DE69719341T2 - Doppeltwirkende hydraulische bohrloch-schlagvorrichtung - Google Patents

Doppeltwirkende hydraulische bohrloch-schlagvorrichtung

Info

Publication number
DE69719341T2
DE69719341T2 DE69719341T DE69719341T DE69719341T2 DE 69719341 T2 DE69719341 T2 DE 69719341T2 DE 69719341 T DE69719341 T DE 69719341T DE 69719341 T DE69719341 T DE 69719341T DE 69719341 T2 DE69719341 T2 DE 69719341T2
Authority
DE
Germany
Prior art keywords
double
drill hole
acting hydraulic
hole device
hydraulic drill
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 - Fee Related
Application number
DE69719341T
Other languages
English (en)
Other versions
DE69719341D1 (de
Inventor
Christian Friis
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.)
Weatherford Lamb Inc
Original Assignee
Weatherford Lamb 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 Weatherford Lamb Inc filed Critical Weatherford Lamb Inc
Application granted granted Critical
Publication of DE69719341D1 publication Critical patent/DE69719341D1/de
Publication of DE69719341T2 publication Critical patent/DE69719341T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • E21B31/1135—Jars with a hydraulic impedance mechanism, i.e. a restriction, for initially delaying escape of a restraining fluid

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)
  • Fluid-Damping Devices (AREA)
  • Earth Drilling (AREA)
DE69719341T 1996-09-20 1997-09-18 Doppeltwirkende hydraulische bohrloch-schlagvorrichtung Expired - Fee Related DE69719341T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9619722.3A GB9619722D0 (en) 1996-09-20 1996-09-20 Jar mechanism
PCT/GB1997/002531 WO1998012414A2 (en) 1996-09-20 1997-09-18 Double acting hydraulic jar

Publications (2)

Publication Number Publication Date
DE69719341D1 DE69719341D1 (de) 2003-04-03
DE69719341T2 true DE69719341T2 (de) 2003-10-30

Family

ID=10800297

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69719341T Expired - Fee Related DE69719341T2 (de) 1996-09-20 1997-09-18 Doppeltwirkende hydraulische bohrloch-schlagvorrichtung

Country Status (6)

Country Link
US (1) US6202767B1 (de)
EP (1) EP0927296B1 (de)
AU (1) AU4309997A (de)
DE (1) DE69719341T2 (de)
GB (1) GB9619722D0 (de)
WO (1) WO1998012414A2 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6712134B2 (en) * 2002-02-12 2004-03-30 Baker Hughes Incorporated Modular bi-directional hydraulic jar with rotating capability
US6675909B1 (en) 2002-12-26 2004-01-13 Jack A. Milam Hydraulic jar
US7066251B2 (en) * 2003-05-01 2006-06-27 National-Oilwell, L.P. Hydraulic jar lock
US7395862B2 (en) 2004-10-21 2008-07-08 Bj Services Company Combination jar and disconnect tool
US7347287B2 (en) * 2005-09-30 2008-03-25 Roger Chancey Hydraulic timing device
US20070074867A1 (en) * 2005-09-30 2007-04-05 Roger Chancey Jar device
US7874364B2 (en) 2008-01-31 2011-01-25 Weatherford/Lamb, Inc. Method for jarring with a downhole pulling tool
CA2634552C (en) * 2008-05-23 2014-10-14 Dave L. Budney Double-acting compounder
US7753116B2 (en) * 2008-06-06 2010-07-13 David Budney Double-acting jar
US8011427B2 (en) * 2009-06-03 2011-09-06 Michael Shoyhetman Double-acting jar
US7882906B1 (en) * 2009-11-03 2011-02-08 Decuir Sr Perry Joseph Up-down vibratory drilling and jarring tool
US8230912B1 (en) 2009-11-13 2012-07-31 Thru Tubing Solutions, Inc. Hydraulic bidirectional jar
US8505653B2 (en) 2010-04-01 2013-08-13 Lee Oilfield Service Ltd. Downhole apparatus
US8695696B2 (en) 2010-07-21 2014-04-15 Lee Oilfield Services Ltd. Jar with improved valve
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
US9644441B2 (en) 2014-10-09 2017-05-09 Impact Selector International, Llc Hydraulic impact apparatus and methods
US9551199B2 (en) 2014-10-09 2017-01-24 Impact Selector International, Llc Hydraulic impact apparatus and methods
CN104563938B (zh) * 2015-01-04 2017-04-26 杰瑞能源服务有限公司 一种连续震击工具
US10844683B2 (en) 2018-04-03 2020-11-24 Weatherford Technology Holdings, Llc Hydraulic drilling jar with hydraulic lock piston
RU2726689C1 (ru) * 2019-08-27 2020-07-15 Закрытое акционерное общество "НГТ" Гидравлический бурильный яс двухстороннего действия
US11098549B2 (en) * 2019-12-31 2021-08-24 Workover Solutions, Inc. Mechanically locking hydraulic jar and method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3221826A (en) 1963-12-10 1965-12-07 Houston Engineers Inc Fluid pressure one-way jar
US4109736A (en) * 1976-06-11 1978-08-29 Webb Derrel D Double acting jar
US4456081A (en) 1982-08-02 1984-06-26 Newman James L Hydraulic drilling jar
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

Also Published As

Publication number Publication date
WO1998012414A2 (en) 1998-03-26
GB9619722D0 (en) 1996-11-06
DE69719341D1 (de) 2003-04-03
WO1998012414A3 (en) 1998-06-04
EP0927296A2 (de) 1999-07-07
US6202767B1 (en) 2001-03-20
AU4309997A (en) 1998-04-14
EP0927296B1 (de) 2003-02-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee