GB2340862B - Down-hole tool with centralising component - Google Patents

Down-hole tool with centralising component

Info

Publication number
GB2340862B
GB2340862B GB9917601A GB9917601A GB2340862B GB 2340862 B GB2340862 B GB 2340862B GB 9917601 A GB9917601 A GB 9917601A GB 9917601 A GB9917601 A GB 9917601A GB 2340862 B GB2340862 B GB 2340862B
Authority
GB
United Kingdom
Prior art keywords
centralising
component
hole tool
tool
hole
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
GB9917601A
Other versions
GB9917601D0 (en
GB2340862A (en
Inventor
Mark Carmichael
Paul David Howlett
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.)
Schlumberger UK Holdings Ltd
Original Assignee
Specialised Petroleum Services Group Ltd
SPS Afos International Ltd
SPS Afos Group Ltd
Specialised Petroleum 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
Application filed by Specialised Petroleum Services Group Ltd, SPS Afos International Ltd, SPS Afos Group Ltd, Specialised Petroleum Services Ltd filed Critical Specialised Petroleum Services Group Ltd
Publication of GB9917601D0 publication Critical patent/GB9917601D0/en
Publication of GB2340862A publication Critical patent/GB2340862A/en
Application granted granted Critical
Publication of GB2340862B publication Critical patent/GB2340862B/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
    • E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
    • 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
    • E21B37/00—Methods or apparatus for cleaning boreholes or wells
    • E21B37/02—Scrapers specially adapted therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Pens And Brushes (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
GB9917601A 1998-08-21 1999-07-28 Down-hole tool with centralising component Expired - Lifetime GB2340862B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9818181.1A GB9818181D0 (en) 1998-08-21 1998-08-21 Down-hole tool with centralising component

Publications (3)

Publication Number Publication Date
GB9917601D0 GB9917601D0 (en) 1999-09-29
GB2340862A GB2340862A (en) 2000-03-01
GB2340862B true GB2340862B (en) 2002-11-20

Family

ID=10837581

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9818181.1A Ceased GB9818181D0 (en) 1998-06-07 1998-08-21 Down-hole tool with centralising component
GB9917601A Expired - Lifetime GB2340862B (en) 1998-08-21 1999-07-28 Down-hole tool with centralising component

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9818181.1A Ceased GB9818181D0 (en) 1998-06-07 1998-08-21 Down-hole tool with centralising component

Country Status (2)

Country Link
GB (2) GB9818181D0 (en)
NO (1) NO322987B1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2366815B (en) 2000-07-15 2004-03-24 Anthony Allen A well cleaning tool
GB0026460D0 (en) * 2000-10-27 2000-12-13 Sps Afos Internat Branch Ltd Combined milling and scraping tool
GB2373267A (en) * 2001-03-15 2002-09-18 Anthony Allen A brush for cleaning casings
GB2417539B (en) 2004-08-24 2006-11-08 Specialised Petroleum Serv Ltd Clamp
US20110271470A1 (en) * 2010-05-04 2011-11-10 Baker Hughes Incorporated Brush Assembly with Non-Rotating Stabilizer and Brushes

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4648447A (en) * 1985-09-11 1987-03-10 Bowen Tools, Inc. Casing scraper
GB2299599A (en) * 1995-04-01 1996-10-09 Rotary Drilling Supplies Europ Well cleaning apparatus
WO1997008423A1 (en) * 1995-08-30 1997-03-06 Drilltech Services (North Sea) Limited Friction-reducing drill pipe component
GB2327963A (en) * 1997-08-09 1999-02-10 Drilltech Services Downhole scraper and packer apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4648447A (en) * 1985-09-11 1987-03-10 Bowen Tools, Inc. Casing scraper
GB2299599A (en) * 1995-04-01 1996-10-09 Rotary Drilling Supplies Europ Well cleaning apparatus
WO1997008423A1 (en) * 1995-08-30 1997-03-06 Drilltech Services (North Sea) Limited Friction-reducing drill pipe component
GB2327963A (en) * 1997-08-09 1999-02-10 Drilltech Services Downhole scraper and packer apparatus

Also Published As

Publication number Publication date
GB9917601D0 (en) 1999-09-29
GB9818181D0 (en) 1998-10-14
NO993998L (en) 2000-02-22
NO322987B1 (en) 2006-12-18
GB2340862A (en) 2000-03-01
NO993998D0 (en) 1999-08-19

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Expiry date: 20190727