DK0710317T3 - Dobbeltrettet slagværktøj - Google Patents

Dobbeltrettet slagværktøj

Info

Publication number
DK0710317T3
DK0710317T3 DK94907722T DK94907722T DK0710317T3 DK 0710317 T3 DK0710317 T3 DK 0710317T3 DK 94907722 T DK94907722 T DK 94907722T DK 94907722 T DK94907722 T DK 94907722T DK 0710317 T3 DK0710317 T3 DK 0710317T3
Authority
DK
Denmark
Prior art keywords
double
impact tool
pointed impact
pointed
tool
Prior art date
Application number
DK94907722T
Other languages
English (en)
Inventor
Stig Erling Bakke
Original Assignee
Gefro Oil Field Services As
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19895816&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK0710317(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Gefro Oil Field Services As filed Critical Gefro Oil Field Services As
Application granted granted Critical
Publication of DK0710317T3 publication Critical patent/DK0710317T3/da

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)
  • Percussive Tools And Related Accessories (AREA)
  • Pipe Accessories (AREA)
DK94907722T 1993-02-10 1994-02-09 Dobbeltrettet slagværktøj DK0710317T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO930455A NO301727B1 (no) 1993-02-10 1993-02-10 Dobbeltvirkende hydraulisk slagverktöy
PCT/NO1994/000035 WO1994018428A1 (en) 1993-02-10 1994-02-09 Bidirectional hydraulic jar

Publications (1)

Publication Number Publication Date
DK0710317T3 true DK0710317T3 (da) 2000-08-14

Family

ID=19895816

Family Applications (1)

Application Number Title Priority Date Filing Date
DK94907722T DK0710317T3 (da) 1993-02-10 1994-02-09 Dobbeltrettet slagværktøj

Country Status (8)

Country Link
US (1) US5803182A (da)
EP (1) EP0710317B1 (da)
AU (1) AU6116994A (da)
CA (1) CA2182491C (da)
DE (1) DE69424286T2 (da)
DK (1) DK0710317T3 (da)
NO (1) NO301727B1 (da)
WO (1) WO1994018428A1 (da)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6047778A (en) * 1996-09-30 2000-04-11 Dresser-Rand Company Percussion drill assembly
NO304199B2 (no) * 1996-10-30 1998-11-09 Weatherford Norge As Hydraulisk slagverktøy
DE19652530C2 (de) * 1996-12-17 1998-12-03 Terra Ag Tiefbautechnik Imlochhammer
US6269892B1 (en) 1998-12-21 2001-08-07 Dresser Industries, Inc. Steerable drilling system and method
US6474421B1 (en) 2000-05-31 2002-11-05 Baker Hughes Incorporated Downhole vibrator
US6571870B2 (en) * 2001-03-01 2003-06-03 Schlumberger Technology Corporation Method and apparatus to vibrate a downhole component
US6866104B2 (en) * 2002-01-31 2005-03-15 Baker Hughes Incorporated Drop in dart activated downhole vibration tool
US6712134B2 (en) 2002-02-12 2004-03-30 Baker Hughes Incorporated Modular bi-directional hydraulic jar with rotating capability
US6729407B2 (en) 2002-09-10 2004-05-04 Baker Hughes Incorporated Method for removing gravel pack screens
US6675909B1 (en) 2002-12-26 2004-01-13 Jack A. Milam Hydraulic jar
US6953095B2 (en) * 2004-01-09 2005-10-11 Earth Tool Company, L.L.C. Method and system for operating a reversible pneumatic ground piercing tool
US6986394B2 (en) 2004-04-29 2006-01-17 Varco I/P, Inc. Reciprocable impact hammer
CA2722612C (en) 2008-05-05 2015-02-17 Weatherford/Lamb, Inc. Signal operated tools for milling, drilling, and/or fishing operations
US8540035B2 (en) 2008-05-05 2013-09-24 Weatherford/Lamb, Inc. Extendable cutting tools for use in a wellbore
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
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
US9790756B2 (en) * 2013-10-28 2017-10-17 Keith McNeilly Wireline down jar
CA2972829C (en) 2015-03-27 2022-03-08 Anderson, Charles Abernethy Apparatus and method for modifying axial force
CA2937251A1 (en) 2015-07-31 2017-01-31 ASDR Canada Inc. Sound absorber for a drilling apparatus
US10641053B2 (en) * 2018-06-11 2020-05-05 Exacta-Frac Energy Services, Inc. Modular force multiplier for downhole tools

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3361220A (en) * 1965-03-17 1968-01-02 Bassinger Tool Company Jarring or drilling mechanism
US4361195A (en) * 1980-12-08 1982-11-30 Evans Robert W Double acting hydraulic mechanism
US4462471A (en) * 1982-10-27 1984-07-31 James Hipp Bidirectional fluid operated vibratory jar
DE3909567A1 (de) * 1989-03-23 1990-09-27 Schmidt Paul Rammbohrgeraet
US5025868A (en) * 1989-11-13 1991-06-25 Earth Tool Corporation Pneumatic ground piercing tool
US5172771A (en) * 1990-11-06 1992-12-22 Charles Machine Works, Inc. Reversible impact-operated boring tool

Also Published As

Publication number Publication date
EP0710317B1 (en) 2000-05-03
DE69424286T2 (de) 2000-08-31
AU6116994A (en) 1994-08-29
US5803182A (en) 1998-09-08
EP0710317A1 (en) 1996-05-08
NO930455L (no) 1994-08-11
WO1994018428A1 (en) 1994-08-18
CA2182491C (en) 2002-05-14
NO301727B1 (no) 1997-12-01
NO930455D0 (no) 1993-02-10
DE69424286D1 (de) 2000-06-08
CA2182491A1 (en) 1994-08-18

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