RO76323A - Geala hidraulica - Google Patents

Geala hidraulica

Info

Publication number
RO76323A
RO76323A RO7790202A RO9020277A RO76323A RO 76323 A RO76323 A RO 76323A RO 7790202 A RO7790202 A RO 7790202A RO 9020277 A RO9020277 A RO 9020277A RO 76323 A RO76323 A RO 76323A
Authority
RO
Romania
Prior art keywords
hydraulic slider
slider
hydraulic
Prior art date
Application number
RO7790202A
Other languages
English (en)
French (fr)
Inventor
Reiner Jurgens
Original Assignee
Christensen Inc,Us
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,Us filed Critical Christensen Inc,Us
Publication of RO76323A publication Critical patent/RO76323A/ro

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)
RO7790202A 1976-05-03 1977-04-30 Geala hidraulica RO76323A (ro)

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
RO76323A true RO76323A (ro) 1981-03-30

Family

ID=5976926

Family Applications (1)

Application Number Title Priority Date Filing Date
RO7790202A RO76323A (ro) 1976-05-03 1977-04-30 Geala hidraulica

Country Status (8)

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

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
IT1086639B (it) 1985-05-28
GB1546276A (en) 1979-05-23
NL7704762A (nl) 1977-11-07
NO148495C (no) 1983-10-19
NO148495B (no) 1983-07-11
CA1053656A (en) 1979-05-01
NO771152L (no) 1977-11-04
FR2350459A1 (fr) 1977-12-02
FR2350459B1 (ro) 1982-09-10
NL173990B (nl) 1983-11-01
DE2619472B1 (de) 1977-10-13
DE2619472C2 (de) 1978-05-24
NL173990C (nl) 1984-04-02

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