ATE511596T1 - Vorrichtung und verfahren zum abtrennen eines bohrlochrohrs - Google Patents

Vorrichtung und verfahren zum abtrennen eines bohrlochrohrs

Info

Publication number
ATE511596T1
ATE511596T1 AT06820703T AT06820703T ATE511596T1 AT E511596 T1 ATE511596 T1 AT E511596T1 AT 06820703 T AT06820703 T AT 06820703T AT 06820703 T AT06820703 T AT 06820703T AT E511596 T1 ATE511596 T1 AT E511596T1
Authority
AT
Austria
Prior art keywords
separating
wellbore tubular
borehole pipe
borehole
pipe
Prior art date
Application number
AT06820703T
Other languages
English (en)
Inventor
Frank Benjamin Springett
James Dennis Brugman
Original Assignee
Nat Oilwell Varco Lp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=37835262&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE511596(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nat Oilwell Varco Lp filed Critical Nat Oilwell Varco Lp
Application granted granted Critical
Publication of ATE511596T1 publication Critical patent/ATE511596T1/de

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00Sealing or packing boreholes or wells
    • E21B33/02Surface sealing or packing
    • E21B33/03Well heads; Setting-up thereof
    • E21B33/06Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
    • E21B33/061Ram-type blow-out preventers, e.g. with pivoting rams
    • E21B33/062Ram-type blow-out preventers, e.g. with pivoting rams with sliding rams
    • E21B33/063Ram-type blow-out preventers, e.g. with pivoting rams with sliding rams for shearing drill pipes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24777Edge feature
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/04Processes
    • Y10T83/0581Cutting part way through from opposite sides of work
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/04Processes
    • Y10T83/0596Cutting wall of hollow work
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/748With work immobilizer
    • Y10T83/7487Means to clamp work
    • Y10T83/7493Combined with, peculiarly related to, other element
    • Y10T83/75With or to tool guide
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/929Tool or tool with support
    • Y10T83/9411Cutting couple type
    • Y10T83/9447Shear type

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)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Lubricants (AREA)
  • Shearing Machines (AREA)
  • Sawing (AREA)
  • Scissors And Nippers (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Processing Of Solid Wastes (AREA)
  • Turning (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Ceramic Products (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
AT06820703T 2006-04-25 2006-12-27 Vorrichtung und verfahren zum abtrennen eines bohrlochrohrs ATE511596T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/411,203 US7367396B2 (en) 2006-04-25 2006-04-25 Blowout preventers and methods of use
PCT/GB2006/050478 WO2007122365A1 (en) 2006-04-25 2006-12-27 Apparatus and method for severing a wellbore tubular

Publications (1)

Publication Number Publication Date
ATE511596T1 true ATE511596T1 (de) 2011-06-15

Family

ID=37835262

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06820703T ATE511596T1 (de) 2006-04-25 2006-12-27 Vorrichtung und verfahren zum abtrennen eines bohrlochrohrs

Country Status (12)

Country Link
US (5) US7367396B2 (de)
EP (4) EP2400110B1 (de)
CN (1) CN101427003B (de)
AT (1) ATE511596T1 (de)
AU (1) AU2006342770A1 (de)
BR (1) BRPI0621572A2 (de)
CA (3) CA2649771C (de)
DK (2) DK2400109T3 (de)
NO (3) NO340135B1 (de)
PL (3) PL2400110T3 (de)
RU (1) RU2401935C2 (de)
WO (1) WO2007122365A1 (de)

Families Citing this family (96)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8720565B2 (en) * 2006-04-25 2014-05-13 National Oilwell Varco, L.P. Tubular severing system and method of using same
US8424607B2 (en) 2006-04-25 2013-04-23 National Oilwell Varco, L.P. System and method for severing a tubular
US8720564B2 (en) * 2006-04-25 2014-05-13 National Oilwell Varco, L.P. Tubular severing system and method of using same
US7367396B2 (en) 2006-04-25 2008-05-06 Varco I/P, Inc. Blowout preventers and methods of use
US20080105436A1 (en) * 2006-11-02 2008-05-08 Schlumberger Technology Corporation Cutter Assembly
US20170282263A1 (en) * 2007-05-16 2017-10-05 John J. Khoury Tubular cutting apparatus
US20120291606A1 (en) * 2007-05-16 2012-11-22 Khoury John J Tubular cutting apparatus
US20080282857A1 (en) * 2007-05-16 2008-11-20 Khoury John J Cutting machine for use in removing damaged oilfield rigs and equipment located in offshore waters, and method of using same
CN101519952A (zh) * 2008-02-25 2009-09-02 普拉德研究及开发股份有限公司 刀具组件
US8844898B2 (en) 2009-03-31 2014-09-30 National Oilwell Varco, L.P. Blowout preventer with ram socketing
US8567490B2 (en) 2009-06-19 2013-10-29 National Oilwell Varco, L.P. Shear seal blowout preventer
US8720584B2 (en) 2011-02-24 2014-05-13 Foro Energy, Inc. Laser assisted system for controlling deep water drilling emergency situations
US8783360B2 (en) 2011-02-24 2014-07-22 Foro Energy, Inc. Laser assisted riser disconnect and method of use
US8684088B2 (en) 2011-02-24 2014-04-01 Foro Energy, Inc. Shear laser module and method of retrofitting and use
US8783361B2 (en) 2011-02-24 2014-07-22 Foro Energy, Inc. Laser assisted blowout preventer and methods of use
US8166993B2 (en) * 2009-09-03 2012-05-01 Hydril Usa Manufacturing Llc Method and systems for using a shim plate for increased strength
US8833220B1 (en) * 2009-09-16 2014-09-16 II Woodrow A. Powers Knife assembly for a trimming machine
US8573598B2 (en) * 2009-09-17 2013-11-05 Diamond Power International, Inc. Sootblower isolation wall box
US8225857B2 (en) * 2009-11-25 2012-07-24 Hydril Usa Manufacturing Llc Breech lock mechanisms for blowout preventer and method
US8439327B2 (en) * 2009-12-21 2013-05-14 Hydril Usa Manufacturing Llc Shear block and blade interface and method
BR112012030131B1 (pt) * 2010-05-28 2021-03-23 National Oilwell Varco, L.P. Válvula de proteção contra explosões para cortar uma estrutura tubular de um poço de perfuração, método para cortar uma estrutura tubular e ferramenta de corte para cortar uma estrutura tubular de um poço de perfuração
US8540017B2 (en) 2010-07-19 2013-09-24 National Oilwell Varco, L.P. Method and system for sealing a wellbore
US8544538B2 (en) 2010-07-19 2013-10-01 National Oilwell Varco, L.P. System and method for sealing a wellbore
US8162046B2 (en) * 2010-08-17 2012-04-24 T-3 Property Holdings, Inc. Blowout preventer with shearing blades
SG10201408400TA (en) * 2010-09-17 2015-01-29 Nat Oilwell Varco Lp Casing Friendly, Shearable Hardbands And Systems And Methods For Shearing Same
US8807219B2 (en) 2010-09-29 2014-08-19 National Oilwell Varco, L.P. Blowout preventer blade assembly and method of using same
US9175538B2 (en) * 2010-12-06 2015-11-03 Hydril USA Distribution LLC Rechargeable system for subsea force generating device and method
GB2502898B (en) * 2011-01-04 2014-12-24 Aker Subsea As Gate Valve Assembly
US9045961B2 (en) 2011-01-31 2015-06-02 National Oilwell Varco, L.P. Blowout preventer seal and method of using same
US8632047B2 (en) * 2011-02-02 2014-01-21 Hydril Usa Manufacturing Llc Shear blade geometry and method
US8505870B2 (en) * 2011-02-02 2013-08-13 Hydril Usa Manufacturing Llc Shear blade geometry and method
KR20150092371A (ko) 2011-03-09 2015-08-12 내셔널 오일웰 바르코 엘.피. 유정 보어를 밀봉하기 위한 방법 및 장치
NO332669B1 (no) * 2011-05-16 2012-12-03 Smart Installations As Kutteanordning, sikkerhetsventil, fremgangsmate samt anvendelser for avkutting av en rorstrengrelatert gjenstand i en sikkerhetsventil for en bronn
CA2838042A1 (en) 2011-06-08 2012-12-13 Axon Ep, Inc. Improved blowout preventer
US8464785B2 (en) * 2011-06-14 2013-06-18 Hydril Usa Manufacturing Llc Pipe guide arms for blind shear rams
EP2726699B1 (de) 2011-06-29 2015-07-15 National Oilwell Varco, L.P. Blowout-preventer dichtungskonstruktion und verfahren der verwendung
US20130153204A1 (en) * 2011-12-20 2013-06-20 Hydril Usa Manufacturing Llc Ram bop shear blade process to enhance the toughness
US9068423B2 (en) 2012-02-03 2015-06-30 National Oilwell Varco, L.P. Wellhead connector and method of using same
US9074450B2 (en) 2012-02-03 2015-07-07 National Oilwell Varco, L.P. Blowout preventer and method of using same
US20140182441A1 (en) * 2012-03-23 2014-07-03 Philip J Pisczak Cutter dies
EP2834447B1 (de) 2012-04-05 2019-12-11 National Oilwell Varco, L.P. Bohrlochverbinder mit kolbengetriebenen klemmhülsen und verfahren zur verwendung davon
CA2868526C (en) 2012-04-10 2017-03-07 National Oilwell Varco, L.P. Blowout preventer with locking ram assembly and method of using same
CN104271871B (zh) 2012-04-10 2017-03-08 国民油井华高公司 一种防喷器、防喷密封组件及其使用方法
US20140048245A1 (en) * 2012-08-16 2014-02-20 Hydril Usa Manufacturing Llc Replaceable Wear Plates for Use with Blind Shear Rams
BR112015004458A8 (pt) 2012-09-01 2019-08-27 Chevron Usa Inc sistema de controle de poço, bop a laser e conjunto de bop
WO2014085628A2 (en) 2012-11-29 2014-06-05 National Oilwell Varco, L.P. Blowout preventer monitoring system and method of using same
US20140209314A1 (en) * 2013-01-28 2014-07-31 Schlumberger Technology Corporation Shear and seal system for subsea applications
EP2959096B1 (de) 2013-02-21 2018-05-16 National Oilwell Varco, L.P. Preventergarniturüberwachungssystem und verfahren zur verwendung davon
US20160032676A1 (en) * 2013-03-15 2016-02-04 Fmc Technologies, Inc. Gate valve assembly comprising a support member
US9249643B2 (en) 2013-03-15 2016-02-02 National Oilwell Varco, L.P. Blowout preventer with wedge ram assembly and method of using same
EP2992175B1 (de) 2013-05-03 2023-02-22 National Oilwell Varco, L.P. Dichtbares bohrlochventil und verfahren zu dessen nutzung
GB201310613D0 (en) * 2013-06-14 2013-07-31 Enovate Systems Ltd Well bore control system
CN104234652A (zh) * 2013-06-18 2014-12-24 中国石油天然气股份有限公司 移动式油管抽油杆剪切装置
US9416628B2 (en) 2013-06-24 2016-08-16 National Oilwell Varco, L.P. Blowout preventer activator and method of using same
US8794333B1 (en) * 2013-07-02 2014-08-05 Milanovich Investments, L.L.C. Combination blowout preventer and recovery device
US8794308B1 (en) * 2013-07-21 2014-08-05 Milanovich Investments, L.L.C. Blowout preventer and flow regulator
US8727018B1 (en) 2013-07-19 2014-05-20 National Oilwell Varco, L.P. Charging unit, system and method for activating a wellsite component
CN103692465B (zh) * 2013-12-12 2015-12-02 中煤邯郸特殊凿井有限公司 一种塑料管切割刀具
US9631442B2 (en) * 2013-12-19 2017-04-25 Weatherford Technology Holdings, Llc Heave compensation system for assembling a drill string
US9828823B2 (en) * 2014-04-01 2017-11-28 Cameron International Corporation Rod hang-off system
WO2015163879A1 (en) 2014-04-24 2015-10-29 Halliburton Energy Services, Inc. Multi-perforating tool
EP2995768B1 (de) * 2014-09-12 2020-01-22 Cameron Technologies Limited Blowout-Preventer mit Klinge mit mehreren Profilen
US10954738B2 (en) 2014-10-20 2021-03-23 Worldwide Oilfield Machine, Inc. Dual compact cutting device intervention system
US11156055B2 (en) 2014-10-20 2021-10-26 Worldwide Oilfield Machine, Inc. Locking mechanism for subsea compact cutting device (CCD)
US9732576B2 (en) * 2014-10-20 2017-08-15 Worldwide Oilfield Machine, Inc. Compact cutting system and method
US10655421B2 (en) * 2014-10-20 2020-05-19 Worldwide Oilfield Machine, Inc. Compact cutting system and method
US10132133B2 (en) 2014-12-05 2018-11-20 National Oilwell Varco, L.P. Method of closing a blowout preventer seal based on seal erosion
US9441443B2 (en) 2015-01-27 2016-09-13 National Oilwell Varco, L.P. Compound blowout preventer seal and method of using same
US20160221202A1 (en) * 2015-02-02 2016-08-04 Jorson & Carlson Coated and recessed industrial paper knife
US10815772B2 (en) 2015-02-13 2020-10-27 National Oilwell Varco, L.P. Detection system for a wellsite and method of using same
US9879498B2 (en) 2015-04-21 2018-01-30 Axon Pressure Products, Inc. Shear block design for blowout preventer
WO2017039740A1 (en) * 2015-09-01 2017-03-09 Cameron International Corporation Blowout preventer including blind seal assembly
US10167695B2 (en) * 2015-11-09 2019-01-01 Cameron International Corporation Blowout preventer including shear body
NO343423B1 (en) * 2015-12-11 2019-03-04 Smart Installations As Mobile cutting tool and method for cutting a subsea tubular structure
RU2695579C1 (ru) * 2016-01-05 2019-07-24 Нобл Дриллинг Сёрвисиз Инк. Исполнительный механизм плашки с приводом от двигателя, использующий давление, для устройства управления давлением в скважине
US9938794B2 (en) * 2016-06-21 2018-04-10 Bop Technologies, Llc Guided locking ram blocks
WO2018048612A1 (en) * 2016-09-12 2018-03-15 Kinetic Pressure Control, Ltd. Improved blowout preventer
US10577884B2 (en) * 2017-03-31 2020-03-03 General Electric Company Blowout prevention system including blind shear ram
NO343501B1 (no) * 2017-06-16 2019-03-25 Nor Oil Tools As Verktøy for kutting av brønnrør
CN108286419B (zh) * 2018-01-17 2020-12-22 宋协翠 一种用于连续油管四闸板防喷器的圆形剪切装置
CN108104761B (zh) * 2018-01-17 2020-06-23 东营市元捷石油机械有限公司 用于连续油管四闸板防喷器的圆形剪切装置的使用方法
WO2019195200A1 (en) * 2018-04-03 2019-10-10 Kinetic Pressure Control, Ltd. Kinetic shear ram for well pressure control apparatus
US11480031B2 (en) * 2018-10-26 2022-10-25 Kinetic Pressure Control Ltd. Pressure control device with safety locking mechanism
CN109267960A (zh) * 2018-11-29 2019-01-25 美钻深海能源科技研发(上海)有限公司 一种炸药爆炸紧急关井装置
US20220356777A1 (en) * 2019-04-21 2022-11-10 Schlumberger Technology Corporation Blowout Preventer Shearing Ram
US11286740B2 (en) 2019-04-21 2022-03-29 Schlumberger Technology Corporation Blowout preventer shearing ram
EP3959416B1 (de) 2019-04-21 2024-03-06 Services Pétroliers Schlumberger Blowout-preventer mit mehrfach einsetzbaren schaufeln
AU2020261348A1 (en) 2019-04-26 2021-10-28 Transocean Sedco Forex Ventures Limited Improved station keeping and emergency disconnecting capability for a vessel connected to a subsea wellhead in shallow water
EP3959414A1 (de) * 2019-04-26 2022-03-02 McCormick, Craig Verbesserte positionshalte- und notabschaltfähigkeiten für ein schiff, das mit einem unterwasserbohrlochkopf in seichtem wasser verbunden ist
USD973734S1 (en) * 2019-08-06 2022-12-27 Nxl Technologies Inc. Blind shear
CA3148810A1 (en) * 2019-08-15 2021-02-18 Kinetic Pressure Control, Ltd. Piston and gate assembly for kinetic pressure control apparatus ram
WO2021045985A1 (en) * 2019-09-04 2021-03-11 Kinetic Pressure Control, Ltd. Kinetic shear ram cutters for well control apparatus
US10954737B1 (en) 2019-10-29 2021-03-23 Kongsberg Maritime Inc. Systems and methods for initiating an emergency disconnect sequence
US11391108B2 (en) 2020-06-03 2022-07-19 Schlumberger Technology Corporation Shear ram for a blowout preventer
US11613955B2 (en) * 2020-07-15 2023-03-28 Baker Hughes Oilfield Operations Llc Shear ram with vertical shear control
US20240110456A1 (en) * 2022-09-30 2024-04-04 Worldwide Oilfield Machine, Inc. Non-sealing casing shear rams

Family Cites Families (179)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1161705A (en) 1913-05-12 1915-11-23 Elyria Iron & Steel Company Mechanism for cutting tubing and the like into lengths.
US2178698A (en) 1936-05-04 1939-11-07 Arthur J Penick Tubing head
US2231613A (en) * 1940-04-03 1941-02-11 Paul Stock Blowout preventer and control head
US2304793A (en) * 1941-06-09 1942-12-15 Calpat Corp Method of and apparatus for cutting pipe
US2555069A (en) 1945-12-20 1951-05-29 Verney Jean Louis Francois Machine for cutting tubes and the like
US2592197A (en) * 1947-10-27 1952-04-08 Jr Frank J Schweitzer Side-plug hydraulic cellar gate
US2596851A (en) * 1950-02-27 1952-05-13 Hansen John Cutter blade
US2752119A (en) 1952-03-24 1956-06-26 Cameron Iron Works Inc Blowout preventer
US2919111A (en) * 1955-12-30 1959-12-29 California Research Corp Shearing device and method for use in well drilling
US3040611A (en) * 1956-11-15 1962-06-26 Duralumin Guillotine shears
US3145462A (en) 1961-05-01 1964-08-25 Yoder Co Method of severing tubes and reforming deformed portion caused by severing action
US3272222A (en) 1963-10-28 1966-09-13 Cameron Iron Works Inc Blowout preventer
US3399728A (en) * 1966-12-01 1968-09-03 Allan R. Taylor Conduit closure apparatus
US3554480A (en) * 1968-01-16 1971-01-12 Cameron Iron Works Inc Blowout preventer
US3554278A (en) * 1969-07-31 1971-01-12 Exxon Production Research Co Pipe alignment apparatus
US3561526A (en) * 1969-09-03 1971-02-09 Cameron Iron Works Inc Pipe shearing ram assembly for blowout preventer
US3647174A (en) * 1970-09-25 1972-03-07 Hydril Co Blowout preventer
US3670761A (en) * 1970-10-13 1972-06-20 Hydril Co Blowout preventer with resistance means between the body and the piston
US3744749A (en) 1971-05-18 1973-07-10 Hydril Co Blowout preventer with ram support and guide means
US3716068A (en) * 1971-06-11 1973-02-13 F Addison Surface controlled blowout arrester
US3741296A (en) 1971-06-14 1973-06-26 Hydril Co Replacement of sub sea blow out preventer packing units
US3766979A (en) * 1972-04-20 1973-10-23 J Petrick Well casing cutter and sealer
US3817326A (en) * 1972-06-16 1974-06-18 Cameron Iron Works Inc Ram-type blowout preventer
US3946806A (en) * 1972-06-16 1976-03-30 Cameron Iron Works, Inc. Ram-type blowout preventer
US3863667A (en) * 1973-03-21 1975-02-04 Pipe Line Development Co Combined shear head and housing plug
US3863657A (en) * 1973-05-23 1975-02-04 Willard Irving Dishwasher and sink combination
US3918478A (en) * 1974-02-11 1975-11-11 Hydril Co Blowout preventer with locking means
US4057887A (en) 1974-05-06 1977-11-15 Cameron Iron Works, Inc. Pipe disconnecting apparatus
US4007797A (en) 1974-06-04 1977-02-15 Texas Dynamatics, Inc. Device for drilling a hole in the side wall of a bore hole
US3922780A (en) * 1974-11-04 1975-12-02 Cyril Robert Green Cable spearing and cutting apparatus
US3955622A (en) * 1975-06-09 1976-05-11 Regan Offshore International, Inc. Dual drill string orienting apparatus and method
US4015496A (en) 1976-02-06 1977-04-05 Hill Engineering, Inc. Dimpleless tube cutoff device
GB1516273A (en) * 1976-03-19 1978-06-28 British Gas Corp Stopping fluid flow in pipes
US4043389A (en) * 1976-03-29 1977-08-23 Continental Oil Company Ram-shear and slip device for well pipe
FR2362332A1 (fr) * 1976-04-29 1978-03-17 Commissariat Energie Atomique Dispositif pyrotechnique d'obturation d'une canalisation
US4081027A (en) * 1976-08-23 1978-03-28 The Rucker Company Shear rams for hydrogen sulfide service
US4132267A (en) 1978-04-06 1979-01-02 Cameron Iron Works, Inc. Pipe shearing ram assembly for blowout preventer
US4132265A (en) * 1978-04-06 1979-01-02 Cameron Iron Works, Inc. Pipe shearing ram assembly for blowout preventer
US4132266A (en) * 1978-04-06 1979-01-02 Cameron Iron Works, Inc. Pipe shearing ram assembly for blowout preventer
US4220206A (en) 1979-01-22 1980-09-02 Winkle Denzal W Van Quick opening closure arrangement for well completions
US4215749A (en) * 1979-02-05 1980-08-05 Acf Industries, Incorporated Gate valve for shearing workover lines to permit shutting in of a well
US4240503A (en) 1979-05-01 1980-12-23 Hydril Company Blowout preventer shearing and sealing rams
JPS563128A (en) * 1979-06-13 1981-01-13 Yanagihara Kogyo Kk Cutter for cutting pipe and preparation of pipe having concave arclike end surface
US4253638A (en) * 1979-08-02 1981-03-03 Cameron Iron Works, Inc. Blowout preventer
US4392633A (en) 1979-10-29 1983-07-12 Winkle Denzal W Van Valve structure having movable seat means
US4416441A (en) 1979-10-29 1983-11-22 Winkle Denzal W Van Blowout preventer
US4313496A (en) * 1980-04-22 1982-02-02 Cameron Iron Works, Inc. Wellhead shearing apparatus
US4372527A (en) * 1980-05-05 1983-02-08 Dresser Industries, Inc. Blowout preventer
US4341264A (en) * 1980-10-15 1982-07-27 Cameron Iron Works, Inc. Wellhead shearing apparatus
US4347898A (en) 1980-11-06 1982-09-07 Cameron Iron Works, Inc. Shear ram blowout preventer
SU959935A1 (ru) 1980-12-30 1982-09-23 Уральский ордена Трудового Красного Знамени политехнический институт им.С.М.Кирова Рабочий инструмент к штампу дл резки труб
US4437643A (en) * 1981-06-25 1984-03-20 Cameron Iron Works, Inc. Ram-type blowout preventer
AU561397B2 (en) * 1981-10-07 1987-05-07 Stuart Malcolm Harrison Ram operated cutter (2 blades)
US4492359A (en) 1982-06-25 1985-01-08 Baugh Benton F Valve assembly
US4508313A (en) * 1982-12-02 1985-04-02 Koomey Blowout Preventers, Inc. Valves
US4519577A (en) * 1982-12-02 1985-05-28 Koomey Blowout Preventers, Inc. Flow controlling apparatus
JPS59134918A (ja) * 1983-01-24 1984-08-02 Toshiba Corp ラツチ回路
US4518144A (en) 1983-09-01 1985-05-21 Cameron Iron Works, Inc. Ram-type blowout preventer and packer therefor
US4558842A (en) * 1983-09-06 1985-12-17 Bowen Tools, Inc. Connector for joining blowout preventer members
US4540046A (en) 1983-09-13 1985-09-10 Nl Industries, Inc. Shear ram apparatus
US4647002A (en) 1983-09-23 1987-03-03 Hydril Company Ram blowout preventer apparatus
US4504037A (en) * 1983-09-26 1985-03-12 Hydril Company Ram blowout preventer securing and retracting apparatus
US4516598A (en) * 1983-10-24 1985-05-14 Stupak Adam E Well safety valve
US4523639A (en) * 1983-11-21 1985-06-18 Koomey Blowout Preventers, Inc. Ram type blowout preventers
US4537250A (en) 1983-12-14 1985-08-27 Cameron Iron Works, Inc. Shearing type blowout preventer
US4526339A (en) * 1984-05-11 1985-07-02 Universal Well Control Systems Blowout preventer
US4550895A (en) * 1984-09-24 1985-11-05 Shaffer Donald U Ram construction for oil well blow out preventer apparatus
FR2580053B1 (de) * 1985-04-04 1987-09-25 Petroles Cie Francaise
DE3516424A1 (de) 1985-05-04 1986-11-06 Moller, Falk von, Dipl.-Ing. (FH), 3100 Celle Verfahren und vorrichtung zum durchtrennen von staeben aus hochlegiertem stahl
US5492541A (en) * 1985-08-02 1996-02-20 Clairol Incorporated Dye compositions containing 5,6-dihydroxy indoles and a foam generator
US4612983A (en) 1985-10-15 1986-09-23 Gray Tool Company Shear type gate valve
CN1004217B (zh) * 1985-11-02 1989-05-17 阿茨国际器具公司 切割和回收海底井口套管的方法装置
US4690033A (en) 1985-12-16 1987-09-01 Winkle Denzal W Van Self actuating locking and unlocking arrangement and method for reciprocating piston type actuators
US4690411A (en) 1985-12-23 1987-09-01 Winkle Denzal W Van Bonded mechanically inner connected seal arrangement for a blowout preventer
US4646825A (en) * 1986-01-02 1987-03-03 Winkle Denzal W Van Blowout preventer, shear ram, shear blade and seal therefor
EP0242008B1 (de) * 1986-04-18 1991-12-27 Cooper Industries, Inc. Ausbruchventil
US4923005A (en) * 1989-01-05 1990-05-08 Otis Engineering Corporation System for handling reeled tubing
CA1291923C (en) * 1989-01-16 1991-11-12 Stanley W. Wachowicz Hydraulic power system
US4969390A (en) * 1989-05-30 1990-11-13 Cooper Industries, Inc. Rod locking device
US4943031A (en) 1989-08-17 1990-07-24 Drexel Oilfield Services, Inc. Blowout preventer
US4987956A (en) * 1989-08-30 1991-01-29 Asger Hansen Apparatus for use in drilling a well at an offshore location
US5002130A (en) * 1990-01-29 1991-03-26 Otis Engineering Corp. System for handling reeled tubing
US5025708A (en) 1990-01-30 1991-06-25 Baroid Technology, Inc. Actuator with automatic lock
US5056418A (en) 1990-10-18 1991-10-15 Granger Stanley W Self-adjusting automatic locking piston for RAM blowout preventers
US5158505A (en) * 1990-10-25 1992-10-27 Rexnord Corporation Guide ring
US5199493A (en) * 1991-05-03 1993-04-06 Sodder George Jr Methods and apparatus for shutting a conduit
DE4114887A1 (de) * 1991-05-07 1992-11-12 Bruns Werner Trenn-schliess-vorrichtung fuer druckrohre in foerder- und versorgungsanlagen
US5178215A (en) 1991-07-22 1993-01-12 Folsom Metal Products, Inc. Rotary blowout preventer adaptable for use with both kelly and overhead drive mechanisms
CA2048780C (en) * 1991-08-08 1997-12-16 Edward Joseph Schartinger Blade for cutting cylindrical structures
US5360061A (en) * 1992-10-14 1994-11-01 Womble Lee M Blowout preventer with tubing shear rams
US5361832A (en) 1993-06-17 1994-11-08 Drexel Oilfield Services, Inc. Annular packer and insert
US5400857A (en) * 1993-12-08 1995-03-28 Varco Shaffer, Inc. Oilfield tubular shear ram and method for blowout prevention
US5350061A (en) * 1994-01-21 1994-09-27 Gunn Andrew L Container systems for school supplies
US5713581A (en) 1994-10-03 1998-02-03 Hydril Company Fibrous seal for blowout preventer
DE69620738T2 (de) 1995-01-13 2002-11-21 Hydril Co., Houston Niedrig bauender und leichtgewichtiger hochdruck-ausbruchschieber
US5515916A (en) * 1995-03-03 1996-05-14 Stewart & Stevenson Services, Inc. Blowout preventer
US5505426A (en) * 1995-04-05 1996-04-09 Varco Shaffer, Inc. Hydraulically controlled blowout preventer
US5575451A (en) * 1995-05-02 1996-11-19 Hydril Company Blowout preventer ram for coil tubing
US5590867A (en) 1995-05-12 1997-01-07 Drexel Oil Field Services, Inc. Blowout preventer for coiled tubing
US5566753A (en) 1995-06-07 1996-10-22 Drexel Oil Field Services, Inc. Stripper/packer
US5588491A (en) * 1995-08-10 1996-12-31 Varco Shaffer, Inc. Rotating blowout preventer and method
US5575452A (en) 1995-09-01 1996-11-19 Varco Shaffer, Inc. Blowout preventer with ram wedge locks
US5863022A (en) 1996-01-16 1999-01-26 Van Winkle; D. Wayne Stripper/packer and blowout preventer with split bonnet
US5897074A (en) 1996-07-30 1999-04-27 Nuway Corporation Moist tissue dispenser having sealing arms
US5778918A (en) 1996-10-18 1998-07-14 Varco Shaffer, Inc. Pilot valve with improved cage
US5735502A (en) 1996-12-18 1998-04-07 Varco Shaffer, Inc. BOP with partially equalized ram shafts
US5897094A (en) 1996-12-27 1999-04-27 Varco Shaffer, Inc. BOP with improved door connectors
US5833208A (en) 1997-09-15 1998-11-10 Jm Clipper Corporation Inner seal for ram-type blowout preventer
US6016880A (en) 1997-10-02 2000-01-25 Abb Vetco Gray Inc. Rotating drilling head with spaced apart seals
US5918851A (en) 1998-03-03 1999-07-06 Cooper Cameron Corporation Blowout preventer ram automatic locking system
US6173770B1 (en) * 1998-11-20 2001-01-16 Hydril Company Shear ram for ram-type blowout preventer
AU2993999A (en) * 1998-03-26 1999-10-18 Hydril Company Shear ram for ram-type blowout preventer
US6006647A (en) 1998-05-08 1999-12-28 Tuboscope I/P Inc. Actuator with free-floating piston for a blowout preventer and the like
US6012528A (en) 1998-06-24 2000-01-11 Tuboscope I/P Inc. Method and apparatus for replacing a packer element
US5961094A (en) 1998-06-24 1999-10-05 Tuboscope I/P Inc. Method and apparatus for replacing a packer element
US6164619A (en) 1999-01-07 2000-12-26 Tuboscope I/P, Inc. Bi-directional sealing ram
US6276450B1 (en) 1999-05-02 2001-08-21 Varco International, Inc. Apparatus and method for rapid replacement of upper blowout preventers
US6192680B1 (en) 1999-07-15 2001-02-27 Varco Shaffer, Inc. Subsea hydraulic control system
US6158505A (en) * 1999-08-30 2000-12-12 Cooper Cameron Corporation Blade seal for a shearing blind ram in a ram type blowout preventer
CA2400093C (en) 2000-02-16 2012-03-13 Performance Research & Drilling, Llc Horizontal directional drilling in wells
US6244336B1 (en) * 2000-03-07 2001-06-12 Cooper Cameron Corporation Double shearing rams for ram type blowout preventer
US6244560B1 (en) 2000-03-31 2001-06-12 Varco Shaffer, Inc. Blowout preventer ram actuating mechanism
US6484808B2 (en) 2000-06-09 2002-11-26 Varco I/P, Inc. Stripper/packer
US6374928B1 (en) * 2000-06-23 2002-04-23 Vermeer Manufacturing Company Method of blocking a pocket of a multi-pocket feed member for a directional drilling machine
JP4438203B2 (ja) 2000-09-12 2010-03-24 株式会社デンソー パイプの穴開け方法及び装置
US6374925B1 (en) 2000-09-22 2002-04-23 Varco Shaffer, Inc. Well drilling method and system
US6601650B2 (en) 2001-08-09 2003-08-05 Worldwide Oilfield Machine, Inc. Method and apparatus for replacing BOP with gate valve
US6510897B2 (en) * 2001-05-04 2003-01-28 Hydril Company Rotational mounts for blowout preventer bonnets
US6530432B2 (en) * 2001-07-11 2003-03-11 Coiled Tubing Solutions, Inc. Oil well tubing injection system and method
US6651746B2 (en) * 2001-11-26 2003-11-25 Anthony R. Boyd High torque and high capacity rotatable center core and floatable sealed body assemblies with universals ram applications and method
US7086467B2 (en) * 2001-12-17 2006-08-08 Schlumberger Technology Corporation Coiled tubing cutter
US6834721B2 (en) * 2002-01-14 2004-12-28 Halliburton Energy Services, Inc. System for disconnecting coiled tubing
NO316189B1 (no) * 2002-01-16 2003-12-22 Norsk Hydro As Kontrollanordning for stigeror
WO2003070565A2 (en) 2002-02-19 2003-08-28 Preston Fox Subsea intervention system, method and components thereof
US6742597B2 (en) 2002-05-20 2004-06-01 Varco I/P Safety check valve for coiled tubing
US6719042B2 (en) * 2002-07-08 2004-04-13 Varco Shaffer, Inc. Shear ram assembly
US6843463B1 (en) * 2002-08-30 2005-01-18 Varco I/P/ Inc. Pressure regulated slip ram on a coil tubing blowout preventer
US20040124380A1 (en) 2002-10-29 2004-07-01 Van Winkle Denzal Wayne Articulated slip ram for tapered coiled tubing
US6857634B2 (en) 2003-02-20 2005-02-22 Varco Shaffer, Inc. BOP assembly with metal inserts
US6974135B2 (en) 2003-07-11 2005-12-13 Varco I/P Inc. Variable bore ram
GB0319317D0 (en) 2003-08-16 2003-09-17 Maris Tdm Ltd Method and apparatus for drilling
US7011159B2 (en) 2003-09-16 2006-03-14 Hydril Company, L.P. Compact mid-grip fastener
CA2507116C (en) 2003-10-09 2008-06-03 Varco I/P, Inc. Variable size coil tubing gripping elements
US7287544B2 (en) 2003-10-21 2007-10-30 Varco I/P, Inc. Triple valve blow out preventer
EP1700001B1 (de) 2003-12-31 2013-07-24 Varco I/P, Inc. Mit messgeräten versehenes inneren bohrlochschieberventil zur messung von bohrgestängebohrparameter
US7051989B2 (en) * 2004-04-30 2006-05-30 Varco I/P, Inc. Blowout preventer and movable ram block support
US6969042B2 (en) * 2004-05-01 2005-11-29 Varco I/P, Inc. Blowout preventer and ram actuator
US7051990B2 (en) * 2004-07-01 2006-05-30 Varco I/P, Inc. Blowout preventer and movable bonnet support
US7207382B2 (en) 2004-07-27 2007-04-24 Schaeper Gary R Shearing sealing ram
US7354026B2 (en) 2004-08-17 2008-04-08 Cameron International Corporation Unitary blade seal for a shearing blind ram in a ram type blowout preventer
US20060076526A1 (en) 2004-10-13 2006-04-13 Varco I/P, Inc. Anodic Protective Seal in a Blowout Preventer
US7234530B2 (en) * 2004-11-01 2007-06-26 Hydril Company Lp Ram BOP shear device
US7703739B2 (en) * 2004-11-01 2010-04-27 Hydril Usa Manufacturing Llc Ram BOP shear device
US7243713B2 (en) * 2004-11-29 2007-07-17 National-Oilwell Dht, L.P. Shear/seal ram assembly for a ram-type blowout prevention system
US7350587B2 (en) 2004-11-30 2008-04-01 Varco I/P, Inc. Pipe guide
US7055594B1 (en) 2004-11-30 2006-06-06 Varco I/P, Inc. Pipe gripper and top drive systems
US7360603B2 (en) 2004-11-30 2008-04-22 Varco I/P, Inc. Methods and apparatuses for wellbore operations
JP2006187817A (ja) * 2004-12-28 2006-07-20 Fuji Photo Film Co Ltd ギロチンカッタおよびテープ貼付け装置
US7195224B2 (en) 2005-02-01 2007-03-27 Varco I/P, Inc. Blowout preventer and locking mechanism
US7464765B2 (en) 2005-08-24 2008-12-16 National-Oilwell Dht, L.P. Inner guide seal assembly and method for a ram type BOP system
US7523644B2 (en) 2005-09-08 2009-04-28 Varco I/P Method and apparatus for verifying the integrity of a joint seal
US7331562B2 (en) * 2005-11-07 2008-02-19 Varco I/P, Inc. Blowout preventer with breech assembly
CA2568431C (en) * 2005-11-18 2009-07-14 Bj Services Company Dual purpose blow out preventer
US7673674B2 (en) * 2006-01-31 2010-03-09 Stream-Flo Industries Ltd. Polish rod clamping device
US20080189954A1 (en) * 2006-04-04 2008-08-14 Yung Sheng Lin Pipe cutter
US7367396B2 (en) * 2006-04-25 2008-05-06 Varco I/P, Inc. Blowout preventers and methods of use
US7401664B2 (en) 2006-04-28 2008-07-22 Varco I/P Top drive systems
US7487848B2 (en) 2006-04-28 2009-02-10 Varco I/P, Inc. Multi-seal for top drive shaft
US7181808B1 (en) * 2006-05-31 2007-02-27 Denzal Wayne Van Winkle Buckle or clasp
US20080040070A1 (en) 2006-08-11 2008-02-14 Varco I/P, Inc. Position Indicator for a Blowout Preventer
US7520129B2 (en) 2006-11-07 2009-04-21 Varco I/P, Inc. Subsea pressure accumulator systems
US7926501B2 (en) 2007-02-07 2011-04-19 National Oilwell Varco L.P. Subsea pressure systems for fluid recovery
US8464525B2 (en) 2007-02-07 2013-06-18 National Oilwell Varco, L.P. Subsea power fluid recovery systems
US7798466B2 (en) 2007-04-27 2010-09-21 Varco I/P, Inc. Ram locking blowout preventer
CA2599402C (en) 2007-08-28 2015-05-05 Darwell Industries Ltd. Method of forming a blowout preventer body
US8033338B2 (en) 2008-01-22 2011-10-11 National Oilwell Varco, L.P. Wellbore continuous circulation systems and method
US8181697B2 (en) 2008-08-15 2012-05-22 National Oilwell Varco L.P. Multi-function multi-hole drilling rig
US8505870B2 (en) * 2011-02-02 2013-08-13 Hydril Usa Manufacturing Llc Shear blade geometry and method
US8632047B2 (en) * 2011-02-02 2014-01-21 Hydril Usa Manufacturing Llc Shear blade geometry and method

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US20110000670A1 (en) 2011-01-06
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US8602102B2 (en) 2013-12-10
AU2006342770A1 (en) 2007-11-01
EP2400110A2 (de) 2011-12-28
US20120000647A1 (en) 2012-01-05
NO20111367L (no) 2009-01-14
US20070246215A1 (en) 2007-10-25
RU2008146406A (ru) 2010-05-27
PL2400109T3 (pl) 2015-07-31
US20120006529A1 (en) 2012-01-12
CA2754716A1 (en) 2007-11-01
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NO340141B1 (no) 2017-03-13
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CA2747138A1 (en) 2007-11-01
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US8720567B2 (en) 2014-05-13
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US8066070B2 (en) 2011-11-29
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US7814979B2 (en) 2010-10-19
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