BR7102065D0 - Aparelho obturador de pocos - Google Patents
Aparelho obturador de pocosInfo
- 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
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)
- Details Of Valves (AREA)
- Piles And Underground Anchors (AREA)
- Transmission Of Braking Force In Braking Systems (AREA)
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)
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 |
DE602007013625D1 (de) * | 2007-05-07 | 2011-05-12 | Jan Noord | Dichtungsvorrichtung und verfahren zur abdichtung einer verrohrung |
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)
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 |
-
1970
- 1970-04-07 US US26384A patent/US3645334A/en not_active Expired - Lifetime
-
1971
- 1971-03-29 CA CA109008A patent/CA938219A/en not_active Expired
- 1971-04-06 BR BR2065/71A patent/BR7102065D0/pt unknown
- 1971-04-06 DE DE19712116881 patent/DE2116881A1/de active Pending
- 1971-04-19 GB GB993571*[A patent/GB1334771A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3645334A (en) | 1972-02-29 |
DE2116881A1 (de) | 1971-10-21 |
GB1334771A (en) | 1973-10-24 |
CA938219A (en) | 1973-12-11 |
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