CA947646A - Well tools and gripping members therefor - Google Patents

Well tools and gripping members therefor

Info

Publication number
CA947646A
CA947646A CA156,509A CA156509A CA947646A CA 947646 A CA947646 A CA 947646A CA 156509 A CA156509 A CA 156509A CA 947646 A CA947646 A CA 947646A
Authority
CA
Canada
Prior art keywords
gripping members
well tools
members therefor
therefor
tools
Prior art date
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
CA156,509A
Other versions
CA156509S (en
Inventor
Norman W. Read
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
Application granted granted Critical
Publication of CA947646A publication Critical patent/CA947646A/en
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)
CA156,509A 1971-12-20 1972-11-15 Well tools and gripping members therefor Expired CA947646A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA947646A true CA947646A (en) 1974-05-21

Family

ID=22780083

Family Applications (1)

Application Number Title Priority Date Filing Date
CA156,509A Expired CA947646A (en) 1971-12-20 1972-11-15 Well tools and gripping members therefor

Country Status (8)

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

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
FR2164747B1 (en) 1977-02-04
US3714984A (en) 1973-02-06
FR2164747A1 (en) 1973-08-03
DE2263195C3 (en) 1979-09-13
NL7217266A (en) 1973-06-22
DE2263195A1 (en) 1973-07-05
GB1395014A (en) 1975-05-21
AR209574A1 (en) 1977-05-13
DE2263195B2 (en) 1979-01-18
AU4915772A (en) 1974-05-23

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