DE602004012779D1 - Stopfen mit einem hydraulikzylinder und verfahren zum setzen und freigeben eines stopfens - Google Patents
Stopfen mit einem hydraulikzylinder und verfahren zum setzen und freigeben eines stopfensInfo
- Publication number
- DE602004012779D1 DE602004012779D1 DE602004012779T DE602004012779T DE602004012779D1 DE 602004012779 D1 DE602004012779 D1 DE 602004012779D1 DE 602004012779 T DE602004012779 T DE 602004012779T DE 602004012779 T DE602004012779 T DE 602004012779T DE 602004012779 D1 DE602004012779 D1 DE 602004012779D1
- Authority
- DE
- Germany
- Prior art keywords
- stopping
- hydraulic cylinder
- line
- pump
- releasing
- 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.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow from or in pipes or hoses
- F16L55/12—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ
- F16L55/128—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose
- F16L55/132—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose the closure device being a plug fixed by radially deforming the packing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
- F15B11/042—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the feed line, i.e. "meter in"
- F15B11/0423—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the feed line, i.e. "meter in" by controlling pump output or bypass, other than to maintain constant speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow from or in pipes or hoses
- F16L55/12—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ
- F16L55/128—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose
- F16L55/136—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose the closure device being a plug fixed by radially expanding or deforming a split ring, hooks or the like
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fluid-Pressure Circuits (AREA)
- Soil Working Implements (AREA)
- Actuator (AREA)
- Stored Programmes (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Harvester Elements (AREA)
- Lifting Devices For Agricultural Implements (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO20035587A NO320317B1 (no) | 2003-12-15 | 2003-12-15 | Kontrollsystem for hydraulisk sylinder, plugg med en hydraulisk sylinder, samt fremgangsmate for setting og frigjoring av en plugg |
PCT/NO2004/000384 WO2005057020A1 (en) | 2003-12-15 | 2004-12-13 | Control system for hydraulic cylinder, plug with a hydraulic cylinder and methods for setting and releasing a plug |
Publications (1)
Publication Number | Publication Date |
---|---|
DE602004012779D1 true DE602004012779D1 (de) | 2008-05-08 |
Family
ID=31885155
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602004012779T Active DE602004012779D1 (de) | 2003-12-15 | 2004-12-13 | Stopfen mit einem hydraulikzylinder und verfahren zum setzen und freigeben eines stopfens |
Country Status (6)
Country | Link |
---|---|
US (1) | US20070107790A1 (de) |
EP (1) | EP1711713B1 (de) |
AT (1) | ATE390564T1 (de) |
DE (1) | DE602004012779D1 (de) |
NO (1) | NO320317B1 (de) |
WO (1) | WO2005057020A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8307856B2 (en) * | 2007-11-07 | 2012-11-13 | Tdw Delaware Inc. | Double block and bleed plug |
CN104390091B (zh) * | 2014-10-10 | 2016-01-20 | 蔡多谋 | 自密封自锁紧水压涨塞 |
CN109780363A (zh) * | 2017-11-14 | 2019-05-21 | 中国石油天然气集团公司 | 一种封堵装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4272984A (en) * | 1979-05-18 | 1981-06-16 | Interprovincial Steel And Pipe Corporation, Ltd. | Pipeline leak detection method and control device therefor |
US4352394A (en) * | 1980-08-01 | 1982-10-05 | Trw Inc. | Cable-suspended well pumping systems |
US4332277A (en) * | 1980-09-03 | 1982-06-01 | Hughes Undersea Coupling, Inc. | Pipeline pigging plug |
US4465104A (en) * | 1981-02-27 | 1984-08-14 | Hughes Tool Company | Pressure energized pipeline plug |
US4422477A (en) * | 1981-02-27 | 1983-12-27 | Hughes Tool Company | Pressure energized pipeline plug |
CA1292704C (en) * | 1987-04-07 | 1991-12-03 | Douglas C. Campbell | Pipeline packer |
US4875615A (en) * | 1989-03-06 | 1989-10-24 | Interprovincial Pipe Line Company | Vapor plug for temporarily sealing or plugging a pipeline |
US5029614A (en) * | 1989-03-20 | 1991-07-09 | Atlantic Richfield Company | Tandem seal system for testing pipelines |
US5924454A (en) * | 1996-01-29 | 1999-07-20 | Canadian Fracmaster Ltd. | Isolation tool |
DE19631804B4 (de) * | 1996-07-10 | 2010-02-25 | Bosch Rexroth Aktiengesellschaft | Hydraulische Hubeinrichtung |
IES20020089A2 (en) * | 2002-02-08 | 2003-08-20 | Carsphairn Ltd | An improved pipeline isolation tool |
-
2003
- 2003-12-15 NO NO20035587A patent/NO320317B1/no not_active IP Right Cessation
-
2004
- 2004-12-13 US US10/583,112 patent/US20070107790A1/en not_active Abandoned
- 2004-12-13 EP EP04808878A patent/EP1711713B1/de active Active
- 2004-12-13 DE DE602004012779T patent/DE602004012779D1/de active Active
- 2004-12-13 AT AT04808878T patent/ATE390564T1/de not_active IP Right Cessation
- 2004-12-13 WO PCT/NO2004/000384 patent/WO2005057020A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
EP1711713B1 (de) | 2008-03-26 |
NO20035587L (no) | 2005-06-16 |
EP1711713A1 (de) | 2006-10-18 |
NO320317B1 (no) | 2005-11-21 |
US20070107790A1 (en) | 2007-05-17 |
ATE390564T1 (de) | 2008-04-15 |
NO20035587D0 (no) | 2003-12-15 |
WO2005057020A1 (en) | 2005-06-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |