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NO301727B1 - Dobbeltvirkende hydraulisk slagverktöy - Google Patents

Dobbeltvirkende hydraulisk slagverktöy

Info

Publication number
NO301727B1
NO301727B1 NO930455A NO930455A NO301727B1 NO 301727 B1 NO301727 B1 NO 301727B1 NO 930455 A NO930455 A NO 930455A NO 930455 A NO930455 A NO 930455A NO 301727 B1 NO301727 B1 NO 301727B1
Authority
NO
Norway
Prior art keywords
double acting
acting hydraulic
impact tool
hydraulic impact
tool
Prior art date
Application number
NO930455A
Other languages
English (en)
Other versions
NO930455D0 (no
NO930455L (no
Inventor
Stig Bakke
Original Assignee
Gefro Oilfield 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=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NO301727(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Publication of NO930455D0 publication Critical patent/NO930455D0/no
Priority to NO930455A priority Critical patent/NO301727B1/no
Application filed by Gefro Oilfield Services As filed Critical Gefro Oilfield Services As
Priority to US08/648,075 priority patent/US5803182A/en
Priority to DE69424286T priority patent/DE69424286T2/de
Priority to AU61169/94A priority patent/AU6116994A/en
Priority to EP94907722A priority patent/EP0710317B1/en
Priority to DK94907722T priority patent/DK0710317T3/da
Priority to PCT/NO1994/000035 priority patent/WO1994018428A1/en
Priority to CA002182491A priority patent/CA2182491C/en
Publication of NO930455L publication Critical patent/NO930455L/no
Publication of NO301727B1 publication Critical patent/NO301727B1/no

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)
NO930455A 1993-02-10 1993-02-10 Dobbeltvirkende hydraulisk slagverktöy NO301727B1 (no)

Priority Applications (8)

Application Number Priority Date Filing Date Title
NO930455A NO301727B1 (no) 1993-02-10 1993-02-10 Dobbeltvirkende hydraulisk slagverktöy
CA002182491A CA2182491C (en) 1993-02-10 1994-02-09 Bidirectional hydraulic jar
US08/648,075 US5803182A (en) 1993-02-10 1994-02-09 Bidirectional hydraulic jar
PCT/NO1994/000035 WO1994018428A1 (en) 1993-02-10 1994-02-09 Bidirectional hydraulic jar
DE69424286T DE69424286T2 (de) 1993-02-10 1994-02-09 Bidirektionale hydraulische schere
AU61169/94A AU6116994A (en) 1993-02-10 1994-02-09 Bidirectional hydraulic jar
EP94907722A EP0710317B1 (en) 1993-02-10 1994-02-09 Bidirectional hydraulic jar
DK94907722T DK0710317T3 (da) 1993-02-10 1994-02-09 Dobbeltrettet slagværktøj

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO930455A NO301727B1 (no) 1993-02-10 1993-02-10 Dobbeltvirkende hydraulisk slagverktöy

Publications (3)

Publication Number Publication Date
NO930455D0 NO930455D0 (no) 1993-02-10
NO930455L NO930455L (no) 1994-08-11
NO301727B1 true NO301727B1 (no) 1997-12-01

Family

ID=19895816

Family Applications (1)

Application Number Title Priority Date Filing Date
NO930455A NO301727B1 (no) 1993-02-10 1993-02-10 Dobbeltvirkende hydraulisk slagverktöy

Country Status (8)

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

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
US8540035B2 (en) 2008-05-05 2013-09-24 Weatherford/Lamb, Inc. Extendable cutting tools for use in a wellbore
AU2009244318B2 (en) 2008-05-05 2012-10-04 Weatherford Technology Holdings, Llc Signal operated tools for milling, drilling, and/or fishing operations
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
US11149495B2 (en) * 2015-03-27 2021-10-19 Charles Abernethy Anderson 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
CA2182491A1 (en) 1994-08-18
DE69424286T2 (de) 2000-08-31
AU6116994A (en) 1994-08-29
EP0710317B1 (en) 2000-05-03
DK0710317T3 (da) 2000-08-14
US5803182A (en) 1998-09-08
DE69424286D1 (de) 2000-06-08
EP0710317A1 (en) 1996-05-08
CA2182491C (en) 2002-05-14
WO1994018428A1 (en) 1994-08-18
NO930455D0 (no) 1993-02-10
NO930455L (no) 1994-08-11

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Legal Events

Date Code Title Description
PDP Decision of opposition (par. 25 patent act)

Free format text: PATENTET OPPRETTHOLDES I UENDRET FORM

Effective date: 19980828

MK1K Patent expired