JPS5028363B1 - - Google Patents

Info

Publication number
JPS5028363B1
JPS5028363B1 JP45060005A JP6000570A JPS5028363B1 JP S5028363 B1 JPS5028363 B1 JP S5028363B1 JP 45060005 A JP45060005 A JP 45060005A JP 6000570 A JP6000570 A JP 6000570A JP S5028363 B1 JPS5028363 B1 JP S5028363B1
Authority
JP
Japan
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.)
Pending
Application number
JP45060005A
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 filed Critical
Publication of JPS5028363B1 publication Critical patent/JPS5028363B1/ja
Pending 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)
  • 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)
JP45060005A 1969-08-14 1970-07-10 Pending JPS5028363B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US85019669A 1969-08-14 1969-08-14

Publications (1)

Publication Number Publication Date
JPS5028363B1 true JPS5028363B1 (ja) 1975-09-13

Family

ID=25307521

Family Applications (1)

Application Number Title Priority Date Filing Date
JP45060005A Pending JPS5028363B1 (ja) 1969-08-14 1970-07-10

Country Status (5)

Country Link
US (1) US3539025A (ja)
JP (1) JPS5028363B1 (ja)
DE (1) DE2034149A1 (ja)
FR (1) FR2058260B1 (ja)
GB (1) GB1245210A (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3735828A (en) * 1972-03-15 1973-05-29 Baker Oil Tools Inc Accelerator for fishing jars
US3877530A (en) * 1974-06-21 1975-04-15 Jim L Downen Hydraulic drilling jar
US4715454A (en) * 1986-06-03 1987-12-29 Teng Chuan C Mechanical directional drilling jar with swivel means
US5503228A (en) * 1994-12-05 1996-04-02 Anderson; Edwin A. Jar apparatus and method of jarring
US5624001A (en) * 1995-06-07 1997-04-29 Dailey Petroleum Services Corp Mechanical-hydraulic double-acting drilling jar
US6290004B1 (en) 1999-09-02 2001-09-18 Robert W. Evans Hydraulic jar
US6481495B1 (en) 2000-09-25 2002-11-19 Robert W. Evans Downhole tool with electrical conductor
CN101994487B (zh) * 2003-11-07 2012-08-15 Aps技术公司 用于向钻头传递转矩的扭转轴承组件
US7874364B2 (en) * 2008-01-31 2011-01-25 Weatherford/Lamb, Inc. Method for jarring with a downhole pulling tool
US12084954B1 (en) * 2023-05-29 2024-09-10 Ian A Allahar Downhole reservoir stimulating system and methods

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2981336A (en) * 1956-10-10 1961-04-25 Johnston Testers Inc Jar
US2953352A (en) * 1958-08-04 1960-09-20 Houston Engineers Inc Tensile energy accumulator and shock absorbing device for well pipe strings
US3429389A (en) * 1967-12-14 1969-02-25 Burchus Q Barrington Pressure maintenance mechanism for hydraulic jar tool and mode of operation thereof

Also Published As

Publication number Publication date
US3539025A (en) 1970-11-10
DE2034149A1 (de) 1971-12-09
GB1245210A (en) 1971-09-08
FR2058260A1 (ja) 1971-05-28
FR2058260B1 (ja) 1974-08-09

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