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GB2485660A - Subsea control system - Google Patents

Subsea control system Download PDF

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Publication number
GB2485660A
GB2485660A GB1119667.2A GB201119667A GB2485660A GB 2485660 A GB2485660 A GB 2485660A GB 201119667 A GB201119667 A GB 201119667A GB 2485660 A GB2485660 A GB 2485660A
Authority
GB
United Kingdom
Prior art keywords
valve
shut
control system
test tree
subsea
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.)
Granted
Application number
GB1119667.2A
Other versions
GB201119667D0 (en
GB2485660B (en
Inventor
Joseph D Scranton
John Yarnold
Tauna Leonardi
John Skaggs
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.)
Schlumberger Holdings Ltd
Original Assignee
Schlumberger Holdings Ltd
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 Schlumberger Holdings Ltd filed Critical Schlumberger Holdings Ltd
Publication of GB201119667D0 publication Critical patent/GB201119667D0/en
Publication of GB2485660A publication Critical patent/GB2485660A/en
Application granted granted Critical
Publication of GB2485660B publication Critical patent/GB2485660B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/02—Valve arrangements for boreholes or wells in well heads
    • E21B34/04—Valve arrangements for boreholes or wells in well heads in underwater well heads
    • E21B34/045—Valve arrangements for boreholes or wells in well heads in underwater well heads adapted to be lowered on a tubular string into position within a blow-out preventer stack, e.g. so-called test trees

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)
  • Fluid-Pressure Circuits (AREA)
  • Multiple-Way Valves (AREA)

Abstract

A technique enables protection of subsea wells. The technique employs a subsea test tree and associated control system to ensure control over the well in a variety of situations. The subsea test tree may be formed with an upper portion releasably coupled to a lower portion. The upper portion employs at least one upper shut-off valve, and the lower portion employs at least one lower shut-off valve to protect against unwanted release of fluids from either above or below the subsea test tree. The subsea test tree also is coupled with the control system in a manner which allows control to be exercised over the at least one upper shut-often valve and the at least one lower shut-off valve.
GB1119667.2A 2009-05-04 2010-05-03 Subsea control system Expired - Fee Related GB2485660B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US17526609P 2009-05-04 2009-05-04
PCT/US2010/033411 WO2010129478A1 (en) 2009-05-04 2010-05-03 Subsea control system

Publications (3)

Publication Number Publication Date
GB201119667D0 GB201119667D0 (en) 2011-12-28
GB2485660A true GB2485660A (en) 2012-05-23
GB2485660B GB2485660B (en) 2012-08-08

Family

ID=43030781

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1119667.2A Expired - Fee Related GB2485660B (en) 2009-05-04 2010-05-03 Subsea control system

Country Status (4)

Country Link
US (1) US20110005770A1 (en)
AU (1) AU2010246177A1 (en)
GB (1) GB2485660B (en)
WO (1) WO2010129478A1 (en)

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GB2476185B (en) * 2008-08-04 2012-07-11 Cameron Int Corp Subsea differential-area accumulator
GB2488812A (en) * 2011-03-09 2012-09-12 Subsea 7 Ltd Subsea dual pump system with automatic selective control
GB2549210B (en) 2011-03-23 2018-07-25 Managed Pressure Operations Blow out preventer
US9091136B2 (en) 2011-06-02 2015-07-28 Schlumberger Technology Corporation Subsea safety valve system
US9453385B2 (en) * 2012-01-06 2016-09-27 Schlumberger Technology Corporation In-riser hydraulic power recharging
GB2501094A (en) 2012-04-11 2013-10-16 Managed Pressure Operations Method of handling a gas influx in a riser
US10309191B2 (en) 2012-03-12 2019-06-04 Managed Pressure Operations Pte. Ltd. Method of and apparatus for drilling a subterranean wellbore
GB2500188B (en) 2012-03-12 2019-07-17 Managed Pressure Operations Blowout preventer assembly
DK3017139T4 (en) * 2013-06-24 2024-12-16 Helix Energy Solutions Group Inc UNDERWATER INTERVENTION SYSTEM
US9458689B2 (en) 2014-02-21 2016-10-04 Onesubsea Ip Uk Limited System for controlling in-riser functions from out-of-riser control system
US10876369B2 (en) * 2014-09-30 2020-12-29 Hydril USA Distribution LLC High pressure blowout preventer system
WO2017023264A1 (en) * 2015-07-31 2017-02-09 Halliburton Energy Services, Inc. Annulus access valve
US10132135B2 (en) * 2015-08-05 2018-11-20 Cameron International Corporation Subsea drilling system with intensifier
US10745995B2 (en) 2017-10-13 2020-08-18 Onesubsea Ip Uk Limited Fluid tolerant subsea manifold system
GB201918790D0 (en) 2019-12-19 2020-02-05 Expro North Sea Ltd Valve assembly for controlling fluid communication along a well tubular
AU2021377247B2 (en) 2020-11-12 2024-08-01 Moog Inc. Subsurface safety valve actuator
CN118215777A (en) * 2021-11-08 2024-06-18 海德里尔美国配送有限责任公司 Safety Integrity Level Assessment Control for All-Electric BOP
CN115075764B (en) * 2022-06-29 2023-06-13 西南石油大学 Electric-driven large-drift-diameter underwater test tree

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US4494609A (en) * 1981-04-29 1985-01-22 Otis Engineering Corporation Test tree
US20070240882A1 (en) * 2006-04-18 2007-10-18 Tauna Leonardi Accumulator for Subsea Equipment

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GB0216259D0 (en) * 2002-07-12 2002-08-21 Sensor Highway Ltd Subsea and landing string distributed sensor system
US6988554B2 (en) * 2003-05-01 2006-01-24 Cooper Cameron Corporation Subsea choke control system
US20050217845A1 (en) * 2004-03-30 2005-10-06 Mcguire Lindell V Tubing hanger running tool and subsea test tree control system
GB0409189D0 (en) * 2004-04-24 2004-05-26 Expro North Sea Ltd Plug setting and retrieving apparatus
US7231971B2 (en) * 2004-10-11 2007-06-19 Schlumberger Technology Corporation Downhole safety valve assembly having sensing capabilities
US20080118382A1 (en) * 2006-11-17 2008-05-22 Downhole Water Management, Inc. Back pressured hydraulic pump for sucker rod
US8839868B2 (en) * 2009-10-02 2014-09-23 Schlumberger Technology Corporation Subsea control system with interchangeable mandrel
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Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4234043A (en) * 1977-10-17 1980-11-18 Baker International Corporation Removable subsea test valve system for deep water
US4494609A (en) * 1981-04-29 1985-01-22 Otis Engineering Corporation Test tree
US20070240882A1 (en) * 2006-04-18 2007-10-18 Tauna Leonardi Accumulator for Subsea Equipment

Also Published As

Publication number Publication date
GB201119667D0 (en) 2011-12-28
GB2485660B (en) 2012-08-08
US20110005770A1 (en) 2011-01-13
AU2010246177A1 (en) 2011-11-17
WO2010129478A1 (en) 2010-11-11

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20150503