[go: up one dir, main page]

GB2327963B - Casing scraper - Google Patents

Casing scraper

Info

Publication number
GB2327963B
GB2327963B GB9817269A GB9817269A GB2327963B GB 2327963 B GB2327963 B GB 2327963B GB 9817269 A GB9817269 A GB 9817269A GB 9817269 A GB9817269 A GB 9817269A GB 2327963 B GB2327963 B GB 2327963B
Authority
GB
United Kingdom
Prior art keywords
casing scraper
scraper
casing
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
GB9817269A
Other versions
GB2327963A (en
GB9817269D0 (en
Inventor
Robert Patrick Appleton
Gholam Hossein Rastegar
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.)
Drilltech Services North Sea Ltd
Original Assignee
Drilltech Services North Sea 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 claimed from GBGB9716843.9A external-priority patent/GB9716843D0/en
Priority claimed from GBGB9809408.9A external-priority patent/GB9809408D0/en
Application filed by Drilltech Services North Sea Ltd filed Critical Drilltech Services North Sea Ltd
Publication of GB9817269D0 publication Critical patent/GB9817269D0/en
Publication of GB2327963A publication Critical patent/GB2327963A/en
Application granted granted Critical
Publication of GB2327963B publication Critical patent/GB2327963B/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
    • E21B37/00—Methods or apparatus for cleaning boreholes or wells
    • E21B37/02—Scrapers specially adapted therefor

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (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)
  • Cleaning In General (AREA)
GB9817269A 1997-08-09 1998-08-07 Casing scraper Expired - Lifetime GB2327963B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9716843.9A GB9716843D0 (en) 1997-08-09 1997-08-09 Downhole apparatus
GBGB9809408.9A GB9809408D0 (en) 1998-05-02 1998-05-02 Downhole apparatus

Publications (3)

Publication Number Publication Date
GB9817269D0 GB9817269D0 (en) 1998-10-07
GB2327963A GB2327963A (en) 1999-02-10
GB2327963B true GB2327963B (en) 2002-03-20

Family

ID=26312038

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9817269A Expired - Lifetime GB2327963B (en) 1997-08-09 1998-08-07 Casing scraper

Country Status (1)

Country Link
GB (1) GB2327963B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9818181D0 (en) * 1998-08-21 1998-10-14 Specialised Petroleum Serv Ltd Down-hole tool with centralising component
GB2353809B (en) * 1999-08-31 2003-08-06 Anthony Allen A drillable casing brush
GB0303862D0 (en) * 2003-02-20 2003-03-26 Hamdeen Inc Ltd Downhole tool
US7048055B2 (en) * 2003-03-10 2006-05-23 Weatherford/Lamb, Inc. Packer with integral cleaning device
GB0513645D0 (en) 2005-07-02 2005-08-10 Specialised Petroleum Serv Ltd Wellbore cleaning method and apparatus
EP2212514B1 (en) 2007-10-03 2019-04-10 M-I Llc Downhole scraper
GB0814456D0 (en) 2008-08-07 2008-09-10 Specialised Petroleum Serv Ltd Drill string mounted rotatable tool and cleaning method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3912012A (en) * 1974-08-09 1975-10-14 Continental Oil Co Method for removing plastic from the inside diameter of wellbore casing
SU1232794A1 (en) * 1984-12-14 1986-05-23 Небит-Дагская Нефтегазоразведочная Экспедиция Глубокого Бурения-Управление Геологии Тсср Well tester
GB2295632A (en) * 1993-06-16 1996-06-05 Well Flow Techn Inc Well cleaning tool with scratching elements

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3912012A (en) * 1974-08-09 1975-10-14 Continental Oil Co Method for removing plastic from the inside diameter of wellbore casing
SU1232794A1 (en) * 1984-12-14 1986-05-23 Небит-Дагская Нефтегазоразведочная Экспедиция Глубокого Бурения-Управление Геологии Тсср Well tester
GB2295632A (en) * 1993-06-16 1996-06-05 Well Flow Techn Inc Well cleaning tool with scratching elements

Also Published As

Publication number Publication date
GB2327963A (en) 1999-02-10
GB9817269D0 (en) 1998-10-07

Similar Documents

Publication Publication Date Title
GB9703608D0 (en) Casing centraliser
DE69803272D1 (en) Hemmstoffe der stickstoffmonoxid-synthase
GB2311313A8 (en) Well casing
GB2326430B (en) Wellhead
ZA985323B (en) New compounds
EP0926344A4 (en) Seal structure for casing
GB2347442B (en) Casing scraper
GB2321556B (en) Housing
SG72879A1 (en) Chipcard-contacting unit
GB9715006D0 (en) Centralizer
ZA9810184B (en) New phenyl-alkyl-imidazoles
ZA989839B (en) New spirocyciic compounds
GB2327963B (en) Casing scraper
ZA983736B (en) New compounds
GB9712185D0 (en) Case
GB2343060B (en) Casing
GB2295534B (en) Scraper
CA80776S (en) Anteena casing
GB9523844D0 (en) Casing
GB9606604D0 (en) Expendable casing scraper
HU9700115V0 (en) Case
GB0126520D0 (en) Downhole assembly
GB9722284D0 (en) Casing joints
AU133262S (en) Casing
AU133261S (en) Casing

Legal Events

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

Expiry date: 20180806