FR2164747B1 - - Google Patents

Info

Publication number
FR2164747B1
FR2164747B1 FR7245443A FR7245443A FR2164747B1 FR 2164747 B1 FR2164747 B1 FR 2164747B1 FR 7245443 A FR7245443 A FR 7245443A FR 7245443 A FR7245443 A FR 7245443A FR 2164747 B1 FR2164747 B1 FR 2164747B1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7245443A
Other versions
FR2164747A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dresser Industries Inc
Original Assignee
Dresser Industries 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 Dresser Industries Inc filed Critical Dresser Industries Inc
Publication of FR2164747A1 publication Critical patent/FR2164747A1/fr
Application granted granted Critical
Publication of FR2164747B1 publication Critical patent/FR2164747B1/fr
Expired legal-status Critical Current

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)
FR7245443A 1971-12-20 1972-12-20 Expired FR2164747B1 (fr)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2164747A1 FR2164747A1 (fr) 1973-08-03
FR2164747B1 true FR2164747B1 (fr) 1977-02-04

Family

ID=22780083

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7245443A Expired FR2164747B1 (fr) 1971-12-20 1972-12-20

Country Status (8)

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

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
US3858648A (en) * 1973-11-02 1975-01-07 Dresser Ind Dual string hydraulically actuated oil well packer
US3851707A (en) * 1973-11-02 1974-12-03 Dresser Ind Uni-directional unitary anchor slip
US3851705A (en) * 1973-11-02 1974-12-03 Dresser Ind Dual 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
DE2263195C3 (de) 1979-09-13
CA947646A (en) 1974-05-21
GB1395014A (en) 1975-05-21
AU4915772A (en) 1974-05-23
NL7217266A (fr) 1973-06-22
DE2263195A1 (de) 1973-07-05
AR209574A1 (es) 1977-05-13
US3714984A (en) 1973-02-06
FR2164747A1 (fr) 1973-08-03
DE2263195B2 (de) 1979-01-18

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Legal Events

Date Code Title Description
ST Notification of lapse