NO940422L - Dobbeltvirkende aksellerator for bruk med hydrauliske slagverktöy - Google Patents

Dobbeltvirkende aksellerator for bruk med hydrauliske slagverktöy

Info

Publication number
NO940422L
NO940422L NO940422A NO940422A NO940422L NO 940422 L NO940422 L NO 940422L NO 940422 A NO940422 A NO 940422A NO 940422 A NO940422 A NO 940422A NO 940422 L NO940422 L NO 940422L
Authority
NO
Norway
Prior art keywords
mandrel
piston
double acting
movement
accelerator
Prior art date
Application number
NO940422A
Other languages
English (en)
Other versions
NO940422D0 (no
NO305811B1 (no
Inventor
Robert W Evans
Original Assignee
Dailey Petroleum Services
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 filed Critical Dailey Petroleum Services
Publication of NO940422D0 publication Critical patent/NO940422D0/no
Publication of NO940422L publication Critical patent/NO940422L/no
Publication of NO305811B1 publication Critical patent/NO305811B1/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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
    • 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

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Actuator (AREA)
  • Earth Drilling (AREA)
  • Reciprocating Pumps (AREA)
  • Sliding Valves (AREA)
  • Steroid Compounds (AREA)
  • Transplanting Machines (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Details Of Cutting Devices (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
NO940422A 1991-08-15 1994-02-08 Dobbeltvirkende aksellerator for bruk med hydrauliske slagverkt°y NO305811B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/745,416 US5232060A (en) 1991-08-15 1991-08-15 Double-acting accelerator for use with hydraulic drilling jars
PCT/US1992/005618 WO1993004258A1 (en) 1991-08-15 1992-07-02 A double-acting accelerator for use with hydraulic drilling jars

Publications (3)

Publication Number Publication Date
NO940422D0 NO940422D0 (no) 1994-02-08
NO940422L true NO940422L (no) 1994-02-08
NO305811B1 NO305811B1 (no) 1999-07-26

Family

ID=24996599

Family Applications (1)

Application Number Title Priority Date Filing Date
NO940422A NO305811B1 (no) 1991-08-15 1994-02-08 Dobbeltvirkende aksellerator for bruk med hydrauliske slagverkt°y

Country Status (16)

Country Link
US (1) US5232060A (no)
EP (1) EP0597885B1 (no)
JP (1) JPH06509852A (no)
AT (1) ATE149629T1 (no)
AU (1) AU656799B2 (no)
CA (1) CA2113458C (no)
DE (1) DE69217956T2 (no)
DK (1) DK0597885T3 (no)
ES (1) ES2097916T3 (no)
FI (1) FI940678A (no)
GR (1) GR3023665T3 (no)
HK (1) HK1007787A1 (no)
NO (1) NO305811B1 (no)
SG (1) SG49147A1 (no)
TW (1) TW216451B (no)
WO (1) WO1993004258A1 (no)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5431221A (en) * 1993-10-29 1995-07-11 Houston Engineers, Inc. Jar enhancer
US5370180A (en) * 1993-12-02 1994-12-06 Barbee; Phil Downhole oil and gas well jacking tool for use with coil tubing unit
US5425430A (en) * 1994-01-27 1995-06-20 Houston Engineers, Inc. Jar enhancer
US5584353A (en) * 1995-03-06 1996-12-17 Bowen Tools, Inc. Well jar accelerator with expansion chamber
US5624001A (en) 1995-06-07 1997-04-29 Dailey Petroleum Services Corp Mechanical-hydraulic double-acting drilling jar
NO304199B2 (no) * 1996-10-30 1998-11-09 Weatherford Norge As Hydraulisk slagverktøy
US6551857B2 (en) * 1997-04-04 2003-04-22 Elm Technology Corporation Three dimensional structure integrated circuits
US5931242A (en) * 1997-04-11 1999-08-03 Iri International Corporation Jarring tool enhancer
US5906239A (en) * 1997-04-11 1999-05-25 Iri International Corporation Jarring tool
US5918689A (en) * 1997-05-06 1999-07-06 Houston Engineers, Inc. Jar enhancer
US5984028A (en) * 1997-07-15 1999-11-16 Dailey Petroleum Corp. Converted dual-acting hydraulic drilling jar
GB2344368B (en) * 1997-08-16 2001-12-19 Internat Petroleum Equipment L Impact enhancing tool
GB9717361D0 (en) 1997-08-16 1997-10-22 Int Petroleum Equipment Ltd Accelerator tool
US5918688A (en) * 1997-10-09 1999-07-06 Dailey International, Inc. Gas-filled accelerator
US6182775B1 (en) * 1998-06-10 2001-02-06 Baker Hughes Incorporated Downhole jar apparatus for use in oil and gas wells
US6386545B1 (en) * 1999-05-17 2002-05-14 Robert W. Evans Fluid plug
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
US6900528B2 (en) * 2001-06-21 2005-05-31 Micron Technology, Inc. Stacked mass storage flash memory package
US6712134B2 (en) 2002-02-12 2004-03-30 Baker Hughes Incorporated Modular bi-directional hydraulic jar with rotating capability
US7066263B1 (en) 2002-08-27 2006-06-27 Mouton David E Tension multiplier jar apparatus and method of operation
GB0413996D0 (en) * 2004-06-23 2004-07-28 Pedem Ltd "Impact enhancing apparatus and method"
US7594551B1 (en) 2005-12-12 2009-09-29 Mouton David E Downhole supercharger process
SG135066A1 (en) * 2006-02-20 2007-09-28 Micron Technology Inc Semiconductor device assemblies including face-to-face semiconductor dice, systems including such assemblies, and methods for fabricating such assemblies
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
US8443902B2 (en) * 2009-06-23 2013-05-21 Halliburton Energy Services, Inc. Time-controlled release device for wireline conveyed tools
US8256509B2 (en) 2009-10-08 2012-09-04 Halliburton Energy Services, Inc. Compact jar for dislodging tools in an oil or gas well
US8205690B2 (en) * 2010-03-12 2012-06-26 Evans Robert W Dual acting locking 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
WO2012091716A1 (en) * 2010-12-30 2012-07-05 Halliburton Energy Services, Inc. Hydraulic/mechanical tight hole jar
US9328567B2 (en) 2012-01-04 2016-05-03 Halliburton Energy Services, Inc. Double-acting shock damper for a downhole assembly
US9988869B2 (en) 2014-09-11 2018-06-05 Halliburton Energy Services, Inc. Jarring using controllable powered bidirectional mechanical jar
US10480260B2 (en) * 2015-06-30 2019-11-19 Lord Corporation Isolator
US11846152B2 (en) * 2021-08-26 2023-12-19 Baker Hughes Oilfield Operations Llc Mechanical jar, method and system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4109736A (en) * 1976-06-11 1978-08-29 Webb Derrel D Double acting jar
US4361195A (en) * 1980-12-08 1982-11-30 Evans Robert W Double acting hydraulic mechanism
US5086853A (en) * 1991-03-15 1992-02-11 Dailey Petroleum Services Large bore hydraulic drilling jar

Also Published As

Publication number Publication date
WO1993004258A1 (en) 1993-03-04
DE69217956T2 (de) 1997-06-12
CA2113458C (en) 2003-09-23
AU2317792A (en) 1993-03-16
CA2113458A1 (en) 1993-03-04
TW216451B (no) 1993-11-21
FI940678A0 (fi) 1994-02-14
NO940422D0 (no) 1994-02-08
DK0597885T3 (da) 1997-09-15
NO305811B1 (no) 1999-07-26
ES2097916T3 (es) 1997-04-16
EP0597885A1 (en) 1994-05-25
EP0597885B1 (en) 1997-03-05
JPH06509852A (ja) 1994-11-02
DE69217956D1 (de) 1997-04-10
HK1007787A1 (en) 1999-04-23
US5232060A (en) 1993-08-03
ATE149629T1 (de) 1997-03-15
AU656799B2 (en) 1995-02-16
GR3023665T3 (en) 1997-09-30
FI940678A (fi) 1994-02-14
SG49147A1 (en) 1998-05-18

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Legal Events

Date Code Title Description
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