NL7217266A - - Google Patents

Info

Publication number
NL7217266A
NL7217266A NL7217266A NL7217266A NL7217266A NL 7217266 A NL7217266 A NL 7217266A NL 7217266 A NL7217266 A NL 7217266A NL 7217266 A NL7217266 A NL 7217266A NL 7217266 A NL7217266 A NL 7217266A
Authority
NL
Netherlands
Application number
NL7217266A
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 filed Critical
Publication of NL7217266A publication Critical patent/NL7217266A/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
    • E21B23/01—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for anchoring the tools or the like
    • 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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/12—Packers; Plugs
    • E21B33/129—Packers; Plugs with mechanical slips for hooking into the casing
    • E21B33/1291—Packers; Plugs with mechanical slips for hooking into the casing anchor set by wedge or cam in combination with frictional effect, using so-called drag-blocks
    • E21B33/1292—Packers; Plugs with mechanical slips for hooking into the casing anchor set by wedge or cam in combination with frictional effect, using so-called drag-blocks with means for anchoring against downward and upward movement

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)
  • Jigs For Machine Tools (AREA)
NL7217266A 1971-12-20 1972-12-19 NL7217266A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20974471A 1971-12-20 1971-12-20

Publications (1)

Publication Number Publication Date
NL7217266A true NL7217266A (de) 1973-06-22

Family

ID=22780083

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7217266A NL7217266A (de) 1971-12-20 1972-12-19

Country Status (8)

Country Link
US (1) US3714984A (de)
AR (1) AR209574A1 (de)
AU (1) AU4915772A (de)
CA (1) CA947646A (de)
DE (1) DE2263195C3 (de)
FR (1) FR2164747B1 (de)
GB (1) GB1395014A (de)
NL (1) NL7217266A (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3818987A (en) * 1972-11-17 1974-06-25 Dresser Ind Well packer and retriever
US3804164A (en) * 1973-04-09 1974-04-16 Dresser Ind Well packer apparatus having improved hydraulically-actuated anchor assembly
US3976134A (en) * 1973-11-01 1976-08-24 Dresser Industries, Inc. Mandrel locking sleeve
US3851705A (en) * 1973-11-02 1974-12-03 Dresser Ind Dual hydraulically actuated oil well packer
US3851707A (en) * 1973-11-02 1974-12-03 Dresser Ind Uni-directional unitary anchor slip
US3858648A (en) * 1973-11-02 1975-01-07 Dresser Ind Dual string hydraulically actuated oil well packer
US4018273A (en) * 1975-05-22 1977-04-19 Dresser Industries, Inc. Mandrel locking sleeve
US4029147A (en) * 1975-10-23 1977-06-14 Dresser Industries, Inc. Gripping member for well packer
US4151876A (en) * 1977-10-25 1979-05-01 Dresser Industries, Inc. Single string retrievable well packers
US8678083B2 (en) * 2011-04-18 2014-03-25 Baker Hughes Incorporated Expandable liner hanger with helically shaped slips

Also Published As

Publication number Publication date
FR2164747A1 (de) 1973-08-03
FR2164747B1 (de) 1977-02-04
US3714984A (en) 1973-02-06
DE2263195C3 (de) 1979-09-13
GB1395014A (en) 1975-05-21
AU4915772A (en) 1974-05-23
AR209574A1 (es) 1977-05-13
DE2263195B2 (de) 1979-01-18
CA947646A (en) 1974-05-21
DE2263195A1 (de) 1973-07-05

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Legal Events

Date Code Title Description
BV The patent application has lapsed