JPH0459436B2 - - Google Patents

Info

Publication number
JPH0459436B2
JPH0459436B2 JP20464283A JP20464283A JPH0459436B2 JP H0459436 B2 JPH0459436 B2 JP H0459436B2 JP 20464283 A JP20464283 A JP 20464283A JP 20464283 A JP20464283 A JP 20464283A JP H0459436 B2 JPH0459436 B2 JP H0459436B2
Authority
JP
Japan
Prior art keywords
fluid
chamber
piston
mandrel
tubular members
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
Application number
JP20464283A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5996389A (ja
Inventor
Daburyu Euansu Robaato
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.)
Baker Hughes Holdings LLC
Original Assignee
Baker Hughes Inc
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 Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of JPS5996389A publication Critical patent/JPS5996389A/ja
Publication of JPH0459436B2 publication Critical patent/JPH0459436B2/ja
Granted 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
    • E21B31/107—Fishing for or freeing objects in boreholes or wells using impact means for releasing stuck parts, e.g. jars
    • E21B31/113—Fishing for or freeing objects in boreholes or wells using impact means for releasing stuck parts, e.g. jars hydraulically-operated

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Forging (AREA)
  • Glass Compositions (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP20464283A 1982-11-22 1983-10-31 流体作動式フイツシングジヤ− Granted JPS5996389A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US44360582A 1982-11-22 1982-11-22
US443605 1982-11-22

Publications (2)

Publication Number Publication Date
JPS5996389A JPS5996389A (ja) 1984-06-02
JPH0459436B2 true JPH0459436B2 (ru) 1992-09-22

Family

ID=23761476

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20464283A Granted JPS5996389A (ja) 1982-11-22 1983-10-31 流体作動式フイツシングジヤ−

Country Status (5)

Country Link
EP (1) EP0110803B1 (ru)
JP (1) JPS5996389A (ru)
CA (1) CA1220779A (ru)
DE (1) DE3368716D1 (ru)
MX (1) MX157609A (ru)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6278494A (ja) * 1985-10-02 1987-04-10 Hitachi Ltd スクロ−ル流体機械
US4844183A (en) * 1987-10-28 1989-07-04 Dailey Petroleum Services, Corp. Accelerator for fishing jar with hydrostatic assist
GB2362904B (en) * 2000-05-12 2004-08-11 Bd Kendle Engineering Ltd Improved jar mechanism
AU2002220833A1 (en) 2001-11-27 2003-06-17 Weatherford/Lamb, Inc. Hydraulic-mechanical jar tool
CN108468524B (zh) * 2018-05-21 2023-10-03 中国石油天然气集团有限公司 连续管打捞节流器用铅印和判断节流器能否打捞的方法
CN113338832B (zh) * 2021-05-18 2023-10-20 四川伟创石油装备制造有限公司 一种液压双向震击器
CN117823072B (zh) * 2024-03-04 2024-05-03 四川职业技术学院 一种随钻液压式主被动震击器

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3735827A (en) * 1972-03-15 1973-05-29 Baker Oil Tools Inc Down-hole adjustable hydraulic fishing jar
US3797591A (en) * 1973-02-06 1974-03-19 Baker Oil Tools Inc Trigger mechanism for down-hole adjustable hydraulic fishing jar
US3851717A (en) * 1973-11-15 1974-12-03 Baker Oil Tools Inc Substantially constant time delay fishing jar
US4059167A (en) * 1977-02-04 1977-11-22 Baker International Corporation Hydraulic fishing jar having tandem piston arrangement
US4361195A (en) * 1980-12-08 1982-11-30 Evans Robert W Double acting hydraulic mechanism

Also Published As

Publication number Publication date
EP0110803B1 (en) 1986-12-30
DE3368716D1 (en) 1987-02-05
MX157609A (es) 1988-12-05
JPS5996389A (ja) 1984-06-02
CA1220779A (en) 1987-04-21
EP0110803A1 (en) 1984-06-13

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