GB2361499B - Drill pipe protector assembly - Google Patents

Drill pipe protector assembly

Info

Publication number
GB2361499B
GB2361499B GB0116876A GB0116876A GB2361499B GB 2361499 B GB2361499 B GB 2361499B GB 0116876 A GB0116876 A GB 0116876A GB 0116876 A GB0116876 A GB 0116876A GB 2361499 B GB2361499 B GB 2361499B
Authority
GB
United Kingdom
Prior art keywords
drill pipe
protector assembly
pipe protector
assembly
drill
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
GB0116876A
Other versions
GB2361499A (en
GB0116876D0 (en
Inventor
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 US09/473,782 external-priority patent/US6250405B1/en
Application filed by WWT International Inc filed Critical WWT International Inc
Publication of GB0116876D0 publication Critical patent/GB0116876D0/en
Publication of GB2361499A publication Critical patent/GB2361499A/en
Application granted granted Critical
Publication of GB2361499B publication Critical patent/GB2361499B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • 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
    • E21B17/1007—Wear protectors; Centralising devices, e.g. stabilisers for the internal surface of a pipe, e.g. wear bushings for underwater well-heads
    • 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
    • E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/0078—Nozzles used in boreholes
GB0116876A 1999-01-06 2000-01-06 Drill pipe protector assembly Expired - Lifetime GB2361499B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11487599P 1999-01-06 1999-01-06
US09/473,782 US6250405B1 (en) 1999-01-06 1999-12-29 Drill pipe protector assembly
GB0026753A GB2353549B (en) 1999-01-06 2000-01-06 Underground drilling system and drill pipe protector

Publications (3)

Publication Number Publication Date
GB0116876D0 GB0116876D0 (en) 2001-09-05
GB2361499A GB2361499A (en) 2001-10-24
GB2361499B true GB2361499B (en) 2002-09-18

Family

ID=27255958

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0116876A Expired - Lifetime GB2361499B (en) 1999-01-06 2000-01-06 Drill pipe protector assembly
GB0116875A Expired - Lifetime GB2361498B (en) 1999-01-06 2000-01-06 Drill pipe protector assembly

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0116875A Expired - Lifetime GB2361498B (en) 1999-01-06 2000-01-06 Drill pipe protector assembly

Country Status (1)

Country Link
GB (2) GB2361499B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6739415B2 (en) * 1999-01-06 2004-05-25 Western Well Tool, Inc. Drill pipe protector
AU2006201232B2 (en) * 2003-04-04 2007-05-03 Western Well Tool, Inc. Drill pipe protector
AU2005252641B2 (en) * 2004-06-02 2010-10-14 Baker Hughes Incorporated Erosion resistant aperture for a downhole valve or ported flow control tool
GB0505163D0 (en) * 2005-03-14 2005-04-20 Stewart Arthur Downhole apparatus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4984633A (en) * 1989-10-20 1991-01-15 Weatherford U.S., Inc. Nozzle effect protectors, centralizers, and stabilizers and related methods

Also Published As

Publication number Publication date
GB2361498A (en) 2001-10-24
GB2361499A (en) 2001-10-24
GB2361498B (en) 2002-10-16
GB0116876D0 (en) 2001-09-05
GB0116875D0 (en) 2001-09-05

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Legal Events

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

Expiry date: 20200105