BR7204749D0 - Aparelho para posicionar retirar e mover um testemunhador - Google Patents

Aparelho para posicionar retirar e mover um testemunhador

Info

Publication number
BR7204749D0
BR7204749D0 BR4749/72A BR474972A BR7204749D0 BR 7204749 D0 BR7204749 D0 BR 7204749D0 BR 4749/72 A BR4749/72 A BR 4749/72A BR 474972 A BR474972 A BR 474972A BR 7204749 D0 BR7204749 D0 BR 7204749D0
Authority
BR
Brazil
Prior art keywords
witnesser
appliance
moving
positioning
positioning removing
Prior art date
Application number
BR4749/72A
Other languages
English (en)
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 BR7204749D0 publication Critical patent/BR7204749D0/pt

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
    • 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
    • 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

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)
BR4749/72A 1971-07-19 1972-07-18 Aparelho para posicionar retirar e mover um testemunhador BR7204749D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16364071A 1971-07-19 1971-07-19

Publications (1)

Publication Number Publication Date
BR7204749D0 true BR7204749D0 (pt) 1973-05-17

Family

ID=22590903

Family Applications (1)

Application Number Title Priority Date Filing Date
BR4749/72A BR7204749D0 (pt) 1971-07-19 1972-07-18 Aparelho para posicionar retirar e mover um testemunhador

Country Status (9)

Country Link
US (1) US3704756A (pt)
BR (1) BR7204749D0 (pt)
CA (1) CA984825A (pt)
DE (1) DE2231642A1 (pt)
GB (1) GB1391209A (pt)
NL (1) NL7209639A (pt)
SE (1) SE405492B (pt)
ZA (1) ZA723996B (pt)
ZM (1) ZM10472A1 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3874464A (en) * 1972-08-23 1975-04-01 Tigre Tierra Processing of drilling an earth formation
ATE12288T1 (de) * 1980-11-21 1985-04-15 Diamant Boart Sa Verfahren zum herausziehen eines im bohrloch auswechselbaren bohrkernbehaelters und ein hierfuer vorgesehener fangkopf.
CA2053719C (en) * 1991-10-18 1996-12-10 Irvin Joseph Laporte (Bud) Drilling apparatus, particularly wire line core drilling apparatus
WO2007056035A1 (en) * 2005-11-03 2007-05-18 Rockmore International, Inc. Backhead and drill assembly with backhead
CA2784195C (en) 2011-08-01 2014-08-05 Groupe Fordia Inc. Core barrel assembly including a valve
CN107420059A (zh) * 2016-05-23 2017-12-01 美钻能源科技(上海)有限公司 水下采油树油管挂中心堵头取出工具

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
SE405492B (sv) 1978-12-11
US3704756A (en) 1972-12-05
AU4359572A (en) 1974-01-03
ZA723996B (en) 1973-03-28
CA984825A (en) 1976-03-02
NL7209639A (pt) 1973-01-23
DE2231642A1 (de) 1973-02-01
ZM10472A1 (en) 1973-02-21
GB1391209A (en) 1975-04-16

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