SG55790G - Annulus pressure responsive downhole tool - Google Patents

Annulus pressure responsive downhole tool

Info

Publication number
SG55790G
SG55790G SG557/90A SG55790A SG55790G SG 55790 G SG55790 G SG 55790G SG 557/90 A SG557/90 A SG 557/90A SG 55790 A SG55790 A SG 55790A SG 55790 G SG55790 G SG 55790G
Authority
SG
Singapore
Prior art keywords
downhole tool
pressure responsive
annulus pressure
responsive downhole
annulus
Prior art date
Application number
SG557/90A
Other languages
English (en)
Original Assignee
Halliburton Co
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 US06/533,701 external-priority patent/US4489786A/en
Priority claimed from US06/533,901 external-priority patent/US4515219A/en
Priority claimed from US06/533,835 external-priority patent/US4537258A/en
Priority claimed from US06/533,834 external-priority patent/US4557333A/en
Application filed by Halliburton Co filed Critical Halliburton Co
Publication of SG55790G publication Critical patent/SG55790G/en

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B23/00Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/004Indexing systems for guiding relative movement between telescoping parts of downhole tools
    • E21B23/006"J-slot" systems, i.e. lug and slot indexing mechanisms
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B34/00Valve arrangements for boreholes or wells
    • E21B34/06Valve arrangements for boreholes or wells in wells
    • E21B34/10Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
    • E21B34/108Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole with time delay systems, e.g. hydraulic impedance mechanisms
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B49/00Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • E21B49/001Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells specially adapted for underwater installations
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B2200/00Special features related to earth drilling for obtaining oil, gas or water
    • E21B2200/04Ball valves

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)
  • Safety Valves (AREA)
SG557/90A 1983-09-19 1990-07-17 Annulus pressure responsive downhole tool SG55790G (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US06/533,701 US4489786A (en) 1983-09-19 1983-09-19 Low pressure responsive downhole tool with differential pressure holding means
US06/533,901 US4515219A (en) 1983-09-19 1983-09-19 Low pressure responsive downhole tool with floating shoe retarding means
US06/533,835 US4537258A (en) 1983-09-19 1983-09-19 Low pressure responsive downhole tool
US06/533,834 US4557333A (en) 1983-09-19 1983-09-19 Low pressure responsive downhole tool with cam actuated relief valve

Publications (1)

Publication Number Publication Date
SG55790G true SG55790G (en) 1990-09-07

Family

ID=27504643

Family Applications (1)

Application Number Title Priority Date Filing Date
SG557/90A SG55790G (en) 1983-09-19 1990-07-17 Annulus pressure responsive downhole tool

Country Status (3)

Country Link
EP (1) EP0136146B1 (de)
DE (1) DE3481855D1 (de)
SG (1) SG55790G (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69226903T2 (de) * 1991-06-14 1999-04-15 Baker Hughes Inc Druckmittelbetätigtes Bohrlochwerkzeugsystem
GB2377234B (en) * 2001-07-05 2005-09-28 Smith International Multi-cycle downhole apparatus
US7766086B2 (en) 2007-06-08 2010-08-03 Bj Services Company Llc Fluid actuated circulating sub
CN110863796B (zh) * 2019-12-11 2023-11-07 贵州航天凯山石油仪器有限公司 一种密封段电动泄压方法及装置
CN114961643B (zh) * 2022-06-01 2023-05-23 西南石油大学 一种释放套管环空圈闭压力的可恢复式泄压装置及方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3858649A (en) * 1973-02-26 1975-01-07 Halliburton Co Apparatus for testing oil wells using annulus pressure
US4113012A (en) * 1977-10-27 1978-09-12 Halliburton Company Reclosable circulation valve for use in oil well testing
US4109725A (en) * 1977-10-27 1978-08-29 Halliburton Company Self adjusting liquid spring operating apparatus and method for use in an oil well valve

Also Published As

Publication number Publication date
DE3481855D1 (de) 1990-05-10
EP0136146A2 (de) 1985-04-03
EP0136146B1 (de) 1990-04-04
EP0136146A3 (en) 1988-01-20

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