WO2002070857B1 - Improved mud motor - Google Patents

Improved mud motor

Info

Publication number
WO2002070857B1
WO2002070857B1 PCT/US2002/006191 US0206191W WO02070857B1 WO 2002070857 B1 WO2002070857 B1 WO 2002070857B1 US 0206191 W US0206191 W US 0206191W WO 02070857 B1 WO02070857 B1 WO 02070857B1
Authority
WO
WIPO (PCT)
Prior art keywords
alloy
drilling motor
stator
rotor
copper
Prior art date
Application number
PCT/US2002/006191
Other languages
French (fr)
Other versions
WO2002070857A1 (en
Inventor
Robert D Bertin
William D Nielsen Jr
Dlane M Ryan
Original Assignee
Brush Wellman
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Brush Wellman filed Critical Brush Wellman
Publication of WO2002070857A1 publication Critical patent/WO2002070857A1/en
Publication of WO2002070857B1 publication Critical patent/WO2002070857B1/en

Links

Classifications

    • 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
    • C22C9/02—Alloys based on copper with tin as the next major constituent
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • 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
    • C22C9/06—Alloys based on copper with nickel or cobalt as the next major constituent
    • 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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/02—Determining slope or direction
    • E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
    • E21B47/0228—Determining slope or direction of the borehole, e.g. using geomagnetism using electromagnetic energy or detectors therefor
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E21B7/068—Deflecting the direction of boreholes drilled by a down-hole drilling motor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S415/00—Rotary kinetic fluid motors or pumps
    • Y10S415/901—Drilled well-type pump

Abstract

An improved mud motor for drilling bore holes in subterranean formations is formed from a non-magnetic alloy containing no more than 0.1 wt. % iron.

Claims

AMENDED CLAIMS[received by the International Bureau on 18 September 2002 (18.09.2002); orginal claims 1-27 replaced by amended claims 1-24 (2 pages)]
1. A fluid-powered drilling motor adapted for drilling bore-holes in subterranean formations, the drilling motor including a rotor and a stator, each of the rotor and stator being formed from a non-magnetic alloy containing no more than 0.1 wt.% iron and exhibiting a corrosion cracking resistance in boiling MgCl2 of greater than 1000 hours, and further wherein the iron content of the drilling motor, as a whole, is no more than 0.1 weight percent based on the entire weight of the drilling motor.
2. The drilling motor of claim 1, wherein the total iron content of the drilling motor, as a whole, is no more than 0.05 weight percent.
3. The drilling motor of claim 1, wherein the alloy has a 0.2% yield strength of at least 100 ksi, an electrical conductivity of at least 6 %IACS and a wear resistance of not more than 100 x 10e"9 cu. in.
4. The drilling motor of claim 3, wherein the alloy is composed of at least about 90 wt.% of a base metal comprising copper, nickel or aluminum plus about 0.05 to about 10 wt.% beryllium.
5. The drilling motor of claim 4, wherein the alloy contains about 0.1 to about 5 wt.% Be.
6. The drilling motor of claim 3, wherein the alloy is a spinodal copper alloy containing about 5 to 16 wt.% Ni and about 5 to 10 wt.% Sn.
7. The drilling motor of claim 6, wherein the alloy is 15Ni-8Sn-Cu or 9Ni-6Sn-Cu.
8. The drilling motor claim 6, wherein the alloy has been derived from a turbocast ingot.
9. The drilling motor of claim 1, wherein the alloy is composed of at least about 90 wt.% of a base metal comprising copper, nickel or aluminum plus about 0.05 to about 10 wt.% beryllium.
10. The drilling motor of claim 9, wherein the alloy contains about 0.1 to about 5 wt.% Be.
11. The drilling motor of claim 1, wherein the alloy is a spinodal copper alloy containing about 5 to 16 wt.% Ni and about 5 to 10 wt.% Sn.
12. The drilling motor of claim 11, wherein the alloy is 15Ni-8Sn-Cu or 9Ni-6Sn-Cu.
13. The drilling motor claim 11, wherein the alloy has been derived from a turbocast ingot.
14. The drilling motor of claim 1, wherein at least one of the stator and rotor is formed from an alloy composed of at least about 90 wt.% of a base metal comprising copper, nickel or aluminum plus about 0.05 to about 10 wt.% beryllium.
15. The drilling motor of claim 14, wherein at least one of the stator and rotor is formed from an alloy composed of at least about 90% Cu and about 0.1 to about 3 wt.% Be.
16. The drilling motor of claim 1, wherein at least one of the stator and rotor is formed from a spinodal copper alloy containing about 5 to 16 wt.%> Ni and 5 to 10 wt.% Sn.
17. A stator for use in a fluid-powered drilling motor adapted for drilling subterranean bore holes, the stator being formed from a non-magnetic alloy containing no more than 0.1 wt.% iron and exhibiting a corrosion cracking resistance in boiling MgCl2 of greater than 1000 hours.
18. The stator of claim 17, wherein the alloy is composed of at least about 90 wt.% of a base metal comprising copper, nickel or aluminum plus about 0.05 to about 10 wt.%> beryllium.
19. The stator of claim 17, wherein the stator is formed from a spinodal copper alloy containing about 5 to 16 wt.% Ni and 5 to 10 wt.% Sn.
20. The stator of claim 19, wherein the alloy has been derived from a turbocast ingot.
21. A rotor for use in a fluid-powered drilling motor adapted for drilling subterranean bore holes, the rotor being formed from a non-magnetic alloy containing no more than 0.1 wt.%> iron and exhibiting a corrosion cracking resistance in boiling MgCl2 of greater than 1000 hours.
22. The rotor of claim 21, wherein the alloy is composed of at least about 90 wt.% of a base metal comprising copper, nickel or aluminum plus about 0.05 to about 10 wt.% beryllium.
23. The rotor of claim 22, wherein the rotor is formed from a spinodal copper alloy containing about 5 to 16 wt.% Ni and 5 to 10 wt.% Sn.
24. The rotor of claim 23, wherein the alloy has been derived from a turbocast ingot.
PCT/US2002/006191 2001-03-01 2002-03-01 Improved mud motor WO2002070857A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/797,336 2001-03-01
US09/797,336 US6527512B2 (en) 2001-03-01 2001-03-01 Mud motor

Publications (2)

Publication Number Publication Date
WO2002070857A1 WO2002070857A1 (en) 2002-09-12
WO2002070857B1 true WO2002070857B1 (en) 2003-02-20

Family

ID=25170553

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/006191 WO2002070857A1 (en) 2001-03-01 2002-03-01 Improved mud motor

Country Status (2)

Country Link
US (1) US6527512B2 (en)
WO (1) WO2002070857A1 (en)

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US7096712B2 (en) * 2003-04-21 2006-08-29 Conocophillips Company Material testing system for turbines
US7168510B2 (en) * 2004-10-27 2007-01-30 Schlumberger Technology Corporation Electrical transmission apparatus through rotating tubular members
CN1325678C (en) * 2005-03-15 2007-07-11 王胜军 Composite metal materials without magnetism and process for making same
US20070011873A1 (en) * 2005-07-14 2007-01-18 Teale David W Methods for producing even wall down-hole power sections
US8960329B2 (en) * 2008-07-11 2015-02-24 Schlumberger Technology Corporation Steerable piloted drill bit, drill system, and method of drilling curved boreholes
US8469104B2 (en) 2009-09-09 2013-06-25 Schlumberger Technology Corporation Valves, bottom hole assemblies, and method of selectively actuating a motor
US8777598B2 (en) 2009-11-13 2014-07-15 Schlumberger Technology Corporation Stators for downwhole motors, methods for fabricating the same, and downhole motors incorporating the same
US9347266B2 (en) 2009-11-13 2016-05-24 Schlumberger Technology Corporation Stator inserts, methods of fabricating the same, and downhole motors incorporating the same
US20110116961A1 (en) * 2009-11-13 2011-05-19 Hossein Akbari Stators for downhole motors, methods for fabricating the same, and downhole motors incorporating the same
US20110226219A1 (en) * 2010-03-17 2011-09-22 Caterpillar Inc. Fuel lubricated pump and common rail fuel system using same
US9309884B2 (en) 2010-11-29 2016-04-12 Schlumberger Technology Corporation Downhole motor or pump components, method of fabrication the same, and downhole motors incorporating the same
US9303304B2 (en) * 2013-03-15 2016-04-05 Materion Corporation Process for the creation of uniform grain size in hot worked spinodal alloy
KR102292610B1 (en) * 2013-04-23 2021-08-24 마테리온 코포레이션 Copper-nickel-tin alloy with high toughness
US10087758B2 (en) 2013-06-05 2018-10-02 Rotoliptic Technologies Incorporated Rotary machine
US9631157B2 (en) * 2013-10-18 2017-04-25 Weatherford Technology Holdings, Llc Cu—Ni—Sn alloy overlay for bearing surfaces on oilfield equipment
US10844671B2 (en) 2014-03-24 2020-11-24 Materion Corporation Low friction and high wear resistant sucker rod string
RU2699482C2 (en) 2014-03-24 2019-09-05 Мэтерион Корпорейшн Drilling component
CN114753779A (en) 2014-06-05 2022-07-15 美题隆公司 Coupling for rod
US10844670B2 (en) 2014-06-05 2020-11-24 Materion Corporation Couplings for well pumping components
US10358913B2 (en) * 2014-12-22 2019-07-23 Schlumberger Technology Corporation Motor MWD device and methods
GB2591927A (en) 2018-09-11 2021-08-11 Rotoliptic Tech Incorporated Helical trochoidal rotary machines
RU200806U1 (en) * 2019-07-09 2020-11-12 Общество с ограниченной ответственностью "Инновационные Буровые Технологии" (ООО "ИнБурТех") Device for drilling directional and horizontal wells
US11815094B2 (en) 2020-03-10 2023-11-14 Rotoliptic Technologies Incorporated Fixed-eccentricity helical trochoidal rotary machines
US11802558B2 (en) 2020-12-30 2023-10-31 Rotoliptic Technologies Incorporated Axial load in helical trochoidal rotary machines

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Also Published As

Publication number Publication date
WO2002070857A1 (en) 2002-09-12
US20020122722A1 (en) 2002-09-05
US6527512B2 (en) 2003-03-04

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