GB8523694D0 - Cutting & recovery tool - Google Patents

Cutting & recovery tool

Info

Publication number
GB8523694D0
GB8523694D0 GB858523694A GB8523694A GB8523694D0 GB 8523694 D0 GB8523694 D0 GB 8523694D0 GB 858523694 A GB858523694 A GB 858523694A GB 8523694 A GB8523694 A GB 8523694A GB 8523694 D0 GB8523694 D0 GB 8523694D0
Authority
GB
United Kingdom
Prior art keywords
cutting
recovery tool
recovery
tool
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.)
Granted
Application number
GB858523694A
Other versions
GB2165286B (en
GB2165286A (en
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.)
Deepwater Oil Services Ltd of Unit Ten
Original Assignee
Deepwater Oil Services Ltd of Unit Ten
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27262473&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GB8523694(D0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from GB848425298A external-priority patent/GB8425298D0/en
Priority claimed from GB858510332A external-priority patent/GB8510332D0/en
Application filed by Deepwater Oil Services Ltd of Unit Ten filed Critical Deepwater Oil Services Ltd of Unit Ten
Priority to GB08523694A priority Critical patent/GB2165286B/en
Publication of GB8523694D0 publication Critical patent/GB8523694D0/en
Publication of GB2165286A publication Critical patent/GB2165286A/en
Application granted granted Critical
Publication of GB2165286B publication Critical patent/GB2165286B/en
Expired 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
    • E21B31/00—Fishing for or freeing objects in boreholes or wells
    • E21B31/12—Grappling tools, e.g. tongs or grabs
    • E21B31/20—Grappling tools, e.g. tongs or grabs gripping internally, e.g. fishing spears
    • 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
    • E21B31/00—Fishing for or freeing objects in boreholes or wells
    • E21B31/12—Grappling tools, e.g. tongs or grabs
    • E21B31/16—Grappling tools, e.g. tongs or grabs combined with cutting or destroying means

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
GB08523694A 1984-10-06 1985-09-25 Cutting and recovery tool Expired GB2165286B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08523694A GB2165286B (en) 1984-10-06 1985-09-25 Cutting and recovery tool

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB848425298A GB8425298D0 (en) 1984-10-06 1984-10-06 Cutting and recovery tool
GB858510332A GB8510332D0 (en) 1985-04-23 1985-04-23 Cutting & recovery tool
GB08523694A GB2165286B (en) 1984-10-06 1985-09-25 Cutting and recovery tool

Publications (3)

Publication Number Publication Date
GB8523694D0 true GB8523694D0 (en) 1985-10-30
GB2165286A GB2165286A (en) 1986-04-09
GB2165286B GB2165286B (en) 1988-02-03

Family

ID=27262473

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08523694A Expired GB2165286B (en) 1984-10-06 1985-09-25 Cutting and recovery tool

Country Status (1)

Country Link
GB (1) GB2165286B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8518192D0 (en) * 1985-07-18 1985-08-21 Smith Int North Sea Releasable spear
GB2194978B (en) * 1986-09-09 1990-01-10 Coal Ind Tube retracting device
CA2036376C (en) * 1989-08-03 1998-08-18 Geoffrey Owen Rouse Apparatus for recovering a wellhead
AU761233B2 (en) * 1999-04-05 2003-05-29 Baker Hughes Incorporated One-trip casing cutting & removal apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4047568A (en) * 1976-04-26 1977-09-13 International Enterprises, Inc. Method and apparatus for cutting and retrieving casing from a well bore
US4254983A (en) * 1979-09-19 1981-03-10 Halliburton Company Retriever tool

Also Published As

Publication number Publication date
GB2165286B (en) 1988-02-03
GB2165286A (en) 1986-04-09

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Legal Events

Date Code Title Description
727 Application made for amendment of specification (sect. 27/1977)
727A Application for amendment of specification now open to opposition (sect. 27/1977)
727A Application for amendment of specification now open to opposition (sect. 27/1977)
727M Decision issued (sect. 27/1977)
727B Case decided by the comptroller ** specification amended (sect. 27/1977)
SPA Amended specification published
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950925