GB0400641D0 - Tool string member with bearings - Google Patents

Tool string member with bearings

Info

Publication number
GB0400641D0
GB0400641D0 GBGB0400641.7A GB0400641A GB0400641D0 GB 0400641 D0 GB0400641 D0 GB 0400641D0 GB 0400641 A GB0400641 A GB 0400641A GB 0400641 D0 GB0400641 D0 GB 0400641D0
Authority
GB
United Kingdom
Prior art keywords
bearings
tool string
string member
tool
string
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.)
Withdrawn
Application number
GBGB0400641.7A
Other versions
GB2396873A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB0400641D0 publication Critical patent/GB0400641D0/en
Publication of GB2396873A publication Critical patent/GB2396873A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/38—Ball cages
    • F16C33/40—Ball cages for multiple rows of balls
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1057—Centralising devices with rollers or with a relatively rotating sleeve
GB0400641A 2001-07-27 2002-07-26 Tool string member with bearings Withdrawn GB2396873A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0118270A GB0118270D0 (en) 2001-07-27 2001-07-27 "Tool string member with bearings"
PCT/GB2002/003435 WO2003012247A1 (en) 2001-07-27 2002-07-26 Tool string member with bearings

Publications (2)

Publication Number Publication Date
GB0400641D0 true GB0400641D0 (en) 2004-02-11
GB2396873A GB2396873A (en) 2004-07-07

Family

ID=9919261

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0118270A Ceased GB0118270D0 (en) 2001-07-27 2001-07-27 "Tool string member with bearings"
GB0400641A Withdrawn GB2396873A (en) 2001-07-27 2002-07-26 Tool string member with bearings

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0118270A Ceased GB0118270D0 (en) 2001-07-27 2001-07-27 "Tool string member with bearings"

Country Status (2)

Country Link
GB (2) GB0118270D0 (en)
WO (1) WO2003012247A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2914103C (en) 2013-06-03 2017-03-07 Evolution Engineering Inc. Mud motor with integrated abrasion-resistant structure

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB271839A (en) * 1926-05-25 1928-03-29 U S Tool Company Improvements relating to the hydraulic rotary system of well drilling
US1877395A (en) * 1928-05-14 1932-09-13 Emsco Derrick & Equip Co Antifriction device for drill pipe
DE1425015A1 (en) * 1963-08-17 1969-01-02 Fischer Brodbeck Gmbh Ball guide, especially axial ball guide for the column frames of punching tools or the like.
DE4025011A1 (en) * 1990-08-07 1992-02-13 Werner Dipl Ing Jacob BALL GUIDE
US5692563A (en) * 1995-09-27 1997-12-02 Western Well Tool, Inc. Tubing friction reducer
CA2202319C (en) * 1997-04-10 2001-05-29 Jim Macphail Roller stabilizer
GB9924114D0 (en) * 1999-10-13 1999-12-15 Its Specialist Drilling Tools Drill pipe
GB0015020D0 (en) * 2000-06-20 2000-08-09 Downhole Products Plc Centraliser

Also Published As

Publication number Publication date
GB0118270D0 (en) 2001-09-19
GB2396873A (en) 2004-07-07
WO2003012247A1 (en) 2003-02-13

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)