GB2409483B - Drill pipe protector - Google Patents

Drill pipe protector

Info

Publication number
GB2409483B
GB2409483B GB0505922A GB0505922A GB2409483B GB 2409483 B GB2409483 B GB 2409483B GB 0505922 A GB0505922 A GB 0505922A GB 0505922 A GB0505922 A GB 0505922A GB 2409483 B GB2409483 B GB 2409483B
Authority
GB
United Kingdom
Prior art keywords
drill pipe
pipe protector
protector
drill
pipe
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.)
Expired - Lifetime
Application number
GB0505922A
Other versions
GB2409483A (en
GB0505922D0 (en
Inventor
Brian Mitchell
Norman Bruce Moore
Andrew Dale Fuller
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.)
WWT International Inc
Original Assignee
WWT International Inc
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
Priority claimed from US10/407,093 external-priority patent/US6739415B2/en
Application filed by WWT International Inc filed Critical WWT International Inc
Publication of GB0505922D0 publication Critical patent/GB0505922D0/en
Publication of GB2409483A publication Critical patent/GB2409483A/en
Application granted granted Critical
Publication of GB2409483B publication Critical patent/GB2409483B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK 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
    • E21B17/1042—Elastomer protector or centering means
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK 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
    • E21B17/1064—Pipes or rods with a relatively rotating sleeve

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
GB0505922A 2003-04-04 2004-03-23 Drill pipe protector Expired - Lifetime GB2409483B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/407,093 US6739415B2 (en) 1999-01-06 2003-04-04 Drill pipe protector
GB0406477A GB2400124B (en) 2003-04-04 2004-03-23 Drill pipe protector

Publications (3)

Publication Number Publication Date
GB0505922D0 GB0505922D0 (en) 2005-04-27
GB2409483A GB2409483A (en) 2005-06-29
GB2409483B true GB2409483B (en) 2005-11-30

Family

ID=34655239

Family Applications (3)

Application Number Title Priority Date Filing Date
GB0505923A Expired - Lifetime GB2409484B (en) 2003-04-04 2004-03-23 Drill pipe protector
GB0505920A Expired - Lifetime GB2409482B (en) 2003-04-04 2004-03-23 Drill pipe protector
GB0505922A Expired - Lifetime GB2409483B (en) 2003-04-04 2004-03-23 Drill pipe protector

Family Applications Before (2)

Application Number Title Priority Date Filing Date
GB0505923A Expired - Lifetime GB2409484B (en) 2003-04-04 2004-03-23 Drill pipe protector
GB0505920A Expired - Lifetime GB2409482B (en) 2003-04-04 2004-03-23 Drill pipe protector

Country Status (1)

Country Link
GB (3) GB2409484B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013120192A1 (en) * 2012-02-19 2013-08-22 Top-Co Inc. Casing centralizing device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5465759A (en) * 1994-03-22 1995-11-14 Hydril Company Variable diameter pipe protector
US6250405B1 (en) * 1999-01-06 2001-06-26 Western Well Tool, Inc. Drill pipe protector assembly

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3938853A (en) * 1974-05-01 1976-02-17 Christensen Diamond Products Company Shrink-fit sleeve apparatus for drill strings
US4436118A (en) * 1977-07-25 1984-03-13 Smith International, Inc. Sleeved drill pipe
DE2812181A1 (en) * 1978-03-20 1979-09-27 Niemeyer Gmbh H PROTECTIVE SOCKET FOR DRILL RODS FOR THE DEVELOPMENT OF DEEP DRILLINGS IN THE SOIL FOR THE EXTRACTION OF OIL, NATURAL GAS OR THE LIKE.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5465759A (en) * 1994-03-22 1995-11-14 Hydril Company Variable diameter pipe protector
US6250405B1 (en) * 1999-01-06 2001-06-26 Western Well Tool, Inc. Drill pipe protector assembly

Also Published As

Publication number Publication date
GB2409482B (en) 2005-11-30
GB0505920D0 (en) 2005-04-27
GB0505923D0 (en) 2005-04-27
GB2409483A (en) 2005-06-29
GB2409484B (en) 2005-11-30
GB2409484A (en) 2005-06-29
GB0505922D0 (en) 2005-04-27
GB2409482A (en) 2005-06-29

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20240322