FR2350459B1 - - Google Patents

Info

Publication number
FR2350459B1
FR2350459B1 FR7713204A FR7713204A FR2350459B1 FR 2350459 B1 FR2350459 B1 FR 2350459B1 FR 7713204 A FR7713204 A FR 7713204A FR 7713204 A FR7713204 A FR 7713204A FR 2350459 B1 FR2350459 B1 FR 2350459B1
Authority
FR
France
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
FR7713204A
Other languages
French (fr)
Other versions
FR2350459A1 (fr
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
Publication of FR2350459A1 publication Critical patent/FR2350459A1/fr
Application granted granted Critical
Publication of FR2350459B1 publication Critical patent/FR2350459B1/fr
Granted 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)
FR7713204A 1976-05-03 1977-05-02 Coulisse hydraulique pour forages profonds Granted FR2350459A1 (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 (2)

Publication Number Publication Date
FR2350459A1 FR2350459A1 (fr) 1977-12-02
FR2350459B1 true FR2350459B1 (de) 1982-09-10

Family

ID=5976926

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7713204A Granted FR2350459A1 (fr) 1976-05-03 1977-05-02 Coulisse hydraulique pour forages profonds

Country Status (8)

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

Families Citing this family (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

Also Published As

Publication number Publication date
NO148495B (no) 1983-07-11
GB1546276A (en) 1979-05-23
NL173990C (nl) 1984-04-02
RO76323A (ro) 1981-03-30
DE2619472C2 (de) 1978-05-24
NO771152L (no) 1977-11-04
NO148495C (no) 1983-10-19
NL7704762A (nl) 1977-11-07
IT1086639B (it) 1985-05-28
DE2619472B1 (de) 1977-10-13
FR2350459A1 (fr) 1977-12-02
NL173990B (nl) 1983-11-01
CA1053656A (en) 1979-05-01

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Legal Events

Date Code Title Description
ST Notification of lapse