CA1008062A - Hydraulic drilling jar - Google Patents

Hydraulic drilling jar

Info

Publication number
CA1008062A
CA1008062A CA207,423A CA207423A CA1008062A CA 1008062 A CA1008062 A CA 1008062A CA 207423 A CA207423 A CA 207423A CA 1008062 A CA1008062 A CA 1008062A
Authority
CA
Canada
Prior art keywords
hydraulic drilling
drilling jar
jar
hydraulic
drilling
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
CA207,423A
Other versions
CA207423S (en
Inventor
Jim L. Downen
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1008062A publication Critical patent/CA1008062A/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
    • E21B31/107—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)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
CA207,423A 1974-06-21 1974-08-20 Hydraulic drilling jar Expired CA1008062A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US481552A US3877530A (en) 1974-06-21 1974-06-21 Hydraulic drilling jar

Publications (1)

Publication Number Publication Date
CA1008062A true CA1008062A (en) 1977-04-05

Family

ID=23912400

Family Applications (1)

Application Number Title Priority Date Filing Date
CA207,423A Expired CA1008062A (en) 1974-06-21 1974-08-20 Hydraulic drilling jar

Country Status (3)

Country Link
US (1) US3877530A (en)
CA (1) CA1008062A (en)
GB (1) GB1460873A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5624001A (en) * 1995-06-07 1997-04-29 Dailey Petroleum Services Corp Mechanical-hydraulic double-acting drilling jar
US6207784B1 (en) 1998-07-28 2001-03-27 Acushnet Company Golf ball comprising anionic polyurethane or polyurea ionomers and method of making the same
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
US6675909B1 (en) 2002-12-26 2004-01-13 Jack A. Milam Hydraulic jar
US8230912B1 (en) 2009-11-13 2012-07-31 Thru Tubing Solutions, Inc. Hydraulic bidirectional jar
US8550155B2 (en) 2011-03-10 2013-10-08 Thru Tubing Solutions, Inc. Jarring method and apparatus using fluid pressure to reset jar
US8657007B1 (en) 2012-08-14 2014-02-25 Thru Tubing Solutions, Inc. Hydraulic jar with low reset force

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2645459A (en) * 1951-08-06 1953-07-14 Wayne N Sutliff Hydraulic jar
US3083533A (en) * 1960-10-24 1963-04-02 Clark Equipment Co Hydraulic system
US3221826A (en) * 1963-12-10 1965-12-07 Houston Engineers Inc Fluid pressure one-way jar
US3388755A (en) * 1966-05-02 1968-06-18 Houston Engineers Inc Combination shock absorber and jar
US3570612A (en) * 1968-10-17 1971-03-16 Bowen Tools Inc Fluid accelerator for use with an hydraulic jar in a well
US3539025A (en) * 1969-08-14 1970-11-10 Wayne N Sutliff Apparatus for the sumultaneous application to an oil well fish of the direct strain of a drill string and an independent jarring blow
US3566981A (en) * 1969-09-15 1971-03-02 Schlumberger Technology Corp Hydraulic drilling jar

Also Published As

Publication number Publication date
US3877530A (en) 1975-04-15
GB1460873A (en) 1977-01-06

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