GB2424234B - Downhole apparatus - Google Patents

Downhole apparatus

Info

Publication number
GB2424234B
GB2424234B GB0605092A GB0605092A GB2424234B GB 2424234 B GB2424234 B GB 2424234B GB 0605092 A GB0605092 A GB 0605092A GB 0605092 A GB0605092 A GB 0605092A GB 2424234 B GB2424234 B GB 2424234B
Authority
GB
United Kingdom
Prior art keywords
downhole apparatus
downhole
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 - Fee Related
Application number
GB0605092A
Other versions
GB2424234A (en
GB0605092D0 (en
Inventor
Arthur Stewart
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.)
Stable Services Ltd
Original Assignee
Stable Services Ltd
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 to GBGB0505163.6A priority Critical patent/GB0505163D0/en
Priority claimed from GB0505183A external-priority patent/GB0505183D0/en
Application filed by Stable Services Ltd filed Critical Stable Services Ltd
Priority to PCT/GB2006/000899 priority patent/WO2006097706A1/en
Priority to GB0808075A priority patent/GB2446085B/en
Priority to GB0605092A priority patent/GB2424234B/en
Publication of GB0605092D0 publication Critical patent/GB0605092D0/en
Publication of GB2424234A publication Critical patent/GB2424234A/en
Application granted granted Critical
Publication of GB2424234B publication Critical patent/GB2424234B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • 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
    • E21B10/00—Drill bits
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • 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
    • 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
    • E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
    • 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
    • E21B17/14—Casing shoes for the protection of the bottom of the casing
    • 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
    • E21B37/00—Methods or apparatus for cleaning boreholes or wells
    • 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
    • E21B37/00—Methods or apparatus for cleaning boreholes or wells
    • E21B37/02—Scrapers specially adapted therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
GB0605092A 2005-03-14 2006-03-14 Downhole apparatus Expired - Fee Related GB2424234B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GBGB0505163.6A GB0505163D0 (en) 2005-03-14 2005-03-14 Downhole apparatus
PCT/GB2006/000899 WO2006097706A1 (en) 2005-03-14 2006-03-14 Downhole apparatus
GB0808075A GB2446085B (en) 2005-03-14 2006-03-14 Downhole apparatus
GB0605092A GB2424234B (en) 2005-03-14 2006-03-14 Downhole apparatus

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US66155805P 2005-03-14 2005-03-14
GB0505183A GB0505183D0 (en) 2005-03-14 2005-03-14 Furniture
GBGB0505163.6A GB0505163D0 (en) 2005-03-14 2005-03-14 Downhole apparatus
GB0605092A GB2424234B (en) 2005-03-14 2006-03-14 Downhole apparatus

Publications (3)

Publication Number Publication Date
GB0605092D0 GB0605092D0 (en) 2006-04-26
GB2424234A GB2424234A (en) 2006-09-20
GB2424234B true GB2424234B (en) 2008-10-15

Family

ID=42173631

Family Applications (3)

Application Number Title Priority Date Filing Date
GBGB0505163.6A Ceased GB0505163D0 (en) 2005-03-14 2005-03-14 Downhole apparatus
GB0808075A Expired - Fee Related GB2446085B (en) 2005-03-14 2006-03-14 Downhole apparatus
GB0605092A Expired - Fee Related GB2424234B (en) 2005-03-14 2006-03-14 Downhole apparatus

Family Applications Before (2)

Application Number Title Priority Date Filing Date
GBGB0505163.6A Ceased GB0505163D0 (en) 2005-03-14 2005-03-14 Downhole apparatus
GB0808075A Expired - Fee Related GB2446085B (en) 2005-03-14 2006-03-14 Downhole apparatus

Country Status (2)

Country Link
GB (3) GB0505163D0 (en)
WO (1) WO2006097706A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2682630A1 (en) * 2009-10-14 2011-04-14 Norman Prokopchuk Drill pipe with threaded extensions
PL3141688T3 (en) * 2015-09-14 2021-01-25 European Drilling Projects B.V. Monolithic blade stabiliser tool for drill string
CN109236204B (en) * 2018-10-11 2020-11-24 合肥驰峰机械有限公司 Double-channel oil production pipe column

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2247564A (en) * 1938-07-18 1941-07-01 Percy R Turner Coupling protector
GB2164372A (en) * 1984-09-13 1986-03-19 Metal X Corp Of Texas Drill string stabilizer
WO1987002409A1 (en) * 1985-10-08 1987-04-23 Shell Offshore Inc. Turbulence cementing sub
GB2361498A (en) * 1999-01-06 2001-10-24 Western Well Tool Inc Drill pipe protector assembly
US20030075364A1 (en) * 1999-12-09 2003-04-24 Mike Wardley Reamer shoe
US6666267B1 (en) * 1997-11-15 2003-12-23 Brunel Oilfield Services (Uk) Limited Downhole tools
EP1650400A1 (en) * 2004-10-20 2006-04-26 European Drilling Projects B.V. Drill string stabiliser

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4467879A (en) * 1982-03-29 1984-08-28 Richard D. Hawn, Jr. Well bore tools
US4984633A (en) * 1989-10-20 1991-01-15 Weatherford U.S., Inc. Nozzle effect protectors, centralizers, and stabilizers and related methods
US6739415B2 (en) * 1999-01-06 2004-05-25 Western Well Tool, Inc. Drill pipe protector

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2247564A (en) * 1938-07-18 1941-07-01 Percy R Turner Coupling protector
GB2164372A (en) * 1984-09-13 1986-03-19 Metal X Corp Of Texas Drill string stabilizer
WO1987002409A1 (en) * 1985-10-08 1987-04-23 Shell Offshore Inc. Turbulence cementing sub
US6666267B1 (en) * 1997-11-15 2003-12-23 Brunel Oilfield Services (Uk) Limited Downhole tools
GB2361498A (en) * 1999-01-06 2001-10-24 Western Well Tool Inc Drill pipe protector assembly
US20030075364A1 (en) * 1999-12-09 2003-04-24 Mike Wardley Reamer shoe
EP1650400A1 (en) * 2004-10-20 2006-04-26 European Drilling Projects B.V. Drill string stabiliser

Also Published As

Publication number Publication date
GB2446085B (en) 2009-04-22
WO2006097706A1 (en) 2006-09-21
GB2424234A (en) 2006-09-20
GB0808075D0 (en) 2008-06-11
GB0605092D0 (en) 2006-04-26
GB0505163D0 (en) 2005-04-20
GB2446085A (en) 2008-07-30

Similar Documents

Publication Publication Date Title
EP1888872A4 (en) Pipe-handling apparatus
TWI365630B (en) Intermediate apparatus
ZA200802399B (en) Apparatus
GB0509800D0 (en) Apparatus
GB2428762B (en) Nutmount Apparatus
GB0500480D0 (en) Apparatus
GB0519753D0 (en) Apparatus
GB0514660D0 (en) Apparatus
GB2431424B (en) Overdrilling apparatus
GB0505173D0 (en) Apparatus
EP1935326A4 (en) Biodiagnostic apparatus
GB0519247D0 (en) Apparatus
GB0515068D0 (en) Downhole trigger apparatus
GB0417732D0 (en) Downhole apparatus
GB0501246D0 (en) Assembly apparatus
GB2426369B (en) Coin-dispensing apparatus
GB0507984D0 (en) Headware apparatus
GB2430020B (en) Wellbore traction apparatus
GB2446085B (en) Downhole apparatus
TWM291811U (en) Bacteria-killer apparatus
GB0522332D0 (en) Apparatus
GB0518950D0 (en) Apparatus
GB0521646D0 (en) Apparatus
GB0522832D0 (en) Apparatus
GB0514547D0 (en) Apparatus

Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20100218 AND 20100224

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100314