BR7102065D0 - Aparelho obturador de pocos - Google Patents

Aparelho obturador de pocos

Info

Publication number
BR7102065D0
BR7102065D0 BR2065/71A BR206571A BR7102065D0 BR 7102065 D0 BR7102065 D0 BR 7102065D0 BR 2065/71 A BR2065/71 A BR 2065/71A BR 206571 A BR206571 A BR 206571A BR 7102065 D0 BR7102065 D0 BR 7102065D0
Authority
BR
Brazil
Prior art keywords
pocos
shutters
pocos shutters
Prior art date
Application number
BR2065/71A
Other languages
English (en)
Inventor
H Megill
Original Assignee
Schlunberger 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 Schlunberger Technology Corp filed Critical Schlunberger Technology Corp
Publication of BR7102065D0 publication Critical patent/BR7102065D0/pt

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
    • 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 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

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)
  • Piles And Underground Anchors (AREA)
  • Details Of Valves (AREA)
  • Transmission Of Braking Force In Braking Systems (AREA)
BR2065/71A 1970-04-07 1971-04-06 Aparelho obturador de pocos BR7102065D0 (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR7102065D0 true BR7102065D0 (pt) 1973-04-10

Family

ID=21831532

Family Applications (1)

Application Number Title Priority Date Filing Date
BR2065/71A BR7102065D0 (pt) 1970-04-07 1971-04-06 Aparelho obturador de pocos

Country Status (5)

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

Families Citing this family (11)

* 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
US8857525B2 (en) * 2007-05-07 2014-10-14 Jan Noord Sealing device and method for sealing a casing
CN106988695A (zh) * 2017-03-07 2017-07-28 深圳海力德油田技术开发有限公司 一种连续油管悬挂器
CN107503718B (zh) * 2017-09-22 2024-04-26 中国石油天然气集团有限公司 井下节流器
CN109339733B (zh) * 2018-11-29 2020-07-28 江苏新彩阳机电技术有限公司 一种小径悬挂堵塞器
CN112901108A (zh) * 2021-02-03 2021-06-04 江苏航天鸿鹏数控机械有限公司 一种用于石油天然气、煤层气增产压裂的封隔器

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
CA938219A (en) 1973-12-11
US3645334A (en) 1972-02-29
DE2116881A1 (de) 1971-10-21
GB1334771A (en) 1973-10-24

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