DE3871901D1 - Beschleuniger fuer eine schlagschere. - Google Patents

Beschleuniger fuer eine schlagschere.

Info

Publication number
DE3871901D1
DE3871901D1 DE8888117927T DE3871901T DE3871901D1 DE 3871901 D1 DE3871901 D1 DE 3871901D1 DE 8888117927 T DE8888117927 T DE 8888117927T DE 3871901 T DE3871901 T DE 3871901T DE 3871901 D1 DE3871901 D1 DE 3871901D1
Authority
DE
Germany
Prior art keywords
accelerator
chambers
fluid
compression chamber
insure
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 - Lifetime
Application number
DE8888117927T
Other languages
English (en)
Other versions
DE3871901T2 (de
Inventor
Robert W Evans
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.)
Dailey International Inc
Original Assignee
Dailey Petroleum Services Corp
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 Dailey Petroleum Services Corp filed Critical Dailey Petroleum Services Corp
Publication of DE3871901D1 publication Critical patent/DE3871901D1/de
Application granted granted Critical
Publication of DE3871901T2 publication Critical patent/DE3871901T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
  • Sealing Devices (AREA)
  • Scissors And Nippers (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Actuator (AREA)
DE8888117927T 1987-10-28 1988-10-27 Beschleuniger fuer eine schlagschere. Expired - Lifetime DE3871901T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/114,560 US4844183A (en) 1987-10-28 1987-10-28 Accelerator for fishing jar with hydrostatic assist

Publications (2)

Publication Number Publication Date
DE3871901D1 true DE3871901D1 (de) 1992-07-16
DE3871901T2 DE3871901T2 (de) 1992-12-10

Family

ID=22356006

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888117927T Expired - Lifetime DE3871901T2 (de) 1987-10-28 1988-10-27 Beschleuniger fuer eine schlagschere.

Country Status (7)

Country Link
US (1) US4844183A (de)
EP (1) EP0314130B1 (de)
JP (1) JP2775102B2 (de)
AT (1) ATE77129T1 (de)
CA (1) CA1331984C (de)
DE (1) DE3871901T2 (de)
MX (1) MX168082B (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5033557A (en) * 1990-05-07 1991-07-23 Anadrill, Inc. Hydraulic drilling jar
US5447196A (en) * 1994-01-27 1995-09-05 Roberts; Billy J. Hydraulic jar
US5595244A (en) * 1994-01-27 1997-01-21 Houston Engineers, Inc. Hydraulic jar
US5584353A (en) * 1995-03-06 1996-12-17 Bowen Tools, Inc. Well jar accelerator with expansion chamber
CA2173797C (en) * 1996-04-10 1998-12-29 David Budney Jar enhancer
US5906239A (en) * 1997-04-11 1999-05-25 Iri International Corporation Jarring tool
US5931242A (en) * 1997-04-11 1999-08-03 Iri International Corporation Jarring tool enhancer
US5918689A (en) * 1997-05-06 1999-07-06 Houston Engineers, Inc. Jar enhancer
AU8164898A (en) 1997-06-27 1999-01-19 Baker Hughes Incorporated Drilling system with sensors for determining properties of drilling fluid downhole
GB9717361D0 (en) 1997-08-16 1997-10-22 Int Petroleum Equipment Ltd Accelerator tool
US7066263B1 (en) * 2002-08-27 2006-06-27 Mouton David E Tension multiplier jar apparatus and method of operation
US7594551B1 (en) 2005-12-12 2009-09-29 Mouton David E Downhole supercharger process
US7753116B2 (en) * 2008-06-06 2010-07-13 David Budney Double-acting jar
US8418758B2 (en) * 2009-08-04 2013-04-16 Impact Selector, Inc. Jarring tool with micro adjustment
US8225860B2 (en) * 2009-12-07 2012-07-24 Impact Selector, Inc. Downhole jarring tool with reduced wear latch
US8191626B2 (en) * 2009-12-07 2012-06-05 Impact Selector, Inc. Downhole jarring tool
US8783353B2 (en) 2010-03-01 2014-07-22 Smith International, Inc. Increased energy impact tool
US8505653B2 (en) * 2010-04-01 2013-08-13 Lee Oilfield Service Ltd. Downhole apparatus
WO2013040578A2 (en) 2011-09-16 2013-03-21 Impact Selector, Inc. Sealed jar
CN110196559B (zh) * 2018-02-27 2020-12-15 深圳市奕博科技有限公司 体感滑板车及其驱动方法、终端设备和计算机可读介质

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2265431A (en) * 1939-01-11 1941-12-09 Eldon Peek J Hydraulic jar
US2721056A (en) * 1952-02-14 1955-10-18 Lynn W Storm Hydraulic well jar
US2953352A (en) * 1958-08-04 1960-09-20 Houston Engineers Inc Tensile energy accumulator and shock absorbing device for well pipe strings
US3472326A (en) * 1968-02-05 1969-10-14 Wayne N Sutliff Fishing tool energizer
US3570612A (en) * 1968-10-17 1971-03-16 Bowen Tools Inc Fluid accelerator for use with an hydraulic jar in a well
US3606297A (en) * 1969-12-18 1971-09-20 Houston Engineers Inc Energy accumulator and shock absorbing device for well pipe strings
US3735828A (en) * 1972-03-15 1973-05-29 Baker Oil Tools Inc Accelerator for fishing jars
US3815693A (en) * 1972-06-28 1974-06-11 W Sutliff Vacuum hydrastatic jar accelerator
US3834472A (en) * 1973-03-16 1974-09-10 L Perkins Jarring accelerator
US4200158A (en) * 1978-03-03 1980-04-29 Lee E. Perkins Fluid retarded accelerating jar with negative and positive pressure chambers
US4179002A (en) * 1978-08-25 1979-12-18 Dresser Industries, Inc. Variable hydraulic resistor jarring tool
US4210214A (en) * 1978-10-06 1980-07-01 Dresser Industries, Inc. Temperature compensating hydraulic jarring tool
US4196782A (en) * 1978-10-10 1980-04-08 Dresser Industries, Inc. Temperature compensated sleeve valve hydraulic jar tool
CA1220779A (en) * 1982-11-22 1987-04-21 Robert W. Evans Single acting hydraulic fishing jar
US4545444A (en) * 1984-01-09 1985-10-08 Webb Derrel D Jar mechanism energizer

Also Published As

Publication number Publication date
JPH01280197A (ja) 1989-11-10
JP2775102B2 (ja) 1998-07-16
US4844183A (en) 1989-07-04
EP0314130B1 (de) 1992-06-10
DE3871901T2 (de) 1992-12-10
ATE77129T1 (de) 1992-06-15
CA1331984C (en) 1994-09-13
MX168082B (es) 1993-05-03
EP0314130A1 (de) 1989-05-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: DAILEY INTERNATIONAL INC., CONROE, TEX., US

8339 Ceased/non-payment of the annual fee