EP2041390A4 - Mechanical trigger arrangement - Google Patents

Mechanical trigger arrangement

Info

Publication number
EP2041390A4
EP2041390A4 EP07793918.9A EP07793918A EP2041390A4 EP 2041390 A4 EP2041390 A4 EP 2041390A4 EP 07793918 A EP07793918 A EP 07793918A EP 2041390 A4 EP2041390 A4 EP 2041390A4
Authority
EP
European Patent Office
Prior art keywords
mechanical trigger
trigger arrangement
arrangement
mechanical
trigger
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.)
Withdrawn
Application number
EP07793918.9A
Other languages
German (de)
French (fr)
Other versions
EP2041390A1 (en
Inventor
Frank Ove Akselberg
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.)
I-TEC AS
Original Assignee
I Tec 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
Application filed by I Tec AS filed Critical I Tec AS
Publication of EP2041390A1 publication Critical patent/EP2041390A1/en
Publication of EP2041390A4 publication Critical patent/EP2041390A4/en
Withdrawn legal-status Critical Current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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Marine Sciences & Fisheries (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Catching Or Destruction (AREA)
  • Springs (AREA)
EP07793918.9A 2006-07-13 2007-07-09 Mechanical trigger arrangement Withdrawn EP2041390A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20063252A NO325507B1 (en) 2006-07-13 2006-07-13 Apparatus for mechanical release of a hammer in a well tool
PCT/NO2007/000266 WO2008016308A1 (en) 2006-07-13 2007-07-09 Mechanical trigger arrangement

Publications (2)

Publication Number Publication Date
EP2041390A1 EP2041390A1 (en) 2009-04-01
EP2041390A4 true EP2041390A4 (en) 2015-06-10

Family

ID=38997424

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07793918.9A Withdrawn EP2041390A4 (en) 2006-07-13 2007-07-09 Mechanical trigger arrangement

Country Status (5)

Country Link
US (1) US20090301745A1 (en)
EP (1) EP2041390A4 (en)
CA (1) CA2657609A1 (en)
NO (1) NO325507B1 (en)
WO (1) WO2008016308A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2153883A (en) * 1936-07-06 1939-04-11 Grant John Oil well jar
GB622341A (en) * 1946-03-18 1949-04-29 Frank Cochran Boyd Improvements in or relating to rotary jars for use in well drilling operations
US2653008A (en) * 1949-12-29 1953-09-22 Cicero C Brown Well jar
US20050045339A1 (en) * 2003-09-02 2005-03-03 Hall David R. Drilling jar for use in a downhole network

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2153882A (en) * 1935-01-14 1939-04-11 Grant John Rotary jar
US2354709A (en) * 1942-04-01 1944-08-01 Donald U Shaffer Pressure regulated, straight pull jar mechanism
US3685598A (en) * 1970-10-20 1972-08-22 Schlumberger Technology Corp Mechanical jar having an adjustable tripping load
US4036312A (en) * 1976-09-13 1977-07-19 Hycalog Inc. Well jar

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2153883A (en) * 1936-07-06 1939-04-11 Grant John Oil well jar
GB622341A (en) * 1946-03-18 1949-04-29 Frank Cochran Boyd Improvements in or relating to rotary jars for use in well drilling operations
US2653008A (en) * 1949-12-29 1953-09-22 Cicero C Brown Well jar
US20050045339A1 (en) * 2003-09-02 2005-03-03 Hall David R. Drilling jar for use in a downhole network

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2008016308A1 *

Also Published As

Publication number Publication date
NO20063252L (en) 2008-01-14
WO2008016308A1 (en) 2008-02-07
US20090301745A1 (en) 2009-12-10
EP2041390A1 (en) 2009-04-01
NO325507B1 (en) 2008-05-26
CA2657609A1 (en) 2008-02-07

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 20090116

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RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: I-TEC AS

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Extension state: RS

Payment date: 20090116

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RA4 Supplementary search report drawn up and despatched (corrected)

Effective date: 20150513

RIC1 Information provided on ipc code assigned before grant

Ipc: E21B 31/107 20060101AFI20150507BHEP

Ipc: E21B 4/10 20060101ALI20150507BHEP

STAA Information on the status of an ep patent application or granted ep patent

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18D Application deemed to be withdrawn

Effective date: 20151212