CA938219A - Well packer apparatus - Google Patents

Well packer apparatus

Info

Publication number
CA938219A
CA938219A CA109008A CA109008A CA938219A CA 938219 A CA938219 A CA 938219A CA 109008 A CA109008 A CA 109008A CA 109008 A CA109008 A CA 109008A CA 938219 A CA938219 A CA 938219A
Authority
CA
Canada
Prior art keywords
well packer
packer apparatus
well
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
CA109008A
Other versions
CA109008S (en
Inventor
L. Mcgill Howard
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.)
Schlumberger Technology Corp
Original Assignee
Schlumberger Technology Corp
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 Schlumberger Technology Corp filed Critical Schlumberger Technology Corp
Application granted granted Critical
Publication of CA938219A publication Critical patent/CA938219A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B33/12955—Packers; Plugs with mechanical slips for hooking into the casing actuated by fluid pressure using drag blocks frictionally engaging the inner wall of the well
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
CA109008A 1970-04-07 1971-03-29 Well packer apparatus Expired CA938219A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2638470A 1970-04-07 1970-04-07

Publications (1)

Publication Number Publication Date
CA938219A true CA938219A (en) 1973-12-11

Family

ID=21831532

Family Applications (1)

Application Number Title Priority Date Filing Date
CA109008A Expired CA938219A (en) 1970-04-07 1971-03-29 Well packer apparatus

Country Status (5)

Country Link
US (1) US3645334A (en)
BR (1) BR7102065D0 (en)
CA (1) CA938219A (en)
DE (1) DE2116881A1 (en)
GB (1) GB1334771A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3785436A (en) * 1972-06-23 1974-01-15 P Davis Well packer
US3797572A (en) * 1972-08-28 1974-03-19 Baker Oil Tools Inc Apparatus for selective formation treatment
US3804164A (en) * 1973-04-09 1974-04-16 Dresser Ind Well packer apparatus having improved hydraulically-actuated anchor assembly
US4989672A (en) * 1990-02-05 1991-02-05 Halliburton Company Packer locking apparatus
US5311939A (en) * 1992-07-16 1994-05-17 Camco International Inc. Multiple use well packer
CA2265223C (en) 1999-03-11 2004-05-18 Linden H. Bland Wellbore annulus packer apparatus and method
CA2684855A1 (en) * 2007-05-07 2008-11-13 Jan Noord Sealing device and method for sealing a casing
CN106988695A (en) * 2017-03-07 2017-07-28 深圳海力德油田技术开发有限公司 A kind of coiled tubing hanger
CN109339733B (en) * 2018-11-29 2020-07-28 江苏新彩阳机电技术有限公司 Small-diameter hanging blanking plug
CN112901108A (en) * 2021-02-03 2021-06-04 江苏航天鸿鹏数控机械有限公司 Packer for increasing production and fracturing of petroleum, natural gas and coal bed gas

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3112795A (en) * 1960-11-14 1963-12-03 Baker Oil Tools Inc Retrievable subsurface well tool
US3232169A (en) * 1963-01-21 1966-02-01 Lees Bradner Co Main drive means for a gear hobbing machine
US3338308A (en) * 1964-08-10 1967-08-29 Otis Eng Co Well packer and anchor therefor
US3399729A (en) * 1966-12-30 1968-09-03 Schlumberger Technology Corp Retrievable well packer
US3426846A (en) * 1967-08-10 1969-02-11 Schlumberger Technology Corp Retrievable well packer

Also Published As

Publication number Publication date
GB1334771A (en) 1973-10-24
DE2116881A1 (en) 1971-10-21
BR7102065D0 (en) 1973-04-10
US3645334A (en) 1972-02-29

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