WO2009154641A2 - Soupape de sécurité sous-marine pour tête de puits sous-marine électrique - Google Patents

Soupape de sécurité sous-marine pour tête de puits sous-marine électrique Download PDF

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Publication number
WO2009154641A2
WO2009154641A2 PCT/US2008/072198 US2008072198W WO2009154641A2 WO 2009154641 A2 WO2009154641 A2 WO 2009154641A2 US 2008072198 W US2008072198 W US 2008072198W WO 2009154641 A2 WO2009154641 A2 WO 2009154641A2
Authority
WO
WIPO (PCT)
Prior art keywords
downhole tool
tree
hydraulic pressure
module
safety valve
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.)
Ceased
Application number
PCT/US2008/072198
Other languages
English (en)
Other versions
WO2009154641A3 (fr
Inventor
Walter S. Going, Iii
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.)
Baker Hughes Holdings LLC
Original Assignee
Baker Hughes Inc
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 Baker Hughes Inc filed Critical Baker Hughes Inc
Priority to AU2008358019A priority Critical patent/AU2008358019A1/en
Priority to BRPI0815102-4A2A priority patent/BRPI0815102A2/pt
Priority to GB1001202A priority patent/GB2464234A/en
Priority to EP08874739A priority patent/EP2183463A2/fr
Publication of WO2009154641A2 publication Critical patent/WO2009154641A2/fr
Priority to NO20100169A priority patent/NO20100169L/no
Anticipated expiration legal-status Critical
Publication of WO2009154641A3 publication Critical patent/WO2009154641A3/fr
Ceased legal-status Critical Current

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
    • E21B33/02—Surface sealing or packing
    • E21B33/03—Well heads; Setting-up thereof
    • E21B33/035—Well heads; Setting-up thereof specially adapted for underwater installations
    • E21B33/0355—Control systems, e.g. hydraulic, pneumatic, electric, acoustic, for submerged well heads
    • 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
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole

Definitions

  • the field of the invention is subsurface equipment that responds to hydraulic control from the surface and more particularly when that equipment is coupled with an electric subsea tree.
  • Downhole equipment such as subsurface safety valves (SSV) is typically controlled by a hydraulic control line that runs from a surface hydraulic power supply to the SSV housing.
  • SSV subsurface safety valves
  • Application of pressure holds the valve open and removal or loss of applied pressure generally results in the valve going closed.
  • a tree is installed subsea at the mud line. The tree is connected to surface located hydraulic controls through a hydraulic umbilical so that pressure can be developed in the hydraulic system at the surface can be transmitted to the downhole equipment.
  • the present invention improves this situation by providing a module at the tree that receives power and signal input from the umbilical and generates hydraulic pressure at the subsea tree for use by an SSV or other downhole hydraulically operated equipment.
  • the downhole component such as the SSV can be constructed to receive electrical power and signal input from the tree and the hydraulic lines along the tubing can be eliminated in favor of local generation of hydraulic pressure at the housing of the downhole tool such as the SSV.
  • the SSV can be reconfigured to open and close using an onboard electrically driven motor so that the hydraulic operating system can be replaced totally.
  • An all electric subsea tree can be coupled with a hydraulic pressure unit that is fed off electrical and control lines that are in the umbilical from the surface. In that way hydraulic lines do not need to be separately run from the surface to the tree.
  • hydraulic pressure can be generated at a downhole tool using power and control lines running from the tree to the downhole equipment.
  • the downhole equipment can be run by electric motor located downhole adjacent the downhole equipment and powered and controlled by lines running from the tree to the downhole location.
  • FIG. 1 is a schematic of a subsea tree with a locally mounted hydraulic pressure generating unit for the safety valve downhole.
  • FIG. 1 is a schematic representation that will be used to describe alternative design options.
  • the variations revolve around an electric subsea tree 10 that is disposed near the mud line 12.
  • the wellbore 14 has a tubing string 16 in it and a subsurface safety valve (SSV) 18 mounted in the tubing string 16.
  • SSV subsurface safety valve
  • a hydraulic pressure generating module 20 in one embodiment is mounted adjacent the tree 10.
  • a power line 22 and a control line 24 extend from a control module 26 that is a part of the subsea tree 10.
  • the umbilical 28 runs to surface at the waterline and provides power and control signals from the surface such as from a platform or a vessel (not shown).
  • Module 20 has an onboard controller 30 to power motor 32 which runs pump 34.
  • a low pressure switch 36 set above the minimum pressure required to hold SSV 18 open is there to sound an alarm if the pressure declines below a preset value.
  • a high pressure switch 38 alarms if the operating pressure exceeds a predetermined maximum.
  • a pressure compensated reservoir 40 is provided as well as a multi-position valve 42 to direct pressure back to the reservoir 40 in the position shown in FIG. 1 or alternatively out line 44 through a wet connector 46 which is a quick connection that can be automatically connected when the module 20 is placed on the tree 10 or by a remotely operated vehicle (ROV) not shown.
  • Line 44 is a hydraulic line down to the SSV 18 that runs along string 16 in the known manner.
  • a pressure transmitter 48 can be connected to the pump 34 discharge t transmit the operating pressure to the surface on a real time basis.
  • the system can be closed or it can discharge hydraulic fluid when stroking the valve 18. If the system is not closed it can be periodically replenished by an ROV or by a line run to the reservoir 40.
  • a closed system that retains hydraulic fluid is preferred.
  • module 20 can be integrated into SSV 18 or along the string 16 near it so that lines 22 and 24 can continue to run into the wellbore 14 to a now relocated module 20 that is now in the wellbore close to or integrated with the housing of the SSV 18.
  • hydraulic lines don't need to be run the length of string 16 while allowing the continued use of currently available hydraulically operated SSVs such as 18.
  • the design of the SSV 18 can be reconfigured so that it needs no hydraulic power at all. Instead lines 22 and 24 run down the string 16 to a locally mounted electric motor M that directly or indirectly powers a flapper or other closure device in the SSV 18. In this alternative, hydraulic pressure and a control system for it would not be needed. On the other hand, the currently available hydraulically operated valves could not be used and instead a different SSV design would be required for power and control input that would be all electrical.

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)
  • Safety Valves (AREA)
  • Electrically Driven Valve-Operating Means (AREA)

Abstract

La présente invention concerne une tête de puits sous-marine complètement électrique qui peut être raccordée à une unité de pression hydraulique alimentée à partir de lignes électriques et de commande situées dans le câble ombilical depuis la surface. Il n'est ainsi pas nécessaire de faire passer les conduites hydrauliques séparément de la surface à la tête de puits. En variante, une pression hydraulique peut être produite au niveau d'un outil de fond au moyen de lignes d'alimentation et de commande qui vont de la tête de puits à l'équipement de fond. Selon une autre variante, l'équipement de fond peut être déplacé par un moteur électrique situé dans le fond, à côté de l'équipement de fond, et mis sous tension et commandé par des lignes qui vont de la tête de puits au fond.
PCT/US2008/072198 2007-08-09 2008-08-05 Soupape de sécurité sous-marine pour tête de puits sous-marine électrique Ceased WO2009154641A2 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AU2008358019A AU2008358019A1 (en) 2007-08-09 2008-08-05 Subsurface safety valve for electric subsea tree
BRPI0815102-4A2A BRPI0815102A2 (pt) 2007-08-09 2008-08-05 Sistema de controle para uma ferramenta de furo de poço
GB1001202A GB2464234A (en) 2007-08-09 2008-08-05 Subsurface safety valve for electric subsea tree
EP08874739A EP2183463A2 (fr) 2007-08-09 2008-08-05 Soupape de sécurité sous-marine pour tête de puits sous-marine électrique
NO20100169A NO20100169L (no) 2007-08-09 2010-02-03 Underoverflate-sikkerhetsventil for elektrisk undervannsventiltre

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/836,576 2007-08-09
US11/836,576 US20090038804A1 (en) 2007-08-09 2007-08-09 Subsurface Safety Valve for Electric Subsea Tree

Publications (2)

Publication Number Publication Date
WO2009154641A2 true WO2009154641A2 (fr) 2009-12-23
WO2009154641A3 WO2009154641A3 (fr) 2010-02-25

Family

ID=40345386

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2008/072198 Ceased WO2009154641A2 (fr) 2007-08-09 2008-08-05 Soupape de sécurité sous-marine pour tête de puits sous-marine électrique

Country Status (7)

Country Link
US (1) US20090038804A1 (fr)
EP (1) EP2183463A2 (fr)
AU (1) AU2008358019A1 (fr)
BR (1) BRPI0815102A2 (fr)
GB (1) GB2464234A (fr)
NO (1) NO20100169L (fr)
WO (1) WO2009154641A2 (fr)

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US8839868B2 (en) * 2009-10-02 2014-09-23 Schlumberger Technology Corporation Subsea control system with interchangeable mandrel
WO2011072145A2 (fr) * 2009-12-09 2011-06-16 Schlumberger Canada Limited Système de contrôle sous-marin à double trajet
US8746346B2 (en) * 2010-12-29 2014-06-10 Vetco Gray Inc. Subsea tree workover control system
US8857785B2 (en) 2011-02-23 2014-10-14 Baker Hughes Incorporated Thermo-hydraulically actuated process control valve
GB2536451A (en) * 2015-03-17 2016-09-21 Ge Oil & Gas Uk Ltd Underwater hydrocarbon extraction facility
EP3343022B1 (fr) * 2015-08-25 2020-12-16 FMC Technologies Do Brasil LTDA Système générateur de puissance électrique sous-marin
WO2018227003A1 (fr) 2017-06-08 2018-12-13 Superior Energy Services, Llc Soupape de sécurité à réglage profond
NO20191004A1 (en) * 2019-08-21 2020-11-05 Fmc Kongsberg Subsea As Method of operating an electric subsea production system, an electric subsea production system, an electric subsea tree and an electric downhole safety valve
EP4229271B1 (fr) 2020-11-12 2025-09-03 Moog Inc. Actionneur de soupape de sécurité de subsurface

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Also Published As

Publication number Publication date
BRPI0815102A2 (pt) 2015-01-27
WO2009154641A3 (fr) 2010-02-25
AU2008358019A1 (en) 2009-12-23
NO20100169L (no) 2010-02-26
US20090038804A1 (en) 2009-02-12
EP2183463A2 (fr) 2010-05-12
GB201001202D0 (en) 2010-03-10
GB2464234A (en) 2010-04-14

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