CA1053656A - Dispositif hydraulique de serrage par a-coups - Google Patents

Dispositif hydraulique de serrage par a-coups

Info

Publication number
CA1053656A
CA1053656A CA277,583A CA277583A CA1053656A CA 1053656 A CA1053656 A CA 1053656A CA 277583 A CA277583 A CA 277583A CA 1053656 A CA1053656 A CA 1053656A
Authority
CA
Canada
Prior art keywords
pipe body
jars
hammer
bodies
outer pipe
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
Application number
CA277,583A
Other languages
English (en)
Inventor
Rainer Jurgens
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.)
Norton Christensen Inc
Original Assignee
Christensen 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 Christensen Inc filed Critical Christensen Inc
Application granted granted Critical
Publication of CA1053656A publication Critical patent/CA1053656A/fr
Expired 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

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)
  • Earth Drilling (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
CA277,583A 1976-05-03 1977-05-02 Dispositif hydraulique de serrage par a-coups Expired CA1053656A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2619472A DE2619472C2 (de) 1976-05-03 1976-05-03 Hydraulische Schlagschere für Tiefbohrungen

Publications (1)

Publication Number Publication Date
CA1053656A true CA1053656A (fr) 1979-05-01

Family

ID=5976926

Family Applications (1)

Application Number Title Priority Date Filing Date
CA277,583A Expired CA1053656A (fr) 1976-05-03 1977-05-02 Dispositif hydraulique de serrage par a-coups

Country Status (8)

Country Link
CA (1) CA1053656A (fr)
DE (1) DE2619472C2 (fr)
FR (1) FR2350459A1 (fr)
GB (1) GB1546276A (fr)
IT (1) IT1086639B (fr)
NL (1) NL173990C (fr)
NO (1) NO148495C (fr)
RO (1) RO76323A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4385668A (en) * 1981-02-25 1983-05-31 Turbo Resources Ltd. Inner pipe support arrangement for double-walled drill pipe

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2029609A (en) * 1933-08-07 1936-02-04 Burns Erwin Well tool
US2876993A (en) * 1955-07-22 1959-03-10 Donald Q Hooks Jar device for pumps
US3406770A (en) * 1966-06-27 1968-10-22 Roy L Arterbury Jarring tool
US3912026A (en) * 1974-02-25 1975-10-14 Baker Oil Tools Inc Fluid pressure locked well drilling tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4385668A (en) * 1981-02-25 1983-05-31 Turbo Resources Ltd. Inner pipe support arrangement for double-walled drill pipe

Also Published As

Publication number Publication date
FR2350459A1 (fr) 1977-12-02
DE2619472C2 (de) 1978-05-24
GB1546276A (en) 1979-05-23
DE2619472B1 (de) 1977-10-13
NO771152L (no) 1977-11-04
NL7704762A (nl) 1977-11-07
IT1086639B (it) 1985-05-28
NO148495B (no) 1983-07-11
RO76323A (fr) 1981-03-30
NL173990C (nl) 1984-04-02
FR2350459B1 (fr) 1982-09-10
NO148495C (no) 1983-10-19
NL173990B (nl) 1983-11-01

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