ZA723490B - Retrieving and lowering system for a core barrel - Google Patents

Retrieving and lowering system for a core barrel

Info

Publication number
ZA723490B
ZA723490B ZA723490A ZA723490A ZA723490B ZA 723490 B ZA723490 B ZA 723490B ZA 723490 A ZA723490 A ZA 723490A ZA 723490 A ZA723490 A ZA 723490A ZA 723490 B ZA723490 B ZA 723490B
Authority
ZA
South Africa
Prior art keywords
retrieving
core barrel
lowering system
lowering
barrel
Prior art date
Application number
ZA723490A
Inventor
T Wolda
Original Assignee
Dresser Ind Prod Ltd
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 Dresser Ind Prod Ltd filed Critical Dresser Ind Prod Ltd
Publication of ZA723490B publication Critical patent/ZA723490B/en

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
    • 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)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Drilling And Boring (AREA)
  • Earth Drilling (AREA)
ZA723490A 1971-06-18 1972-05-22 Retrieving and lowering system for a core barrel ZA723490B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15432071A 1971-06-18 1971-06-18

Publications (1)

Publication Number Publication Date
ZA723490B true ZA723490B (en) 1973-03-28

Family

ID=22550876

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA723490A ZA723490B (en) 1971-06-18 1972-05-22 Retrieving and lowering system for a core barrel

Country Status (10)

Country Link
US (1) US3704755A (en)
AU (1) AU475064B2 (en)
BR (1) BR7203870D0 (en)
CA (1) CA977329A (en)
DE (1) DE2229255A1 (en)
GB (1) GB1387492A (en)
NL (1) NL7208040A (en)
SE (1) SE400604B (en)
ZA (1) ZA723490B (en)
ZM (1) ZM9672A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3070343D1 (en) * 1980-11-21 1985-04-25 Diamant Boart Sa Method for recovering a retrievable core receiver in upward drilling and a recovery head for this purpose
CA2053719C (en) * 1991-10-18 1996-12-10 Irvin Joseph Laporte (Bud) Drilling apparatus, particularly wire line core drilling apparatus
BE1012557A3 (en) * 1999-03-15 2000-12-05 Security Dbs Core.
CA2792903C (en) 2011-03-31 2013-06-04 Groupe Fordia Inc. Overshot with pivotally mounted lifting dogs
CA2784195C (en) 2011-08-01 2014-08-05 Groupe Fordia Inc. Core barrel assembly including a valve

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1017305A (en) * 1911-03-29 1912-02-13 Albert P Mcbride Extracting appliance for use in oil or gas wells.
US2264480A (en) * 1938-02-28 1941-12-02 Frank M Owen Gripping device
US2252767A (en) * 1938-12-31 1941-08-19 Pacific Pump Works Standing valve puller
US2559315A (en) * 1948-12-13 1951-07-03 Dean W Osmun Packer assembly for overshots
US3120283A (en) * 1959-07-24 1964-02-04 Longyear E J Co Underground wire line core barrel apparatus
US3292717A (en) * 1964-06-15 1966-12-20 Boyles Bros Drilling Company L Wire line core barrel and by-pass assembly

Also Published As

Publication number Publication date
AU4239272A (en) 1973-11-22
US3704755A (en) 1972-12-05
DE2229255A1 (en) 1973-12-20
NL7208040A (en) 1972-12-20
GB1387492A (en) 1975-03-19
AU475064B2 (en) 1976-08-12
SE400604B (en) 1978-04-03
BR7203870D0 (en) 1974-05-16
CA977329A (en) 1975-11-04
ZM9672A1 (en) 1973-01-22

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