CA949876A - Floating piston for selective hydraulic packer - Google Patents

Floating piston for selective hydraulic packer

Info

Publication number
CA949876A
CA949876A CA140,535A CA140535A CA949876A CA 949876 A CA949876 A CA 949876A CA 140535 A CA140535 A CA 140535A CA 949876 A CA949876 A CA 949876A
Authority
CA
Canada
Prior art keywords
floating piston
hydraulic packer
selective hydraulic
selective
packer
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
CA140,535A
Other versions
CA140535S (en
Inventor
Bobby L. Douglas
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
Priority to CA184,099A priority Critical patent/CA956570A/en
Application granted granted Critical
Publication of CA949876A publication Critical patent/CA949876A/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
    • 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
    • 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
    • E21B33/1294—Packers; Plugs with mechanical slips for hooking into the casing characterised by a valve, e.g. a by-pass valve
    • 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
    • E21B33/1295—Packers; Plugs with mechanical slips for hooking into the casing actuated by fluid pressure

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Earth Drilling (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
CA140,535A 1971-05-24 1972-04-25 Floating piston for selective hydraulic packer Expired CA949876A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA184,099A CA956570A (en) 1971-05-24 1973-10-24 Floating piston for selective hydraulic packer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14602771A 1971-05-24 1971-05-24

Publications (1)

Publication Number Publication Date
CA949876A true CA949876A (en) 1974-06-25

Family

ID=22515581

Family Applications (1)

Application Number Title Priority Date Filing Date
CA140,535A Expired CA949876A (en) 1971-05-24 1972-04-25 Floating piston for selective hydraulic packer

Country Status (5)

Country Link
US (1) US3731740A (en)
JP (1) JPS5441961B1 (en)
CA (1) CA949876A (en)
DE (1) DE2224953A1 (en)
GB (1) GB1368691A (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3804164A (en) * 1973-04-09 1974-04-16 Dresser Ind Well packer apparatus having improved hydraulically-actuated anchor assembly
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
US3913675A (en) * 1974-10-21 1975-10-21 Dresser Ind Methods and apparatus for sand control in underground boreholes
US4008759A (en) * 1975-10-31 1977-02-22 Dresser Industries, Inc. Oil well tool with packing means
US4188998A (en) * 1978-04-12 1980-02-19 Dresser Industries, Inc. Well packer bypass valve seal assembly
US4214629A (en) * 1979-04-19 1980-07-29 Dresser Industries, Inc. Well packer bypass valve seal assembly
US4669538A (en) * 1986-01-16 1987-06-02 Halliburton Company Double-grip thermal expansion screen hanger and running tool
US20060289169A1 (en) * 2005-06-24 2006-12-28 Dwayn Anderson Method and apparatus for installing casing in a borehole
US7441605B2 (en) * 2005-07-13 2008-10-28 Baker Hughes Incorporated Optical sensor use in alternate path gravel packing with integral zonal isolation
US20070012460A1 (en) * 2005-07-13 2007-01-18 Baker Hughes Incorporated Hydrostatic-set open hole packer with electric, hydraulic and/or optical feed throughs
US20090229832A1 (en) * 2008-03-11 2009-09-17 Baker Hughes Incorporated Pressure Compensator for Hydrostatically-Actuated Packers
CN103797211B (en) * 2010-12-17 2016-12-14 埃克森美孚上游研究公司 For substituting the packer of flow channel gravel filling and for the method completing pit shaft
GB201100975D0 (en) * 2011-01-20 2011-03-09 Lee Paul B Downhole tools
GB201312011D0 (en) * 2013-07-04 2013-08-21 Lee Paul B Packer apparatuses
CN110424921B (en) * 2019-08-28 2024-07-23 中研(天津)能源装备有限公司 Packer
CN112983340B (en) * 2019-12-13 2022-09-23 中国石油化工股份有限公司 Packer for ultra-deep well

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3122205A (en) * 1960-11-14 1964-02-25 Brown Oil Tools Well packer assemblies
US3361207A (en) * 1964-09-04 1968-01-02 Baker Oil Tools Inc Retrievable subsurface well tools
US3460616A (en) * 1967-07-26 1969-08-12 Dresser Ind Retrievable packer

Also Published As

Publication number Publication date
DE2224953A1 (en) 1972-12-07
GB1368691A (en) 1974-10-02
US3731740A (en) 1973-05-08
JPS5441961B1 (en) 1979-12-11

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