SE320942B - - Google Patents

Info

Publication number
SE320942B
SE320942B SE9109/68A SE910968A SE320942B SE 320942 B SE320942 B SE 320942B SE 9109/68 A SE9109/68 A SE 9109/68A SE 910968 A SE910968 A SE 910968A SE 320942 B SE320942 B SE 320942B
Authority
SE
Sweden
Application number
SE9109/68A
Inventor
Oe Jensen
Original Assignee
Atlas Copco Ab
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 Atlas Copco Ab filed Critical Atlas Copco Ab
Priority to SE9109/68A priority Critical patent/SE320942B/xx
Priority to US835965A priority patent/US3610675A/en
Priority to FR6921772A priority patent/FR2014486A1/fr
Priority to DE19691933481 priority patent/DE1933481B2/en
Priority to GB33365/69A priority patent/GB1248863A/en
Publication of SE320942B publication Critical patent/SE320942B/xx

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
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/02—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for locking the tools or the like in landing nipples or in recesses between adjacent sections of tubing
    • 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
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/004—Indexing systems for guiding relative movement between telescoping parts of downhole tools
    • E21B23/006—"J-slot" systems, i.e. lug and slot indexing mechanisms
    • 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
    • E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
    • E21B25/02—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors the core receiver being insertable into, or removable from, the borehole without withdrawing the drilling pipe

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Drilling Tools (AREA)
SE9109/68A 1968-07-02 1968-07-02 SE320942B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE9109/68A SE320942B (en) 1968-07-02 1968-07-02
US835965A US3610675A (en) 1968-07-02 1969-06-24 Releasing device for the locking mechanism in wire line core drills
FR6921772A FR2014486A1 (en) 1968-07-02 1969-06-27
DE19691933481 DE1933481B2 (en) 1968-07-02 1969-07-02 Device for uncoupling the coupling that connects the inner core tube with a pull rope when core drilling with a double core tube
GB33365/69A GB1248863A (en) 1968-07-02 1969-07-02 A releasing device for a locking mechanism in wire line core drills

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9109/68A SE320942B (en) 1968-07-02 1968-07-02

Publications (1)

Publication Number Publication Date
SE320942B true SE320942B (en) 1970-02-23

Family

ID=20275860

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9109/68A SE320942B (en) 1968-07-02 1968-07-02

Country Status (5)

Country Link
US (1) US3610675A (en)
DE (1) DE1933481B2 (en)
FR (1) FR2014486A1 (en)
GB (1) GB1248863A (en)
SE (1) SE320942B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106499341A (en) * 2015-09-04 2017-03-15 钟建华 Portable anti-skidding puts coring bit

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2817194C2 (en) * 1977-05-03 1984-05-03 Diamant Boart S.A., Bruxelles Core drill
SE517190C2 (en) * 1999-08-24 2002-05-07 Atlas Copco Rocktech Ab Locking device for a link core drill, link core drilling device and method for link core drilling
US10047572B2 (en) * 2013-03-01 2018-08-14 Sandvik Intellectual Property Ab Overshot tool having latch control means
CN112595226A (en) * 2020-12-31 2021-04-02 中国矿业大学 Device for measuring expansion deformation of underground coal mine protected layer

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2018414A (en) * 1934-05-11 1935-10-22 Everett B Hand Core barrel retriever

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106499341A (en) * 2015-09-04 2017-03-15 钟建华 Portable anti-skidding puts coring bit

Also Published As

Publication number Publication date
US3610675A (en) 1971-10-05
FR2014486A1 (en) 1970-04-17
GB1248863A (en) 1971-10-06
DE1933481B2 (en) 1970-06-18
DE1933481A1 (en) 1970-06-18

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