WO2013062536A1 - High-strength, high-hardness binders and drilling tools formed using the same - Google Patents
High-strength, high-hardness binders and drilling tools formed using the same Download PDFInfo
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- WO2013062536A1 WO2013062536A1 PCT/US2011/057830 US2011057830W WO2013062536A1 WO 2013062536 A1 WO2013062536 A1 WO 2013062536A1 US 2011057830 W US2011057830 W US 2011057830W WO 2013062536 A1 WO2013062536 A1 WO 2013062536A1
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- weight
- binder
- recited
- drilling tool
- nickel
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
- B24D3/06—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D99/00—Subject matter not provided for in other groups of this subclass
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C18/00—Alloys based on zinc
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
- C22C29/08—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/02—Alloys containing less than 50% by weight of each constituent containing copper
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/04—Alloys containing less than 50% by weight of each constituent containing tin or lead
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/06—Alloys containing less than 50% by weight of each constituent containing zinc
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/04—Alloys based on copper with zinc as the next major constituent
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C2204/00—End product comprising different layers, coatings or parts of cermet
Definitions
- the present invention generally relates to a high-strength binder material for forming drilling tools and other tools that may be used to drill subterranean formations.
- Drill bits and other earth-boring tools are often used to drill holes in rock and other hard formations for exploration or other purposes.
- the body of these tools is commonly formed of a matrix that contains a powdered hard particulate material, such as tungsten carbide. This material is typically infiltrated with a binder, such as a copper alloy, to bind the hard particulate material together into a solid form.
- the cutting portion of these tools typically includes an abrasive cutting media, such as for example, natural or synthetic diamonds.
- the powdered hard particulate material is placed in a mold of suitable shape.
- the binder is typically placed on top of the powdered hard particulate material.
- the binder and the powdered hard particulate material are then heated in a furnace to a flow or infiltration temperature of the binder so that the binder alloy can bond to the grains of powdered hard particulate material. Infiltration can occur when the molten binder alloy flows through the spaces between the powdered hard particulate material grains by means of capillary action.
- the powdered hard particulate material matrix and the binder form a hard, durable, strong body.
- natural or synthetic diamonds are inserted into the mold prior to heating the matrix/binder mixture, while PDC inserts can be brazed to the finished body.
- compositions of the matrix and binder are often selected to optimize a number of different properties of the finished body. These properties can include transverse rupture strength (TRS), toughness, tensile strength, and hardness.
- TRS transverse rupture strength
- toughness tensile strength
- hardness tensile strength
- One important property of the binder is the binder's infiltration temperature, or the temperature at which molten binder will flow in and around the powdered hard particulate material.
- the chemical stability of the diamonds is inversely related to the duration of heating of the diamonds and the temperature to which the diamonds are heated as the body is formed. Thus, when forming diamond drilling tools, it is desirable to use a binder with a low enough infiltration temperature to avoid diamond degradation.
- Binder alloys with low infiltration temperatures are known in the art; however, such binders often sacrifice one or more of tensile strength, hardness, and other desirable properties at the expense of a lower infiltration temperature.
- many conventional copper-tin alloys have a low infiltration temperature, but also have relatively low tensile strength.
- many conventional copper-zinc- nickel alloys have a low infiltration temperature with a relatively high tensile strength, but also have a relatively low hardness.
- drilling tools may be expensive and their replacement may be time consuming, costly, as well as dangerous.
- the replacement of a drill bit requires removing (or tripping out) the entire drill string from a hole that has been drilled (the borehole). Each section of the drill rod must be sequentially removed from the borehole. Once the drill bit is replaced, the entire drill string must be assembled section by section, and then tripped back into the borehole. Depending on the depth of the hole and the characteristics of the materials being drilled, this process may need to be repeated multiple times for a single borehole.
- the more times a drill bit or other drilling tool needs to be replaced the greater the time and cost required to perform a drilling operation.
- Implementations of the present invention overcome one or more problems in the art with binders with a low-infiltration temperature without sacrificing other desirable physical properties.
- one or more implementations include a nickel-zinc-tin ternary alloy binder with a low infiltration-temperature and relatively high tensile strength and relatively high hardness.
- One or more addition implementations include a copper-nickel-zinc-tin quaternary alloy binder with a low infiltration-temperature and relatively high tensile strength and relatively high hardness.
- Implementations of the present invention also include drilling tools including such binders.
- an implementation of high hardness binder for infiltrating a hard particulate material to form a drilling tool includes about 5 to about 50 weight % of nickel, about 25 to about 60 weight % of zinc, and about 0.5 to about 35 weight % of tin.
- the binder has a liquidus temperature of less than about 1100 degrees Celsius. Additionally, the binder has a hardness between about 75 on the Rockwell Hardness B scale (“HRB”) and about 40 on the Rockwell Hardness C scale (“HRC").
- Another implementation of the present invention includes a body of a drilling tool that comprises a hard particulate material infiltrated with a binder.
- the binder includes about 5 to about 50 weight % of nickel, about 25 to about 60 weight % of zinc, and about 0.5 to about 35 weight % of tin.
- an implementation of a method of forming a drilling tool with increased wear resistance involves providing a matrix comprising a hard particulate material.
- the method also includes positioning a binder proximate the matrix.
- the binder includes about 5 to about 50 weight % of nickel, about 25 to about 60 weight % of zinc, and about 0.5 to about 35 weight % of tin.
- the method further involves infiltrating the matrix with the binder by heating the matrix and binder to a temperature of no greater than about 1200 degrees Celsius.
- Figure 1 illustrates a reaming shell including a binder in accordance with one or more implementations of the present invention
- Figure 2 illustrates a surface-set core drill bit including a binder in accordance with one or more implementations of the present invention
- FIG. 3 illustrates a thermally-stable-diamond (“TSD”) core drill bit including a binder in accordance with one or more implementations of the present invention
- FIG. 4 illustrates a polycrystalline diamond (“PCD”) core drill bit including a binder in accordance with one or more implementations of the present invention
- Figure 5 illustrates a PCD rotary drill bit including a binder in accordance with one or more implementations of the present invention
- Figure 6 illustrates an impregnated core drill bit including a binder in accordance with one or more implementations of the present invention
- Figure 7 illustrates a cross-sectional view of a cutting portion of the impregnated core drill bit of Figure 6 taken along the line 7-7 of Figure 6;
- Figure 8 illustrates a chart of acts and steps in a method of forming a drilling tool using a high-strength, high-hardness binder in accordance with an implementation of the present invention.
- Implementations of the present invention are directed towards binders with a low-infiltration temperature without sacrificing other desirable physical properties.
- one or more implementations include a nickel-zinc-tin ternary alloy binder with a low infiltration-temperature and relatively high tensile strength and relatively high hardness.
- One or more addition implementations include a copper-nickel-zinc-tin quaternary alloy binder with a low infiltration-temperature and relatively high tensile strength and relatively high hardness.
- Implementations of the present invention also include drilling tools including such binders.
- one or more binders of the present invention can have both a high tensile strength and a high hardness, while still having an infiltration temperature suitable for use with natural and synthetic diamonds. Additionally, one or more binders of the present invention include increased wetting abilities for tungsten carbide or other hard particulate materials. The increased wettability of one or more binders of the present invention can reducing processing times and can increase bond strength.
- drilling tools formed with binders of the present invention can have increased drilling performance.
- the increased hardness and/or tensile strength of one or more binders can provide drilling tools with increased wear resistance.
- the increased wear resistance of drilling tools formed using binders of the present invention can increase the drilling life of such drilling tools; thereby, reducing drilling costs.
- One or more binders of the present invention include about 5 to about 50 weight % of nickel, about 25 to about 60 weight % of zinc, and about 0.5 to about 35 weight % of tin.
- the binder can optionally include about 0 to about 60 weight % of copper.
- the binder can comprise a nickel-zinc-tin ternary alloy.
- the binder can comprise a copper-nickel-zinc-tin quaternary alloy.
- the weight % of nickel in the binder can be increased, or otherwise modified, to increase the wetting abilities of the binder to the hard particulate material (e.g., tungsten carbide) and/or diamonds, or otherwise tailor additional properties of the binder.
- the binder can include about 5 weight % of nickel, about 10 weight % of nickel, about 15 weight % of nickel, about 20 weight % of nickel, about 25 weight % of nickel, about 30 weight % of nickel, about 35 weight % of nickel, about 40 weight % of nickel, about 45 weight % of nickel, or about 50 weight % of nickel.
- binders of one or more implementations can include a weight % of nickel in a range between any of the above recited percentages. For instance, one or more implementations can include between about 15 and about 50 weight % of nickel, between about 5 and about 30 weight % of nickel, between about 5 and about 20 weight % of nickel, or between about 10 and about 25 weight % of nickel, etc.
- the weight % of zinc in the binder can be increased, or otherwise modified, to increase the strength and ductility of the binder, or otherwise tailor additional properties of the binder.
- the binder can include about 25 weight % of zinc, about 30 weight % of zinc, about 35 weight % of zinc, about 40 weight % of zinc, about 45 weight % of zinc, about 50 weight % of zinc, about 55 weight % of zinc, or about 60 weight % of zinc.
- binders of one or more implementations can include a weight % of zinc in a range between any of the above recited percentages. For instance, one or more implementations can include between about 30 and about 60 weight % of zinc, between about 35 and about 50 weight % of zinc, between about 30 and about 40 weight % of zinc, or between about 35 and about 45 weight % of zinc, etc.
- the weight % of tin in the binder can be increased, or otherwise modified, to increase the hardness, lower the liquidus temperature, increase the wettability of the binder, or otherwise tailor additional properties of the binder.
- the binder can include about 0.5 weight % of tin, about 1 weight % of tin, about 2 weight % of tin, about 3 weight % of tin, about 4 weight % of tin, about 5 weight % of tin, about 10 weight % of tin, about 15 weight % of tin, about 20 weight % of tin, about 25 weight % of tin, about 30 weight % of tin, or about 35 weight % of tin.
- binders of one or more implementations can include a weight % of tin in a range between any of the above recited percentages. For instance, one or more implementations can include between about 0.5 and about 20 weight % of tin, between about 1 and about 10 weight % of tin, between about 4 and about 15 weight % of tin, or between about 5 and about 10 weight % of tin, etc.
- the binder can optionally include about 0 to about 60 weight % of copper.
- the weight % of copper in the binder can be increased, or otherwise modified, to decrease the liquidus temperature of the binder, or otherwise tailor additional properties of the binder.
- the binder can include about 10 weight % of copper, about 10 weight % of copper, about 15 weight % of copper, about 20 weight % of copper, about 25 weight % of copper, about 30 weight % of copper, about 35 weight % of copper, about 40 weight % of copper, about 45 weight % of copper, about 50 weight % of copper, or about 55 weight % of copper.
- binders of one or more implementations can include a weight % of copper in a range between any of the above recited percentages. For instance, one or more implementations can include between about 15 and about 50 weight % of copper, between about 5 and about 30 weight % of copper, between about 5 and about 20 weight % of copper, or between about 10 and about 25 weight % of copper, etc. In alternative implementations, the binder may not include copper.
- the binder can include additional components other than nickel, zinc, tin, and optionally copper.
- additional components can include additional alloying components, impurities, or tramp elements.
- such additional components can comprise about 0 to about 20 weight % of the binder.
- such additional components can comprise less than about 15 weight % of the binder, less than about 10 weight % of the binder, or less than about 5 weight % of the binder.
- the additional component(s) can include a thermally conductive metal to lower the liquidus temperature of the binder.
- thermally conductive metals can include, for example, silver, gold, or gallium (or mixtures thereof).
- the binder can include between about 0.5 to about 15 weight % silver, gold, or gallium.
- silver, gold, or gallium can significantly raise the cost of the binder.
- the additional component(s) can include further alloying components such as iron, manganese, silicon, boron, or other elements or metals.
- the binder can include minor amounts of various impurities or tramp elements, at least some of which may necessarily be present due to manufacturing and handling processes.
- impurities can include, for example, aluminum, lead, silicon, and phosphorous.
- the composition of the various components can be tailor to provide the binder with desirable properties.
- the binder has a liquidus temperature of less than about 1100 degrees Celsius.
- the binder has a liquidus temperature of less than about 1050 degrees Celsius.
- the binder has a liquidus temperature of less than about 1000 degrees Celsius.
- the binder has a liquidus temperature of less than about 950 degrees Celsius.
- the binder can include a liquidus temperature low enough to ensure that the infiltration temperature of the binder is low enough to avoid diamond degradation.
- binders of one or more implementations of the present invention can have high tensile strength and hardness while maintaining a liquidus temperature that will avoid diamond degradation.
- the binder has a hardness between about 75 HRB and about 40 HRC.
- the binder can have a hardness between about 75 HRB and about 20 HRC.
- the binder can have a hardness between about 80 HRB and about 95 HRB.
- binders of one or more implementations can include a hardness in a range between any of the above recited numbers.
- binders of one or more implementations can also have a tensile strength between about 35 ksi and about 80 ksi, in addition to a liquidus temperatures and hardness as mentioned above.
- the binder can have a tensile strength between about 50 ksi and about 70 ksi.
- the binder can have a tensile strength of between about 55 ksi and about 65 ksi.
- binders of one or more implementations can include a tensile strength in a range between any of the above recited numbers.
- binders of one or more implementations of the present invention that have high tensile strength and hardness while maintaining a liquidus temperature that will avoid diamond degradation can provide significant benefits.
- the high tensile strength and hardness can provide a drilling tool formed with such a binder with increased wear resistance.
- the increase in wear resistance can significantly improve the life of such drilling tools.
- the improved wetting can reduce manufacturing time and provide a stronger bond.
- the binders of the present invention can be tailored to provide the drilling tools of the present invention with several different characteristic that can increase the useful life and/or the drilling efficient of the drilling tools.
- the composition of the binder can be tailored to vary the tensile strength and hardness, and thus, the wear resistance of the drilling tool.
- the wear resistance can be tailored to the amount needed for the particular end use of the drilling tool. This increased properties provided by binders of one or more implementations can also increase the life of a drilling tool, allowing the cutting portion of the tools to wear at a desired pace and improving the rate at which the tool cuts.
- a binder was formed with 42.62 weight % of copper, 10 weight % of nickel, 5 weight % of tin, 42 weight % of zinc, and 0.38 weight % of silicon.
- the binder had a tensile strength of 58.5 ksi, a hardness of HRB 90, and a liquidus temperature of about 926 degrees Celsius. Thus, the binder had both high tensile strength and hardness, while maintaining a liquidus temperature below 950 degrees Celsius.
- the binder was used to create a reamer with improved properties.
- Infiltrated drilling tools of the present invention can be formed from a plurality of abrasive cutting media, a matrix material, and a binder as described above.
- the binder can be configured to tailor the properties of the drilling tools.
- the drilling tools described herein can be used to cut stone, subterranean mineral formations, ceramics, asphalt, concrete, and other hard materials. These drilling tools may include, for example, core sampling drill bits, drag-type drill bits, roller cone drill bits, diamond wire, grinding cups, diamond blades, tuck pointers, crack chasers, reamers, stabilizers, and the like.
- the drilling tools may be any type of earth-boring drill bit (i.e., core sampling drill bit, drag drill bit, roller cone bit, navi-drill, full hole drill, hole saw, hole opener, etc.), and so forth.
- the Figures and corresponding text included hereafter illustrate examples of some drilling tools including bodies infiltrated with binders of the present invention. This has been done for ease of description.
- the systems, methods, and apparatus of the present invention can be used with other drilling tools, such as those mentioned hereinabove.
- Figure 1 illustrates a first drilling tool 100 which can be formed using a binder of one or more implementations of the present invention.
- Figure 1 illustrates a reaming shell 100.
- the reaming shell 100 can include one or more bodies 102 (i.e., pads) formed from a hard particulate material infiltrated with a binder of one or more implementations of the present invention.
- the reaming shell 100 can also include a first or shank portion 104 with a first end 108 that is configured to connect the reaming shell to a component of a drill string.
- the shank portion 108 may be formed from steel, another iron-based alloy, or any other material that exhibits acceptable physical properties.
- the reaming shell 100 a generally annular shape defined by an inner surface 110 and an outer surface 112.
- the reaming shell 100 can define an interior space about its central axis for receiving a core sample. Accordingly, pieces of the material being drilled can pass through the interior space of the reaming shell 100 and up through an attached drill string.
- the reaming shell 100 may be any size, and therefore, may be used to collect core samples of any size. While the reaming shell 100 may have any diameter and may be used to remove and collect core samples with any desired diameter, the diameter of the reaming shell 100 can range in some implementations from about 1 inch to about 12 inches.
- the reaming shell 100 can include raised pads 102 separated by channels.
- the pads 102 can have a spiral configuration.
- the pads 102 can extend axially along the shank 104 and radially around the shank 104.
- the spiral configuration of the pads 102 can provide increased contact with the borehole, increased stability, and reduced vibrations.
- the pads 102 can have a linear instead of a spiral configuration.
- the pads 102 can extend axially along the shank 104.
- the pads 102 can include a tapered leading edge to aid in moving the reaming shell 100 down the borehole.
- the reaming shell 100 may not include pads 102.
- the reaming shell 100 can include broaches instead of pads.
- the broaches can include a plurality of strips. The broaches can reduce the contact of the reaming shell 100 on the borehole, thereby decreasing drag. Furthermore, the broaches can provide for increased water flow, and thus, may be particularly suited for softer formations.
- the body or bodies 102 of the reaming shell 100 whether they be in the form of pads, broaches, or other configuration can be formed from a matrix of hard particulate material, such as for example, a metal.
- the hard particular material may include a powered material, such as for example, a powered metal or alloy, as well as ceramic compounds.
- the hard particulate material can include tungsten carbide.
- tungsten carbide means any material composition that contains chemical compounds of tungsten and carbon, such as, for example, WC, W2C, and combinations of WC and W2C.
- tungsten carbide includes, for example, cast tungsten carbide, sintered tungsten carbide, and macrocrystalline tungsten.
- the hard particulate material can include carbide, tungsten, iron, cobalt, and/or molybdenum and carbides, borides, alloys thereof, or any other suitable material.
- the hard particulate material of the bodies 102 i.e., pads
- the binder can provide the pads 102 with increased wear resistance. Thereby, increasing the life of the reaming shell 100.
- the bodies 102 (i.e., pads) of the reaming shell 100 can include also include a plurality of abrasive cutting media dispersed throughout the hard particulate material.
- the binder can bond to the hard particulate material and the abrasive cutting media to form the bodies 102.
- the binder can provide the pads 102 of the reaming shell 100 with increased wear resistance, while also not degrading any impregnated abrasive cutting media.
- the abrasive cutting media can include one or more of natural diamonds, synthetic diamonds, polycrystalline diamond or thermally stable diamond products, aluminum oxide, silicon carbide, silicon nitride, tungsten carbide, cubic boron nitride, alumina, seeded or unseeded sol-gel alumina, or other suitable materials.
- the abrasive cutting media used in the drilling tools of one or more implementations of the present invention can have any desired characteristic or combination of characteristics.
- the abrasive cutting media can be of any size, shape, grain, quality, grit, concentration, etc.
- the abrasive cutting media can be very small and substantially round in order to leave a smooth finish on the material being cut by the bodies 102.
- the cutting media can be larger to cut aggressively into the material or formation being drill.
- the abrasive cutting media can be dispersed homogeneously or heterogeneously throughout the bodies 102.
- reaming shells 100 are only one type of drilling tool with which binders of the present invention may be used.
- Figures 2-4 illustrates four additional types of drilling tools which can be formed using binders of the present invention.
- Figure 2 illustrates a surface set drill bit 100a
- Figure 3 illustrates a TSD drill bit 100b
- Figure 4 illustrates a PCD drill bit 100c.
- Each of the drilling tools of Figures 3-5 can include a body 102a, 102b, 102c (i.e., bit crowns) comprising a hard particulate material, as described above, infiltrated with a binder in accordance with one or more implementations of the present invention.
- each of the drilling tools 100a, 100b, 100c can include a shank portion 104a, 104b, 104c with a first end 108a, 108b, 108c that is configured to connect the drilling tool 100a, 100b, 100c to a component of a drill string.
- each of the drilling tools 100a, 100b, 100c can have a generally annular shape defined by an inner surface 110a, 100b, 100c and an outer surface 112a, 112b, 112c.
- the drilling tools 100a, 100b, 100c can define an interior space about its central axis for receiving a core sample.
- the crown 102a can be formed from a hard particulate material infiltrated with a binder of one or more implementations as described above. Furthermore, the crown 102a can include a plurality of cutting media 114a.
- the cutting media 114a can comprise one or more of natural diamonds, synthetic diamonds, polycrystalline diamond or thermally stable diamond products, aluminum oxide, silicon carbide, silicon nitride, tungsten carbide, cubic boron nitride, alumina, seeded or unseeded sol-gel alumina, or other suitable materials.
- the binder can bond to the hard particulate material and the abrasive cutting media to form the body 102a.
- the binder can provide the crown 102a with increased wear resistance, while also not degrading any surface set cutting media.
- the annular crowns 102b, 102c can be formed from a hard particulate material infiltrated with a binder of one or more implementations as described above. Furthermore, the crowns 102b, 102c can include a plurality of TSD cutters 114b or PCD cutters 114c, respectively. The TSD cutters 114b or PCD cutters 114c can be brazed or soldered to the crown 102b, 102c using a binder of one or more implementations of the present invention.
- the TSD cutters 114b or PCD cutters 114c can be brazed or soldered to the crown 102b, 102c using another binder, braze, or solder.
- the drilling tools shown and described in relation to Figures 1-4 have been coring drilling tools.
- the binders of the present invention can be used to form other non-coring drilling tools.
- Figure 5 illustrates a drag drill bit lOOd including one or more bodies 102d formed from a hard particulate material infiltrated with a binder of the present invention.
- Figure 5 illustrates a plurality of blades 102d from a hard particulate material infiltrated with a binder of the present invention.
- Each of the blades 102d can include one or more PCD cutters 114d or other cutter brazed or soldered to the blades 102d.
- the drag drill bit lOOd can further include a shank 104d and a first end 108d similar to those described herein above.
- crown 102c and blades 102d shown in Figures 4 and 5 can have an increased drilling life due to the binders of the present invention used to form them. This can allow a driller to replace the cutters 114c, 114d multiple times before having to replace the drill bit 100c, lOOd.
- FIG. 6 and 7 illustrates views of an impregnated, core-sampling drill bit lOOe having a body or crown 102e formed with a binder of the present invention.
- the impregnated, core-sampling drill bit lOOe can include a shank portion 104e with a first end 108e that is configured to connect the impregnated, core-sampling drill bit lOOe to a component of a drill string.
- the impregnated, core-sampling drill bit lOOe can have a generally annular shape defined by an inner surface l lOe and an outer surface 112e.
- the impregnated, core-sampling drill bit lOOe can thus define an interior space about its central axis for receiving a core sample.
- the crown 102 of the impregnated, core- sampling drill bit lOOe can be configured to cut or drill the desired materials during drilling processes.
- the crown 102 of the impregnated, core-sampling drill bit lOOe can include a cutting face 118e.
- the cutting face 118e can include waterways or spaces 120e which divide the cutting face 118e into cutting elements 116e.
- the waterways 120e can allow a drilling fluid or other lubricants to flow across the cutting face 118e to help provide cooling during drilling.
- the construction of the cutting section of an impregnated drilling tool can directly relate to its performance.
- the crown or cutting section of an impregnated drilling tool typically contains diamonds and/or other hard materials distributed within a suitable supporting matrix.
- Metal-matrix composites are commonly used for the supporting matrix material.
- Metal-matrix materials usually include a hard particulate phase with a ductile metallic phase (i.e., binder).
- the hard phase often consists of tungsten carbide and other refractory elements or ceramic compounds.
- the cutting section 116e of the impregnated, core-sampling drill bit lOOe can be made of one or more layers.
- the cutting section 116e can include two layers.
- the cutting section 116e can include a matrix layer 128, which performs the cutting during drilling, and a backing layer or base 130, which connects the matrix layer 128 to the shank portion 104e of the impregnated, core- sampling drill bit lOOe.
- Figure 7 further illustrates that the cutting section or crown 116e of the impregnated, core- sampling drill bit lOOe can comprise a matrix 122 of hard particulate material and a binder of one or more implementations of the present invention.
- the cutting section or crown 116e can also include a plurality of abrasive cutting media 124 dispersed throughout the matrix 122.
- the abrasive cutting media 124 can include one or more of natural diamonds, synthetic diamonds, polycrystalline diamond products (i.e., TSD or PCD), aluminum oxide, silicon carbide, silicon nitride, tungsten carbide, cubic boron nitride, alumina, seeded or unseeded sol-gel alumina, or other suitable materials.
- the abrasive cutting media 124 can be very small and substantially round in order to leave a smooth finish on the material being cut by the core sampling impregnated, core-sampling drill bit lOOe.
- the cutting media 124 can be larger to cut aggressively into the material being cut.
- the abrasive cutting media 124 can be dispersed homogeneously or heterogeneously throughout the cutting section 116e. As well, the abrasive cutting media 124 can be aligned in a particular manner so that the drilling properties of the cutting media 124 are presented in an advantageous position with respect to the cutting section 116e of the impregnated, core-sampling drill bit lOOe. Similarly, the abrasive cutting media 124 can be contained in the in a variety of densities as desired for a particular use.
- the cutting section 116e can include a plurality of elongated structures 126 dispersed throughout the matrix 122.
- the addition of elongated structures 126 can be used to tailor the properties of the cutting section structures 126 can be added to the matrix 122 material to interrupt crack propagation, and thus, increase the tensile strength and decrease the erosion rate of the matrix 122.
- the addition of elongated structures 126 may also weaken the structure of the cutting section 116e by at least partially preventing the bonding and consolidation of some of the abrasive cutting media 124 and hard particulate material of the matrix 122 by the binder.
- the addition of elongated structures 126 can help reduce the effective strength of the binder to ensure that the crown 102e will erode and expose additional abrasive cutting media 124, while also retaining the increased wear resistance associated with the increased hardness of the binder
- both the elongated structures 126 and the cutting media 124 can be dispersed within the matrix 122 between the cutting face 118e and the base 130.
- the matrix 122 can be configured to erode and expose cutting media 124 and elongated structures 126 initially located between the cutting face 118e and the base 130 during drilling. The continual expose of new cutting media 124 can help maintain a sharp cutting face 118e.
- Exposure of new elongated structures 126 can help reduce frictional heating of the drilling tool. For example, once the elongated structures 126 are released from the matrix 122 drilling they can provide cooling effects to the cutting face 118e to reduce friction and associated heat. Thus, the elongated structures 126 can allow for tailoring of the cutting section 116e to reduce friction and increase the lubrication at the interface between the cutting portion and the surface being cut, allowing easier drilling. This increased lubrication may also reduce the amount of drilling fluid additives (such as drilling muds, polymers, bentonites, etc.). that are needed, reducing the cost as well as the environmental impact that can be associated with using drilling tools.
- drilling fluid additives such as drilling muds, polymers, bentonites, etc.
- the elongated structures 126 can be formed from carbon, metal (e.g., tungsten, tungsten carbide, iron, molybdenum, cobalt, or combinations thereof), glass, polymeric material (e.g., Kevlar), ceramic materials (e.g., silicon carbide), coated fibers, and/or the like. Furthermore, the elongated structures 126 can optionally be coated with one or more additional material(s) before being included in the drilling tool. Such coatings can be used for any performance-enhancing purpose. For example, a coating can be used to help retain elongated structures 126 in the drilling tool.
- a coating can be used to increase lubricity near the drilling face of a drilling tool as the coating erodes away and forms a fine particulate material that acts to reduce friction.
- a coating can act as an abrasive material and thereby be used to aid in the drilling process.
- any known material can be used to coat the elongated structures 126.
- any desired metal, ceramic, polymer, glass, sizing, wetting agent, flux, or other substance could be used to coat the elongated structures 126.
- carbon elongated structures 126 are coated with a metal, such as iron, titanium, nickel, copper, molybdenum, lead, tungsten, aluminum, chromium, or combinations thereof.
- carbon elongated structures 126 can be coated with a ceramic material, such as SiC, SiO, Si02, or the like.
- the coating material can cover any portion of the elongated structures 126 and can be of any desired thickness. Accordingly, a coating material can be applied to the elongated structures 126 in any manner known in the art. For example, the coating can be applied to elongated structures 126 through spraying, brushing, electroplating, immersion, physical vapor deposition, or chemical vapor deposition.
- the elongated structures 126 can also be of varying combination or types. Examples of the types of elongated structures 126 include chopped, milled, braided, woven, grouped, wound, or tows. In one or more implementations of the present invention, such as when the drilling tool comprises a core sampling impregnated, core-sampling drill bit lOOe, the elongated structures 126 can contain a mixture of chopped and milled fibers. In alternative implementations, the drilling tool can contain one type of elongated structure 126. In yet additional implementations, however, the drilling tool can contain multiple types of elongated structures 126. In such instances, where a drilling tool contains more than one type of elongated structures 126, any combination of type, quality, size, shape, grade, coating, and/or characteristic of elongated structures 126 can be used.
- the elongated structures 126 can be found in any desired concentration in the drilling tool.
- the cutting section 116e of a drilling tool 20 can have a very high concentration of elongated structures 126, a very low concentration of fibers, or any concentration in between.
- the drilling tool can contain elongated structures 126 ranging from about 0.1 to about 25 % by weight.
- the crown 102e can comprise between about 1% and about 15% addition by weight of elongated structures.
- the crown 102e can comprise about 3%, 4%, 5%, 6%, 7%, 8%, 9% or 10% addition by weight of elongated structures.
- the amount of elongated structures 126 can be adjusted to ensure that the cutting section erodes at a proper and consistent rate.
- the cutting portion can be configured to ensure that it erodes and exposes new abrasive cutting media during the drilling process.
- the cutting section 116e may be custom-engineered to possess optimal characteristics for drilling specific materials by varying the strength of the binder and/or concentration of the elongated structures 126.
- a hard, abrasion resistant matrix may be made to drill soft, abrasive, unconsolidated formations, while a soft ductile matrix may be made to drill an extremely hard, non-abrasive, consolidated formation.
- the bit matrix hardness may be matched to particular formations, allowing the cutting section 22 to erode at a controlled, desired rate.
- elongated structures 126 can be homogenously dispersed throughout the cutting section 116e. In other implementations, however, the concentration of elongated structures 126 can vary throughout the cutting section 116e, as desired.
- the elongated structures 126 can be located in the cutting section 116e of a drilling tool in any desired orientation or alignment. In one or more implementations, the elongated structures 126 can run roughly parallel to each other in any desired direction.
- Figure 7 illustrates that, in other implementations, the elongated structures 126 can be randomly configured and can thereby be oriented in practically any or multiple directions relative to each other.
- the elongated structures 126 can be of any size or combination of sizes, including mixtures of different sizes.
- elongated structures 126 can be of any length and have any desired diameter.
- the elongated structures 126 can be nano-sized. In other words a diameter of the elongated structures 126 can be between about 1 nanometer and about 100 nanometers.
- the elongated structures 126 can be micro-sized. In other words, diameter of the elongated structures 126 can be between about 1 micrometer and about 100 micrometer. In yet additional implementations, the diameter of the elongated structures 126 can be between about less than about 1 nanometer or greater than about 100 micrometers.
- the elongated structures 126 can have a length between about 1 nanometer and about 25 millimeters. In any event, the elongated structures 126 can have a length to diameter ratio between about 2 to 1 and about 500,000 to 1. More particularly, the elongated structures 126 can have a length to diameter ratio between about 10 to 1 and about 50 to 1.
- Implementations of the present invention also include methods of forming impregnated drill bits including high strength, high hardness binders.
- the following describes at least one method of forming drilling tools with binders of the present invention.
- binders of the present invention.
- Figure 8 illustrates a flowchart of one exemplary method for producing a drilling tool using binders of the present invention.
- the acts of Figure 8 are described below with reference to the components and diagrams of Figures 1 through 7.
- the term "infiltration” or “infiltrating” as used herein involves melting a binder material and causing the molten binder to penetrate into and fill the spaces or pores of a matrix. Upon cooling, the binder can solidify, binding the particles of the matrix together.
- the term “sintering” as used herein means the removal of at least a portion of the pores between the particles (which can be accompanied by shrinkage) combined with coalescence and bonding between adjacent particles.
- Figure 8 shows that a method of forming a drilling tool 100-lOOe can comprise an act 801 of providing or preparing a matrix 122.
- the method can involve preparing a matrix of hard particulate material.
- the method can comprise preparing a matrix of a powered material, such as for example tungsten carbide.
- the matrix can comprise one or more of the previously described hard particulate materials.
- the method can include placing the matrix in a mold.
- the mold can be formed from a material that is able to withstand the heat to which the matrix 122 will be subjected to during a heating process.
- the mold may be formed from carbon or graphite.
- the mold can be shaped to form a drill bit having desired features.
- the mold can correspond to a core drill bit.
- the method can optionally comprise an act of dispersing a plurality of abrasive cutting media 124 and/or elongated structures 126 throughout at least a portion the matrix. Additionally, the method can involve dispersing the abrasive cutting media 124 and/or elongated structures 126 randomly or in an unorganized arrangement throughout the matrix 122.
- Figure 8 further illustrates that the method can involve an act 802 if positioning a binder proximate the matrix.
- the method can involve placing a binder as described hereinabove on top of the matrix 122 once it is positioned in a mold.
- the hard particulate material can comprise between about 25% and about 85% by weight of the body 102-102e. More particularly, the hard particulate material can comprise between about 25% and about 85% by weight of the body 102-102e.
- a body 102-102e of one or more implementations of the present invention can include between about 25% and 60% by weight of tungsten, between about 0% and about 4% by weight of silicon carbide, and between about 0% and about 4% by weight of tungsten carbide.
- the elongated structures can comprise between about 0% and 25% by weight of the body 102-102e. More particularly, the elongated structures can comprises between about 1% and about 15% by weight of the body 102-102e.
- a body 102- 102e of one or more implementations of the present invention can include between about 3% and about 6% by weight of carbon nanotubes.
- the cutting media can comprise between about 0% and about 25% by weight of the body 102-102e. More particularly, the cutting media can comprise between about 5% and 15% by weight of the body 102-102e.
- a body 102-102e of one or more implementations of the present invention can include between about 5% and about 12.5% by weight of diamond crystals.
- the method can comprise an act 803 of infiltrating the matrix with the binder.
- the method can include heating the matrix 122, cutting media 124, elongated structures 122, and the binder to a temperature of at least the liquidus temperature of the binder.
- the binder can cool thereby bonding to the matrix 122, cutting media 124, elongated structures 126, together.
- the binder can comprise between about 15% and about 55% by weight of the body 102-102e. More particularly, the binder can comprise between about 20% and about 45% by weight of the body 102-102e.
- the time and/or temperature of the infiltration process can be increased to allow the binder to fill-up a greater number and greater amount of the pores of the matrix. This can both reduce the shrinkage during infiltration, and increase the strength of the resulting drilling tool.
- the method can comprise an act of securing a shank 104 to the matrix 122 (or body 102-102e).
- the method can include placing a shank 104 in contact with the matrix 122.
- a backing layer 130 of additional matrix, binder material, and/or flux may then be added and placed in contact with the matrix 122 as well as the shank 104 to complete initial preparation of a green drill bit.
- the green drill bit Once the green drill bit has been formed, it can be placed in a furnace to thereby consolidate the drill bit.
- the first and second sections can be mated in a secondary process such as by brazing, welding, or adhesive bonding.
- additional cutters can be brazed or otherwise attached to the drill bit. Thereafter, the drill bit can be finished through machine processes as desired.
- one or more methods of the present invention can include sintering the matrix 122 to a desired density.
- sintering involves densification and removal of porosity within a structure
- the structure being sintered can shrink during the sintering process.
- a structure can experience linear shrinkage of between 1% and 40% during sintering.
- the schematics and methods described herein provide a number of unique products that can be effective for drilling through both soft and hard formations. Additionally, such products can have an increased drilling penetration rate due to the relatively large abrasive cutting media. Furthermore, as the relatively large abrasive cutting media can be dispersed throughout the crown, new relatively large abrasive cutting media can be continually exposed during the drilling life of the impregnated drill bit.
- the impregnated drill bits of one or more implementations of the present invention can include one or more enclosed fluid slots, such as the enclosed fluid slots described in U.S. Patent Application No. 11/610,680, filed December 14, 2006, entitled “Core Drill Bit with Extended Crown Longitudinal dimension,” now U.S. Patent No. 7,628,228, the content of which is hereby incorporated herein by reference in its entirety.
- the impregnated drill bits of one or more implementations of the present invention can include one or more tapered waterways, such as the tapered waterways described in U.S. Patent Application No.
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201180074402.0A CN103917733B (en) | 2011-10-25 | 2011-10-26 | For infiltrating hard particles material to form the high rigidity bonding agent of boring bar tool, the main body of boring bar tool and for the formation of the method for boring bar tool of abrasion resistance with increase |
ES11874767.4T ES2609956T3 (en) | 2011-10-25 | 2011-10-26 | Binding agents of high strength and high hardness and drilling tools formed by the use thereof |
BR112012002312A BR112012002312A2 (en) | 2011-10-25 | 2011-10-26 | high hardness binder, body of a drilling tool, and method for forming a drilling tool with increased wear resistance |
CA2784916A CA2784916C (en) | 2011-10-25 | 2011-10-26 | High-strength, high-hardness binders and drilling tools formed using the same |
AU2011379964A AU2011379964B2 (en) | 2011-10-25 | 2011-10-26 | High-strength, high-hardness binders and drilling tools formed using the same |
EP11874767.4A EP2771533B1 (en) | 2011-10-25 | 2011-10-26 | High-strength, high-hardness binders and drilling tools formed using the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US13/280,977 US20130098691A1 (en) | 2011-10-25 | 2011-10-25 | High-strength, high-hardness binders and drilling tools formed using the same |
US13/280,977 | 2011-10-25 |
Publications (1)
Publication Number | Publication Date |
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WO2013062536A1 true WO2013062536A1 (en) | 2013-05-02 |
Family
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PCT/US2011/057830 WO2013062536A1 (en) | 2011-10-25 | 2011-10-26 | High-strength, high-hardness binders and drilling tools formed using the same |
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Country | Link |
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US (2) | US20130098691A1 (en) |
EP (1) | EP2771533B1 (en) |
CN (1) | CN103917733B (en) |
AU (1) | AU2011379964B2 (en) |
BR (1) | BR112012002312A2 (en) |
CA (1) | CA2784916C (en) |
CL (1) | CL2012001849A1 (en) |
ES (1) | ES2609956T3 (en) |
PE (1) | PE20121277A1 (en) |
WO (1) | WO2013062536A1 (en) |
Cited By (1)
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US9446503B2 (en) | 2011-10-25 | 2016-09-20 | Longyear Tm, Inc. | High-strength, high-hardness binders and drilling tools formed using the same |
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PE20171462A1 (en) * | 2015-01-12 | 2017-10-11 | Longyear Tm Inc | DRILLING TOOLS HAVING DIES WITH CARBIDE-FORMING ALLOYS AND METHODS TO MAKE THEM AND USE THEM |
WO2017007471A1 (en) * | 2015-07-08 | 2017-01-12 | Halliburton Energy Services, Inc. | Polycrystalline diamond compact with fiber-reinforced substrate |
CN105018780B (en) * | 2015-07-21 | 2017-01-25 | 吉林大学 | Hard-phase-free matrix formula and manufacturing method for diamond-impregnated bit |
CN105779850B (en) * | 2016-03-08 | 2017-11-17 | 江苏科技大学 | A kind of preparation method of strong diamond-impregnated bit carcass and drill bit |
CN105755349B (en) * | 2016-03-08 | 2017-11-17 | 江苏科技大学 | A kind of preparation method of weak diamond-impregnated bit carcass and drill bit |
CN105604490B (en) * | 2016-03-08 | 2017-12-26 | 江苏科技大学 | A kind of preparation method of high-performance diamond-impregnated bit carcass and drill bit |
USD803285S1 (en) * | 2016-12-29 | 2017-11-21 | Brian O'Barr | Drill bit for deburring conduit |
CA3103517C (en) * | 2017-08-04 | 2023-01-03 | Bly Ip Inc. | Diamond bodies and tools for gripping drill rods |
CN108942705B (en) * | 2018-07-25 | 2020-06-23 | 宁夏兴凯硅业有限公司 | Preparation method of stable ceramic binder material |
EP3670050A1 (en) * | 2018-12-21 | 2020-06-24 | Hilti Aktiengesellschaft | Processing segment for a machining tool |
CN109913679B (en) * | 2019-04-15 | 2020-12-01 | 吉林大学 | Low-temperature matrix impregnating material of rock cutting tool and preparation method thereof |
CN110449588B (en) * | 2019-07-31 | 2021-09-21 | 泉州众志金刚石工具有限公司 | Long-life marble cutter head matrix and cutter head manufacturing method |
CN110643880B (en) * | 2019-11-07 | 2020-11-13 | 广东省材料与加工研究所 | Drill bit matrix material and preparation method thereof |
CN111270120B (en) * | 2020-03-25 | 2021-12-14 | 西安工程大学 | Preparation method of diamond particle reinforced composite cutter material for cutting stone |
CN113913645B (en) * | 2020-07-07 | 2022-07-22 | 中国石油化工股份有限公司 | Composition and impregnated block wear part prepared from same |
CN114182136B (en) * | 2022-01-24 | 2022-05-03 | 中机智能装备创新研究院(宁波)有限公司 | Copper-aluminum prealloy, preparation method and diamond tool |
CN114799176B (en) * | 2022-04-11 | 2023-07-21 | 中国地质科学院探矿工艺研究所 | Die for pressureless sintering diamond reamer of intermediate frequency furnace |
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- 2011-10-26 CN CN201180074402.0A patent/CN103917733B/en not_active Expired - Fee Related
- 2011-10-26 CA CA2784916A patent/CA2784916C/en active Active
- 2011-10-26 PE PE2012000077A patent/PE20121277A1/en active IP Right Grant
- 2011-10-26 ES ES11874767.4T patent/ES2609956T3/en active Active
- 2011-10-26 BR BR112012002312A patent/BR112012002312A2/en not_active IP Right Cessation
- 2011-10-26 AU AU2011379964A patent/AU2011379964B2/en active Active
- 2011-10-26 EP EP11874767.4A patent/EP2771533B1/en not_active Not-in-force
- 2011-10-26 WO PCT/US2011/057830 patent/WO2013062536A1/en active Application Filing
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Also Published As
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PE20121277A1 (en) | 2012-10-08 |
US20150089882A1 (en) | 2015-04-02 |
BR112012002312A2 (en) | 2016-05-31 |
CA2784916C (en) | 2016-05-31 |
EP2771533A1 (en) | 2014-09-03 |
US20130098691A1 (en) | 2013-04-25 |
ES2609956T3 (en) | 2017-04-25 |
EP2771533A4 (en) | 2015-05-27 |
CL2012001849A1 (en) | 2013-11-08 |
CA2784916A1 (en) | 2013-04-25 |
AU2011379964B2 (en) | 2016-07-14 |
CN103917733B (en) | 2016-01-20 |
AU2011379964A1 (en) | 2014-05-08 |
US9446503B2 (en) | 2016-09-20 |
EP2771533B1 (en) | 2016-10-05 |
CN103917733A (en) | 2014-07-09 |
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