IT1086639B - Snodo a percussione idraulico per trivellazioni profonde - Google Patents

Snodo a percussione idraulico per trivellazioni profonde

Info

Publication number
IT1086639B
IT1086639B IT48963/77A IT4896377A IT1086639B IT 1086639 B IT1086639 B IT 1086639B IT 48963/77 A IT48963/77 A IT 48963/77A IT 4896377 A IT4896377 A IT 4896377A IT 1086639 B IT1086639 B IT 1086639B
Authority
IT
Italy
Prior art keywords
deep drilling
hydraulic percussion
joint
percussion joint
hydraulic
Prior art date
Application number
IT48963/77A
Other languages
English (en)
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 IT1086639B publication Critical patent/IT1086639B/it

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)
IT48963/77A 1976-05-03 1977-04-14 Snodo a percussione idraulico per trivellazioni profonde IT1086639B (it)

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
IT1086639B true IT1086639B (it) 1985-05-28

Family

ID=5976926

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48963/77A IT1086639B (it) 1976-05-03 1977-04-14 Snodo a percussione idraulico per trivellazioni profonde

Country Status (8)

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

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
RO76323A (ro) 1981-03-30
NO148495B (no) 1983-07-11
NL173990B (nl) 1983-11-01
FR2350459B1 (it) 1982-09-10
NL173990C (nl) 1984-04-02
DE2619472B1 (de) 1977-10-13
NO771152L (no) 1977-11-04
DE2619472C2 (de) 1978-05-24
FR2350459A1 (fr) 1977-12-02
NO148495C (no) 1983-10-19
CA1053656A (en) 1979-05-01
GB1546276A (en) 1979-05-23
NL7704762A (nl) 1977-11-07

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