US20150191986A1 - Frangible and disintegrable tool and method of removing a tool - Google Patents
Frangible and disintegrable tool and method of removing a tool Download PDFInfo
- Publication number
- US20150191986A1 US20150191986A1 US14/151,134 US201414151134A US2015191986A1 US 20150191986 A1 US20150191986 A1 US 20150191986A1 US 201414151134 A US201414151134 A US 201414151134A US 2015191986 A1 US2015191986 A1 US 2015191986A1
- Authority
- US
- United States
- Prior art keywords
- tool
- plugs
- disintegrable
- frangible
- seals
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
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Classifications
-
- 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
- E21B29/00—Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/1204—Packers; Plugs permanent; drillable
-
- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
Abstract
A frangible and disintegrable tool includes, a body made of a disintegrable material having a plurality of stress risers, the disintegrable material and the plurality of stress risers are configured such that when physically loaded to failure the body will break into a plurality of pieces and a plurality of the plurality of pieces will be substantially similar in size.
Description
- This application contains subject matter related to the subject matter of a co-pending application, which is assigned to the same assignee as this application, Baker Hughes Incorporated of Houston, Tex. and are both being filed on Jan. 9, 2014. The co-pending application is U.S. patent application Attorney Docket No. OMS4-56759 (BAO1178US) entitled DEGRADABLE METAL COMPOSITES, METHODS OF MANUFACTURE, AND USES THEREOF the entire contents of which are hereby incorporated by reference.
- In the subterranean drilling and completion industry there are times when a downhole tool located within a wellbore becomes an unwanted obstruction. Accordingly, downhole tools have been developed that can be deformed, by operator action, for example, such that the tool's presence becomes less burdensome. Although such tools work as intended, their presence, even in a deformed state can still be undesirable. Devices and methods to further remove the burden created by the presence of unnecessary downhole tools are therefore desirable in the art.
- Disclosed herein is a frangible and disintegrable tool. The tool includes, a body made of a disintegrable material having a plurality of stress risers, the disintegrable material and the plurality of stress risers are configured such that when physically loaded to failure the body will break into a plurality of pieces and a plurality of the plurality of pieces will be substantially similar in size.
- Further disclosed herein is a method of removing a tool. The method includes loading the tool, forming a plurality of cracks at stress risers in the tool, storing elastic energy in the material of the tool, and breaking the tool into a plurality of pieces, a plurality of which are similarly sized.
- The following descriptions should not be considered limiting in any way. With reference to the accompanying drawings, like elements are numbered alike:
-
FIG. 1 depicts a perspective view of a frangible and disintegrable tool disclosed herein; -
FIG. 2 depicts a perspective view of an alternate embodiment of a frangible and disintegrable tool disclosed herein; -
FIG. 3 depicts a partial magnified cross sectional view of the disintegrable tool ofFIG. 1 ; and -
FIG. 4 depicts a partial magnified cross sectional view of an alternate embodiment of a disintegrable tool disclosed herein. - A detailed description of one or more embodiments of the disclosed apparatus and method are presented herein by way of exemplification and not limitation with reference to the Figures.
- Referring to
FIGS. 1 and 2 embodiments of frangible and disintegrable tools disclosed herein are illustrated at 10 and 110 respectively. The frangible anddisintegrable tools 10, 110 include, abodies disintegrable material 18 having pluralities ofstress risers material 18 and thestress risers bodies - In the embodiment of
FIG. 1 , thestress risers 22 of thebody 14 are defined by a repeatingpattern 26 ofrecesses 30 that have cross sectional shapes that are ellipses recessed into asurface 34 of thebody 14. Therecesses 30 of the illustrated embodiment have circular cross sectional shapes; however, recesses 30 with cross sectional shapes that are noncircular ellipses could just as well be employed. In alternate embodiments, thestress risers 22 could protrude from thesurface 34 instead of being recessed in thesurface 34 as will be discussed below. - Referring to
FIG. 2 , the frangible anddisintegrable tool 110 is illustrated in a perspective view. Thetool 110 differs from the tool 10 in that thestress risers 122 areprotrusions 130 positioned in a repeatingpattern 126 that protrude from asurface 134 instead of being recessed into thesurface 134 as thestress risers 22 are in the tool 10. Additionally, thestress risers 122 have cross sectional shapes that arerectangles 134 as opposed to thestress risers 22 of the tool 10 that are ellipses. In other embodiments, therecesses 30 or theprotrusions 130 could have cross sectional shapes other than ellipses and rectangles. For example a cross sectional shape could be defined by nearly any two dimensional enclosed shape, including triangles, parallelograms and ovals, to name a few, as well as combinations of such shapes. -
FIG. 3 depicts a magnified partial cross sectional view through thebody 14 that reveals thestress risers 22 in greater detail. The stress risers 22 (being therecesses 30 in this embodiment) includesurfaces 40 that intersect atsharp corners 44 including angles of 90 degrees or less. Thecorners 44 promote nucleation ofmultiple cracks 48 that substantially form simultaneously at a plurality of locations in response to structural loading of the tool 10 prior to breakage of the tool 10. Such loading can be by direct mechanical loading or by hydraulic loading of thebody 14. The foregoing geometric construction of thebody 14 promotes breakage of thebody 14 into multiple pieces with many of the multiple pieces being of substantially similar size. - Additionally, the
disintegrable material 18 from which thebodies bodies material 18 are such that thebodies material 18 will tend to break before thebodies material 18 contributes to this behavior is by storing elastic energy therewithin prior to breaking. This stored elastic energy promotes breakage into a plurality of relatively small pieces as opposed to just two relatively large pieces. Materials that include grains that are surrounded by hard intermetallic layers are good candidates for usage as thedisintegrable material 18. Such hard intermetallic layers can increase a modulus to prevent formation of one major crack and serve as sites of multiple crack nucleation and propagation. Materials disclosed in copending U.S. patent application attorney docket number OMS4-56759 (BAO1178) assigned to the same assignee and filed on the same date as this application, are good candidates for usage as thedisintegrable material 18. - The
material 18, in addition to promoting breakage into a plurality of relative small and similarly sized pieces, also promotes disintegration of the pieces. Such disintegration can by facilitated by exposure to a target environment. One such target environment is in an earth formation borehole such as those drilled in the hydrocarbon recovery and carbon dioxide sequestration industries. Such environments include high temperature, high pressures and caustic fluids. Thematerial 18 can disintegrate itself through expedited galvanic corrosion with implemented microscopic galvanic cells within the material microstructure when contacting natural wellbore brine. In such an embodiment no artificial fluid is necessary in order for thematerial 18 to disintegrate. Tools employable in these industries that can benefit from the embodiments disclosed herein include the flappers illustrated herein as thetools 10, 110. Other possible tools include but are not limited to downhole tools that are a single component, such as, hold down dogs and springs, screen protectors, seal bore protectors, electric submersible pump space out subs, full bore guns, chemical encapsulations, slips, dogs, springs and collet restraints, liner setting sleeves, timing actuation devices, emergency grapple release, chemical encapsulation containers, screen protectors, beaded screen protectors, whipstock lugs, whipstock coatings, pins, set screws, emergency release tools, gas generators, mandrels, release mechanisms, staging collars, C-rings, components of perforating gun systems, disintegrable whipstock for casing exit tools, shear pins, dissolvable body locking rings, mud motor stators, progressive cavity pump stators, shear screws. Or the downhole tool is configured to inhibit flow without being pumpable, such as, seals, high pressure beaded frac screen plugs, screen basepipe plugs, coatings for balls and seats, compression packing elements, expandable packing elements, O-rings, bonded seals, bullet seals, sub-surface safety valve seals, sub-surface safety valve flapper seal, dynamic seals, V-rings, back up rings, drill bit seals, liner port plugs, atmospheric discs, atmospheric chamber discs, debris barriers, drill in stim liner plugs, inflow control device plugs, flappers, seats, ball seats, direct connect disks, drill-in linear disks, gas lift valve plug, fluid loss control flappers, electric submersible pump seals, shear out plugs, flapper valves, gaslift valves, sleeves. Or the downhole tool is configured to inhibit flow and be pumpable, such as, plugs, direct connect plugs, bridge plugs, wiper plugs, frac plugs, components of frac plugs, drill in sand control beaded screen plugs, inflow control device plugs, polymeric plugs, disappearing wiper plugs, cementing plugs, balls, diverter balls, shifting and setting balls, swabbing element protectors, buoyant recorders, pumpable collets, float shoes, and darts. -
FIG. 4 depicts a magnified partial cross sectional view through an alternate embodiment of abody 214 employable in a frangible and disintegrable tool disclosed herein.Faces 220 of thebody 214 can be flat or smooth making the inclusion ofstress risers 222 employed therewithin substantially hidden from view when thebody 214 is viewed externally. Thebody 214 is constructed of twoportions body 214 is concentrated at thestress risers 222. As with thestress risers 22 thestress risers 222 includesurfaces 240 that intersect atsharp corners 244 including but not limited to 90 degree angles. The foregoing geometric construction of thebody 214 promotes breakage of thebody 214 into multiple pieces with many of the multiple pieces being of substantially similar size. - While the invention has been described with reference to an exemplary embodiment or embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed as the best mode contemplated for carrying out this invention, but that the invention will include all embodiments falling within the scope of the claims. Also, in the drawings and the description, there have been disclosed exemplary embodiments of the invention and, although specific terms may have been employed, they are unless otherwise stated used in a generic and descriptive sense only and not for purposes of limitation, the scope of the invention therefore not being so limited. Moreover, the use of the terms first, second, etc. do not denote any order or importance, but rather the terms first, second, etc. are used to distinguish one element from another. Furthermore, the use of the terms a, an, etc. do not denote a limitation of quantity, but rather denote the presence of at least one of the referenced item.
Claims (24)
1. A frangible and disintegrable tool comprising:
a body being made of a disintegrable material having a plurality of stress risers, the disintegrable material and the plurality of stress risers being configured such that when physically loaded to failure the body will break into a plurality of pieces and a plurality of the plurality of pieces will be substantially similar in size.
2. The frangible and disintegrable tool of claim 1 , wherein the plurality of stress risers are oriented in a repeating pattern on the body.
3. The frangible and disintegrable tool of claim 2 , wherein the repeating pattern includes protrusions or recesses from a surface of the body that have at least one repeating cross sectional shape thereof.
4. The frangible and disintegrable tool of claim 3 , wherein the at least one repeating cross sectional shape is selected from the group consisting of triangles, parallelograms, ellipses and combinations of these shapes.
5. The frangible and disintegrable tool of claim 1 , wherein the plurality of stress risers include surfaces that intersect at sharp corners.
6. The frangible and disintegrable tool of claim 5 , wherein the sharp corners include right angles.
7. The frangible and disintegrable tool of claim 1 , wherein the plurality of stress risers facilitate formation of multiple cracks prior to breakage of the body.
8. The frangible and disintegrable tool of claim 1 , wherein the physical loading includes at least one of mechanical and hydraulic loading.
9. The frangible and disintegrable tool of claim 1 , wherein the disintegrable material will break before plastically deforming.
10. The frangible and disintegrable tool of claim 1 , wherein the disintegrable material stores elastic energy therewithin before breaking that promotes breakage into the plurality of pieces.
11. The frangible and disintegrable tool of claim 1 , wherein the disintegrable material includes grains that are surrounded by a hard intermetallic layer.
12. The frangible and disintegrable tool of claim 1 , wherein the body is configured to disintegrate in a target downhole environment.
13. The frangible and disintegrable tool of claim 1 , wherein the body is a portion of a downhole tool selected from the group consisting of seals, high pressure beaded frac screen plugs, screen basepipe plugs, coatings for balls and seats, compression packing elements, expandable packing elements, O-rings, bonded seals, bullet seals, sub-surface safety valve seals, sub-surface safety valve flapper seal, dynamic seals, V-rings, back up rings, drill bit seals, liner port plugs, atmospheric discs, atmospheric chamber discs, debris barriers, drill in stim liner plugs, inflow control device plugs, flappers, seats, ball seats, direct connect disks, drill-in linear disks, gas lift valve plug, fluid loss control flappers, electric submersible pump seals, shear out plugs, flapper valves, gaslift valves, sleeves.
14. The downhole tool of claim 1 , wherein the downhole tool inhibits flow.
15. The downhole tool of claim 14 , wherein the downhole tool is pumpable within a downhole environment and is selected from the group consisting of plugs, direct connect plugs, bridge plugs, wiper plugs, frac plugs, components of frac plugs, drill in sand control beaded screen plugs, inflow control device plugs, polymeric plugs, disappearing wiper plugs, cementing plugs, balls, diverter balls, shifting and setting balls, swabbing element protectors, buoyant recorders, pumpable collets, float shoes, and darts.
16. The downhole tool of claim 14 , wherein the downhole tool is selected from the group consisting of seals, high pressure beaded frac screen plugs, screen basepipe plugs, coatings for balls and seats, compression packing elements, expandable packing elements, O-rings, bonded seals, bullet seals, sub-surface safety valve seals, sub-surface safety valve flapper seal, dynamic seals, V-rings, back up rings, drill bit seals, liner port plugs, atmospheric discs, atmospheric chamber discs, debris barriers, drill in stim liner plugs, inflow control device plugs, flappers, seats, ball seats, direct connect disks, drill-in linear disks, gas lift valve plug, fluid loss control flappers, electric submersible pump seals, shear out plugs, flapper valves, gaslift valves, sleeves.
17. The downhole tool of claim 1 , wherein the body is made of two portions.
18. The downhole tool of claim 1 , wherein the stress risers are substantially hidden from view when the body is viewed externally.
19. A method of removing a tool, comprising:
loading the tool;
forming a plurality of cracks at stress risers in the tool storing elastic energy in the material of the tool; and
breaking the tool into a plurality of pieces, a plurality of which are similarly sized.
20. The method of removing a tool of claim 14 , further comprising disintegrating the plurality of pieces.
21. The method of removing a tool of claim 15 , wherein the disintegrating includes dissolving.
22. The method of removing a tool of claim 14 , further comprising simultaneously forming the plurality of cracks.
23. The method of removing a tool of claim 14 , further comprising forming the plurality of cracks at substantially equal distances from one another.
24. The method of removing a tool of claim 14 , further comprising loading the tool hydraulically or mechanically.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US14/151,134 US20150191986A1 (en) | 2014-01-09 | 2014-01-09 | Frangible and disintegrable tool and method of removing a tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US14/151,134 US20150191986A1 (en) | 2014-01-09 | 2014-01-09 | Frangible and disintegrable tool and method of removing a tool |
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US20150191986A1 true US20150191986A1 (en) | 2015-07-09 |
Family
ID=53494761
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US14/151,134 Abandoned US20150191986A1 (en) | 2014-01-09 | 2014-01-09 | Frangible and disintegrable tool and method of removing a tool |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017223153A1 (en) * | 2016-06-22 | 2017-12-28 | Baker Hughes Incorporated | Component and method |
US10335855B2 (en) * | 2015-09-14 | 2019-07-02 | Baker Hughes, A Ge Company, Llc | Additive manufacturing of functionally gradient degradable tools |
US10807355B2 (en) | 2015-09-14 | 2020-10-20 | Baker Hughes, A Ge Company, Llc | Additive manufacturing of functionally gradient degradable tools |
US11066900B2 (en) | 2017-10-17 | 2021-07-20 | Halliburton Energy Services, Inc. | Removable core wiper plug |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US10335855B2 (en) * | 2015-09-14 | 2019-07-02 | Baker Hughes, A Ge Company, Llc | Additive manufacturing of functionally gradient degradable tools |
US10807355B2 (en) | 2015-09-14 | 2020-10-20 | Baker Hughes, A Ge Company, Llc | Additive manufacturing of functionally gradient degradable tools |
WO2017223153A1 (en) * | 2016-06-22 | 2017-12-28 | Baker Hughes Incorporated | Component and method |
US11066900B2 (en) | 2017-10-17 | 2021-07-20 | Halliburton Energy Services, Inc. | Removable core wiper plug |
US11608707B2 (en) | 2017-10-17 | 2023-03-21 | Halliburton Energy Services, Inc. | Removable core wiper plug |
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