DE60226647D1 - Bidirektionale schubzylindermolchvorrichtung und verwendungsverfahren dafür - Google Patents

Bidirektionale schubzylindermolchvorrichtung und verwendungsverfahren dafür

Info

Publication number
DE60226647D1
DE60226647D1 DE60226647T DE60226647T DE60226647D1 DE 60226647 D1 DE60226647 D1 DE 60226647D1 DE 60226647 T DE60226647 T DE 60226647T DE 60226647 T DE60226647 T DE 60226647T DE 60226647 D1 DE60226647 D1 DE 60226647D1
Authority
DE
Germany
Prior art keywords
flow
bores
fluid
pipeline
bore
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 - Fee Related
Application number
DE60226647T
Other languages
English (en)
Inventor
James R Crawford
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.)
Superior Energy Services LLC
Original Assignee
Superior Energy Services LLC
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
Priority claimed from US10/068,782 external-priority patent/US6561280B1/en
Application filed by Superior Energy Services LLC filed Critical Superior Energy Services LLC
Application granted granted Critical
Publication of DE60226647D1 publication Critical patent/DE60226647D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/18—Anchoring or feeding in the borehole
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1014—Flexible or expansible centering means, e.g. with pistons pressing against the 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1057—Centralising devices with rollers or with a relatively rotating sleeve
    • 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
    • E21B23/00—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells
    • E21B23/08—Introducing or running tools by fluid pressure, e.g. through-the-flow-line tool systems
    • 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
    • E21B37/00—Methods or apparatus for cleaning boreholes or wells
DE60226647T 2002-02-05 2002-11-05 Bidirektionale schubzylindermolchvorrichtung und verwendungsverfahren dafür Expired - Fee Related DE60226647D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/068,782 US6561280B1 (en) 1997-11-21 2002-02-05 Method of injecting tubing down pipelines
US10/114,439 US6651744B1 (en) 1997-11-21 2002-04-02 Bi-directional thruster pig apparatus and method of utilizing same
PCT/US2002/035497 WO2003067016A2 (en) 2002-02-05 2002-11-05 Bi-directional thruster pig apparatus and method of utilizing same

Publications (1)

Publication Number Publication Date
DE60226647D1 true DE60226647D1 (de) 2008-06-26

Family

ID=27736796

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60226647T Expired - Fee Related DE60226647D1 (de) 2002-02-05 2002-11-05 Bidirektionale schubzylindermolchvorrichtung und verwendungsverfahren dafür

Country Status (14)

Country Link
US (2) US6651744B1 (de)
EP (1) EP1497526B1 (de)
CN (1) CN100507203C (de)
AT (1) ATE395497T1 (de)
AU (1) AU2002360342B2 (de)
BR (1) BR0215589B1 (de)
CA (1) CA2473496C (de)
DE (1) DE60226647D1 (de)
EA (1) EA005916B1 (de)
MX (1) MXPA04007534A (de)
NO (1) NO336007B1 (de)
NZ (1) NZ534497A (de)
OA (1) OA12766A (de)
WO (1) WO2003067016A2 (de)

Families Citing this family (75)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6651744B1 (en) * 1997-11-21 2003-11-25 Superior Services, Llc Bi-directional thruster pig apparatus and method of utilizing same
NO316295B1 (no) * 2002-05-07 2004-01-05 Agr Group As Fremgangsmåte og anordning for fjerning av en hydratplugg
CA2420476C (en) * 2003-02-28 2010-07-27 Robert Bonthron Durward Method and apparatus for enhancing fluid velocities in pipelines
US7003838B2 (en) * 2003-03-31 2006-02-28 Oceaneering International, Inc. Hydraulic pig advance system comprising a control volume chamber containing hydraulic fluid and a force transmitting member
US7273108B2 (en) * 2004-04-01 2007-09-25 Bj Services Company Apparatus to allow a coiled tubing tractor to traverse a horizontal wellbore
GB2434819B (en) * 2004-04-01 2008-11-05 Bj Services Co Apparatus to facilitate a coiled tubing tractor to traverse a horizontal wellbore
US7172026B2 (en) 2004-04-01 2007-02-06 Bj Services Company Apparatus to allow a coiled tubing tractor to traverse a horizontal wellbore
US7178588B2 (en) * 2004-05-10 2007-02-20 Tom Harper Flexible cup for downhole devices
NO322819B1 (no) * 2004-06-24 2006-12-11 Statoil Asa Fremgangsmate for a fjerne avsetninger som for eksempel hydratplugger
NO321494B1 (no) * 2004-06-24 2006-05-15 Statoil Asa Skyvkraftplugg
US7815744B2 (en) * 2004-11-30 2010-10-19 Halliburton Energy Services, Inc. Methods for moving a pig through a pipeline using a chemical reaction to generate a high volume of gas
US7434627B2 (en) 2005-06-14 2008-10-14 Weatherford/Lamb, Inc. Method and apparatus for friction reduction in a downhole tool
US7828903B2 (en) * 2006-05-18 2010-11-09 Earth Tool Company Llc Method and apparatus for removing tuberculation from sanitary water pipelines
US7690436B2 (en) 2007-05-01 2010-04-06 Weatherford/Lamb Inc. Pressure isolation plug for horizontal wellbore and associated methods
EP2067926A1 (de) * 2007-12-04 2009-06-10 Bp Exploration Operating Company Limited Verfahren zur Entfernung eines Hydratsteckers aus einer Flussleitung
US7987906B1 (en) 2007-12-21 2011-08-02 Joseph Troy Well bore tool
US7905280B2 (en) * 2008-02-12 2011-03-15 Baker Hughes Incorporated Self adjusting debris excluder sub
US8091573B2 (en) 2008-04-17 2012-01-10 Bp Corporation North America Inc. Pipeline intervention
GB0911672D0 (en) * 2009-07-06 2009-08-12 Tunget Bruce A Through tubing cable rotary system
US20100212914A1 (en) * 2009-02-20 2010-08-26 Smith International, Inc. Hydraulic Installation Method and Apparatus for Installing a Submersible Pump
FI121636B (fi) * 2009-03-03 2011-02-15 Vaakaporauspalvelu Vpp Oy Menetelmä maaperään jäävän putkiston sijoittamiseksi maaperään
GB2473595B (en) * 2009-06-09 2013-11-06 Balfour Beatty Plc Live pipe cleaning pig with centre bore
DK2279802T3 (da) * 2009-07-27 2012-05-14 Welltec As Fremdrivningsanordning
EP2459842B1 (de) * 2009-07-28 2014-03-12 Halliburton Energy Services, Inc. Reinigungswerkzeug für ein bohrloch
JP5526310B2 (ja) * 2009-08-11 2014-06-18 ウラカミ合同会社 配管内作業装置および方法
US20110061681A1 (en) * 2009-09-16 2011-03-17 Andrew Brian Cassidy Pipeline Pig with Rupture Disc
NO331192B1 (no) * 2009-10-07 2011-10-31 Innovar Engineering As Trykksatt rotasjonsmuffe
DK177312B1 (en) 2009-11-24 2012-11-19 Maersk Olie & Gas Apparatus and system and method for measuring data in a well propagating below the surface
US8316500B2 (en) * 2009-12-14 2012-11-27 Tdw Delaware, Inc. Bidirectional bristle pig with sliding collar
WO2011084042A1 (en) * 2010-01-11 2011-07-14 Kingtime International Limited Process and means for removal of wax deposits in hydrocarbon pipelines
US8479821B2 (en) * 2010-03-03 2013-07-09 James (Jim Bob) R. Crawford Method and apparatus for removal of pigs, deposits and other debris from pipelines and wellbores
US7979944B1 (en) * 2010-03-23 2011-07-19 Bluewater Pipeline Solutions LLC Tubular cleaning device
US8316501B1 (en) * 2010-03-23 2012-11-27 Blue Water Pipeline Solutions, LLC Tubular cleaning device
EP2372206A1 (de) 2010-03-24 2011-10-05 BP Exploration Operating Company Limited Zwischenrohr
NO336372B1 (no) 2010-05-20 2015-08-10 Steffensen William Fremgangsmåte og anordning for fjerning av hydratplugger
US20120048312A1 (en) * 2010-08-25 2012-03-01 Slider LLC Pipe cleaning assembly
EP2422890B8 (de) * 2010-08-31 2013-05-15 NOV Mission Products UK Ltd Molch-Empfangschleuse
US8707498B2 (en) * 2010-10-26 2014-04-29 Amcol International Corp. Multifunctional cleaning tool
US20120211229A1 (en) * 2011-02-18 2012-08-23 Fielder Lance I Cable deployed downhole tubular cleanout system
US8807210B2 (en) * 2011-04-01 2014-08-19 Halliburton Energy Services, Inc. Downhole tool with pumpable section
US8695695B2 (en) 2011-04-01 2014-04-15 Halliburton Energy Services, Inc. Downhole tool with pumpable section
US9739113B2 (en) * 2012-01-16 2017-08-22 Schlumberger Technology Corporation Completions fluid loss control system
US9598929B2 (en) 2012-01-16 2017-03-21 Schlumberger Technology Corporation Completions assembly with extendable shifting tool
US8931558B1 (en) 2012-03-22 2015-01-13 Full Flow Technologies, Llc Flow line cleanout device
US8950513B2 (en) 2012-10-03 2015-02-10 Matthew Montgomery Apparatus and methods for controlling drill string vibrations and applying a force to a drill bit
US9534463B2 (en) 2012-10-09 2017-01-03 W. Lynn Frazier Pump down tool
CN102943661B (zh) * 2012-10-10 2015-07-29 中国海洋石油总公司 一种泵冲用推进器及生产测井设备
US9097084B2 (en) 2012-10-26 2015-08-04 Schlumberger Technology Corporation Coiled tubing pump down system
GB2509336B (en) * 2012-12-31 2014-11-19 Paradigm Flow Services Ltd Apparatus for hydrocarbon operations and method of use
US9211572B2 (en) 2013-03-05 2015-12-15 Horizon Systems, Inc. System and method for sanitizing pneumatic conveying piping
US9395027B2 (en) 2013-05-17 2016-07-19 Benton Baugh Bend protector for a pipeline bend
US20140338139A1 (en) * 2013-05-17 2014-11-20 Benton Frederick Baugh Pipeline Service Pig with Floating Seal Carriers
US10018016B2 (en) 2014-07-18 2018-07-10 Advanced Wireline Technologies, Llc Wireline fluid blasting tool and method
WO2016187420A1 (en) 2015-05-21 2016-11-24 Thru Tubing Solutions, Inc. Advancement of a tubular string into a wellbore
CN104879604B (zh) * 2015-06-05 2017-03-15 周庆涛 管道快速封堵列车
US10400523B1 (en) 2015-10-23 2019-09-03 Google Llc Drill coil and method of coiled tube drilling
US20170130569A1 (en) * 2015-11-10 2017-05-11 Michael Sequino System for forming a horizontal well for environmental remediation and method of operation
CN105546276A (zh) * 2016-02-25 2016-05-04 江苏科技大学 一种可传递扭矩的柔性杆
CN105710093A (zh) * 2016-04-21 2016-06-29 安徽意力电缆有限公司 一种自驱式电缆排管清理器
CN105781491B (zh) * 2016-04-26 2018-05-22 重庆科技学院 除蜡清管器
US9995110B2 (en) * 2016-06-29 2018-06-12 Peter Kris Cleven Methods and systems for stimulating and restimulating a well
CN106733964B (zh) * 2017-01-12 2018-12-11 锐驰高科股份有限公司 废弃原油管道无害化清洗工艺
CA2998777A1 (en) 2017-03-28 2018-09-28 Pep Energy Systems Ltd. Bidirectional electromagnetic propelled thrusters reciprocating independently within a tubular
US10625313B2 (en) 2017-06-16 2020-04-21 Benton Frederick Baugh Method of releasing a pig after pipeline remediation
US10533696B2 (en) 2017-06-16 2020-01-14 Benton Frederick Baugh Method of providing a latch for pipeline remediation
CN110469296B (zh) * 2018-05-10 2021-08-31 中国石油天然气股份有限公司 油井井筒解堵装置
CA3053711C (en) * 2018-08-30 2024-01-02 Avalon Research Ltd. Plug for a coiled tubing string
NO20210526A1 (en) * 2018-12-04 2021-04-28 Halliburton Energy Services Inc Jetting device for wellbore annulus
CN110566754B (zh) * 2019-09-11 2021-06-04 大连海事大学 一种压差式管道机器人运动控制装置
CN111185447A (zh) * 2020-02-28 2020-05-22 诸暨市诺达机械科技有限公司 一种弹性细水管内壁污垢清洁设备
CN112620259B (zh) * 2020-10-21 2022-04-12 潍坊嘉腾液压技术有限公司 一种管路清洗装置及清洗方法
US11434701B2 (en) 2020-11-23 2022-09-06 Schlumberger Technology Corporation Multi-diameter thrust cups
US11407015B1 (en) 2021-05-08 2022-08-09 Benton Frederick Baugh Method of using pipeline flow for pipeline cleaning
CN113477638B (zh) * 2021-07-21 2022-08-26 大庆市欣正科技发展有限公司 一种管道垢质清洗橇
CN113775853A (zh) * 2021-09-28 2021-12-10 长庆实业集团有限公司 一种出油管道堵点定位装置

Family Cites Families (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1281756A (en) 1918-10-15 William L Black Antifriction hollow-tube sucker-rod for deep wells.
US712901A (en) 1901-11-07 1902-11-04 William L Black Antifriction device for sucker-rods and couplings.
US712486A (en) 1902-02-06 1902-11-04 William Leslie Black Antifriction device for sucker-rods.
US712487A (en) 1902-02-06 1902-11-04 William Leslie Black Antifriction device for sucker-rods.
US712488A (en) 1902-03-25 1902-11-04 William L Black Antifrictin device for sucker-rods or the like.
US879822A (en) 1907-03-15 1908-02-18 J P Karns Tunneling Machine Co Sink-shaft drill.
US1801294A (en) 1928-02-23 1931-04-21 Frank W Sutton Sucker-rod guide
US1913365A (en) 1929-01-05 1933-06-13 Carol Supplies Inc Antifriction bearing
US1919204A (en) * 1930-10-22 1933-07-25 Walter L Decker Heater
US1941773A (en) * 1933-01-17 1934-01-02 William H Wright Electric battery connection
US2887118A (en) 1955-02-02 1959-05-19 Thornhill Craver Company Inc Pipe cleaning devices
US3089434A (en) 1958-09-22 1963-05-14 Andreasen Aage Carl Holger Conduit tractor
GB894117A (en) 1959-10-26 1962-04-18 Halliburton Tucker Ltd Improvements relating to means for lowering equipment into oil wells
US3056155A (en) 1960-07-18 1962-10-02 Mission Mfg Co Pipe treating apparatus
US3379027A (en) 1965-03-30 1968-04-23 Exxon Research Engineering Co Roller-supported lng pipeline
US3346045A (en) 1965-05-20 1967-10-10 Exxon Production Research Co Operation in a submarine well
US3467196A (en) 1966-07-18 1969-09-16 Chevron Res Method for running tubing using fluid pressure
US3402777A (en) 1967-07-03 1968-09-24 Watson Mfg Company Kelly stabilization systems
US3495546A (en) 1967-11-03 1970-02-17 American Mach & Foundry Speed control device for pipeline inspection apparatus
US3525401A (en) 1968-08-12 1970-08-25 Exxon Production Research Co Pumpable plastic pistons and their use
US3729057A (en) 1971-11-30 1973-04-24 Werner Ind Inc Travelling drill bit
US3763896A (en) 1972-01-07 1973-10-09 Airrigation Eng Plugging a home service sewer line
US3827487A (en) 1973-04-30 1974-08-06 Baker Oil Tools Inc Tubing injector and stuffing box construction
US4073302A (en) 1977-01-18 1978-02-14 Jones Thomas E Cleaning apparatus for sewer pipes and the like
US4360290A (en) 1980-12-17 1982-11-23 Shell Oil Company Internal pipeline plug for deep subsea pipe-to-pipe pull-in connection operations
US4585061A (en) 1983-10-18 1986-04-29 Hydra-Rig Incorporated Apparatus for inserting and withdrawing coiled tubing with respect to a well
FR2575515B1 (fr) 1984-12-28 1988-11-10 Inst Francais Du Petrole Dispositif propulse par pression hydraulique permettant des mesures et des interventions en cours d'injection ou de production dans un puits devie
DE3612498A1 (de) 1986-04-14 1987-10-29 Norske Stats Oljeselskap Selbstfahrendes fahrzeug fuer rohrleitungen
US4756510A (en) 1986-08-11 1988-07-12 Atlantic Richfield Company Method and system for installing fiber optic cable and the like in fluid transmission pipelines
NL8800894A (nl) 1988-04-07 1989-11-01 Smit Offshore Contractors Werkwijze voor het thermisch isoleren van samengestelde pijpleidingen onder water en aldus geisoleerde pijpleiding.
JPH02128094A (ja) 1988-11-09 1990-05-16 Sumitomo Electric Ind Ltd 圧入無排土式管体埋設機の元押装置
US5069285A (en) 1988-12-14 1991-12-03 Nuckols Thomas E Dual wall well development tool
US4919204A (en) 1989-01-19 1990-04-24 Otis Engineering Corporation Apparatus and methods for cleaning a well
US5156220A (en) 1990-08-27 1992-10-20 Baker Hughes Incorporated Well tool with sealing means
US5188174A (en) 1991-04-03 1993-02-23 Stewart & Stevenson Services, Inc. Apparatus for inserting and withdrawing coil tubing into a well
US5208936A (en) 1991-05-09 1993-05-11 Campbell Douglas C Variable speed pig for pipelines
GB9111381D0 (en) 1991-05-25 1991-07-17 Petroline Wireline Services Centraliser
US5309990A (en) 1991-07-26 1994-05-10 Hydra-Rig, Incorporated Coiled tubing injector
US5209304A (en) 1991-08-16 1993-05-11 Western Atlas International, Inc. Propulsion apparatus for positioning selected tools in tubular members
US5180009A (en) 1991-10-28 1993-01-19 William Sneed Wireline delivery tool
JPH05161884A (ja) 1991-12-12 1993-06-29 Nkk Corp 逆走式クリーニングピグ
US5361856A (en) 1992-09-29 1994-11-08 Halliburton Company Well jetting apparatus and met of modifying a well therewith
US5316094A (en) 1992-10-20 1994-05-31 Camco International Inc. Well orienting tool and/or thruster
GB2275981B (en) 1993-03-10 1997-03-12 British Gas Plc Apparatus and method for introducing sealant into a clearance
AU6412494A (en) 1993-04-07 1994-10-24 Marathon Oil Company High angle and horizontal wellbore centralizer and method of use
US5429194A (en) 1994-04-29 1995-07-04 Western Atlas International, Inc. Method for inserting a wireline inside coiled tubing
US5447200A (en) 1994-05-18 1995-09-05 Dedora; Garth Method and apparatus for downhole sand clean-out operations in the petroleum industry
US5445224A (en) 1994-09-01 1995-08-29 Comeaux; Luther R. Hydrostatic control valve
US5695009A (en) 1995-10-31 1997-12-09 Sonoma Corporation Downhole oil well tool running and pulling with hydraulic release using deformable ball valving member
DE69635360T2 (de) 1995-04-27 2006-07-27 Weatherford/Lamb, Inc., Houston Nicht-rotierender Zentrierkorb
US5845711A (en) 1995-06-02 1998-12-08 Halliburton Company Coiled tubing apparatus
US5566764A (en) 1995-06-16 1996-10-22 Elliston; Tom Improved coil tubing injector unit
US5692563A (en) 1995-09-27 1997-12-02 Western Well Tool, Inc. Tubing friction reducer
GB9606673D0 (en) 1996-03-29 1996-06-05 Sensor Dynamics Ltd Apparatus for the remote measurement of physical parameters
US6315498B1 (en) 1997-11-21 2001-11-13 Superior Energy Services, Llc Thruster pig apparatus for injecting tubing down pipelines
US6651744B1 (en) * 1997-11-21 2003-11-25 Superior Services, Llc Bi-directional thruster pig apparatus and method of utilizing same
US6250387B1 (en) * 1998-03-25 2001-06-26 Sps-Afos Group Limited Apparatus for catching debris in a well-bore
CA2327979A1 (en) * 2000-12-11 2002-06-11 Donald D. Savard Layered scraper cup (lsc)

Also Published As

Publication number Publication date
MXPA04007534A (es) 2005-12-05
CN100507203C (zh) 2009-07-01
EA005916B1 (ru) 2005-06-30
CA2473496C (en) 2009-01-20
CA2473496A1 (en) 2003-08-14
EP1497526A4 (de) 2006-03-08
NO336007B1 (no) 2015-04-20
OA12766A (en) 2006-07-04
BR0215589A (pt) 2005-03-22
EA200401029A1 (ru) 2004-12-30
NO20043678L (no) 2004-09-13
AU2002360342A1 (en) 2003-09-02
US6651744B1 (en) 2003-11-25
EP1497526B1 (de) 2008-05-14
AU2002360342B2 (en) 2007-10-18
US7025142B2 (en) 2006-04-11
EP1497526A2 (de) 2005-01-19
NZ534497A (en) 2006-04-28
ATE395497T1 (de) 2008-05-15
BR0215589B1 (pt) 2012-05-15
WO2003067016A2 (en) 2003-08-14
US20040118565A1 (en) 2004-06-24
WO2003067016A3 (en) 2004-10-28
CN1639440A (zh) 2005-07-13

Similar Documents

Publication Publication Date Title
DE60226647D1 (de) Bidirektionale schubzylindermolchvorrichtung und verwendungsverfahren dafür
CA2510919A1 (en) Plunger actuated pumping system
CA2508270A1 (en) Wear rings for downhole pump
MXPA05000603A (es) Montaje de valvula aireadora accionado por presion positiva.
CN103069162B (zh) 液压致动的往复泵
TW200519304A (en) Adjustable-length compression spring
EP1326030A3 (de) Aktiver, mit hydraulischem Fluid arbeitender Fahrzeugaufhängungsdämpfer
MX2020012517A (es) Valvula de seguridad electrica con activacion por presion de pozo.
US5385172A (en) Ping-free water hammer arrester
WO2003038228A3 (en) Tubing hanger with ball valve
EP1167152A3 (de) ECP - Verteilerblockventileinsätze
US4496161A (en) Radially extensible joint packing with O-ring
WO2009050030A3 (fr) Dispositif de commande d ' un outil gonflable
MX2018014207A (es) Mejoras en o relacionadas con sistemas de suministro de resina.
BRPI0409556A (pt) arranjo/método de amortecimento de pertubação de pressão de fluido, dispositivo de atuação acionado por fluido e arranjo de direção hidráulica para um veìculo
GB9218568D0 (en) Drill string anchor
TNSN04142A1 (en) Bi-directional thruster pig apparatus and method of utilizing same
ATE335947T1 (de) Druckbegrenzungsventil
US1134656A (en) Lubricating apparatus.
SE0400390L (sv) Metod för genering av tryckpulser, tryckpulsgenerator och en med en sådan försedd kolvmotor
US991977A (en) Equalizing device.
CN2165304Y (zh) 新型地下管道铺设机
UA5725U (uk) Пристрій для переміщення у підземному просторі
CA2112147C (en) Ping-free water hammer arrester
RU72267U1 (ru) Клапан предохранительный

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee