EP2474704A1 - Surveillance du fonctionnement d'un système sous-marin de production d'hydrocarbures - Google Patents

Surveillance du fonctionnement d'un système sous-marin de production d'hydrocarbures Download PDF

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Publication number
EP2474704A1
EP2474704A1 EP11150315A EP11150315A EP2474704A1 EP 2474704 A1 EP2474704 A1 EP 2474704A1 EP 11150315 A EP11150315 A EP 11150315A EP 11150315 A EP11150315 A EP 11150315A EP 2474704 A1 EP2474704 A1 EP 2474704A1
Authority
EP
European Patent Office
Prior art keywords
subsea
fail
monitoring
safe
indication
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
EP11150315A
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German (de)
English (en)
Other versions
EP2474704B1 (fr
Inventor
Naresh Kunchakoori
Gopalakrishna Gudivada
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 International Treasury Services Ltd
Original Assignee
Vetco Gray Controls 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 Vetco Gray Controls Ltd filed Critical Vetco Gray Controls Ltd
Priority to EP11150315.7A priority Critical patent/EP2474704B1/fr
Priority to MYPI2011006200 priority patent/MY152950A/en
Priority to AU2011265528A priority patent/AU2011265528B2/en
Priority to SG2012000188A priority patent/SG182906A1/en
Priority to BR102012000058-0A priority patent/BR102012000058B1/pt
Priority to CN2012100141693A priority patent/CN102591274A/zh
Publication of EP2474704A1 publication Critical patent/EP2474704A1/fr
Application granted granted Critical
Publication of EP2474704B1 publication Critical patent/EP2474704B1/fr
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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

Definitions

  • the present invention relates to monitoring the operation of a subsea hydrocarbon production control system.
  • a shutdown philosophy is employed in the design of production control systems for subsea oil and gas wells, to ensure the protection of personnel, environment and equipment from the consequences that may occur as a result of abnormal operational conditions, accidental release of hydrocarbons or other accidents. This usually entails the inclusion of production shutdown and emergency shutdown mechanisms being built into the system, so that the system fails to a safe condition.
  • Examples of fail-safe shutdowns resulting from subsea failures, where relevant status information cannot be obtained using the existing system functionality, are those which occur between a well Christmas tree and the power distribution and protection module (PDPM) which is installed subsea and is the main subsea interface with Christmas trees providing electrical power, hydraulic power and communications to each Christmas tree.
  • PDPM power distribution and protection module
  • a method of monitoring the operation of a subsea hydrocarbon production control system comprising monitoring at least one subsea device of the system and, if the device fails to a fail-safe condition, sending an indication of that by wireless.
  • a subsea hydrocarbon production control system comprising means for monitoring at least one subsea device of the system and means for, if the device fails to a fail-safe condition, sending an indication of that by wireless.
  • said indication is sent to a fail-safe monitoring unit, which could be a subsea unit.
  • such a subsea unit is in a subsea power distribution and protection module.
  • the at least one device comprises at least one of a valve and an actuating mechanism for a valve.
  • the indication could be sent from fail-safe monitoring means at a tree of the system with which the device is associated.
  • the system has at least one further such tree from which, if a device associated with it, fails to a fail-safe condition, an indication to that effect is sent by wireless from fail-safe monitoring means of the further tree.
  • An embodiment of the invention to be described below entails including a separate, independent, dedicated, health monitoring module on a Christmas tree, for monitoring the status of all actuators and valves installed on the Christmas tree and wellhead.
  • the system has its own dedicated subsea wireless communication link capable of communicating information to a wireless receiving system on the PDPM and on other Christmas trees. Thus, in the event of failure of the normal communication links, the wireless channel is available.
  • the module is provided with its own battery back-up to provide power in the event of power supply failure.
  • the module sits alongside the normal process and control equipment in the Christmas tree mounted subsea control module (SCM) and can also be used to enhance the fail-safe decision making process in the SCM, by providing additional confirmation of the state of actuators and valves. If a shutdown should occur, but an indication that a device has gone to a fail-safe condition is not received, then this is an indication of a problem.
  • SCM subsea control module
  • the module can also form part of the normal decision making process by adding some intelligence to process the critical data which is related to a fail-safe condition.
  • Fig. 1 illustrates an implementation of the invention.
  • a master control station (MCS) 1 installed topside, provides the operator interface with subsea equipment and displays the current state of the various equipments and sensor information, enabling the operator to control the system.
  • the MCS 1 collates data such as the operational state of all subsea valves and data relating to the state of production fluids across an entire oilfield.
  • the MCS 1 interfaces with the subsea installed power distribution and protection module (PDPM) 2 which feeds electric power on lines 3, hydraulic power on lines 4, and communication on a line 5 to a plurality of Christmas trees 6, only two (A and B) being shown.
  • PDPM power distribution and protection module
  • Each Christmas tree 6 includes a subsea control module (SCM) 7 which controls all the Christmas tree processes by providing hydraulic power to actuate valves mounted on the Christmas tree and at the wellhead. It also receives process instrumentation signals from sensors mounted on the Christmas tree and at the wellhead. These are received and processed in a subsea electronics module (SEM) 8 housed within the SCM 7 and communicated via the system communication link to the PDPM 2, and then topside. Failure of the communications link between a Christmas tree 6 and the PDPM 2 will result in no valve and other status data being available from that tree.
  • SCM subsea control module
  • SEM subsea electronics module
  • a dedicated fail-safe monitoring module 9 is at each tree 6, which module provides data on the health of the valves, as well as their actuating mechanisms.
  • the module 9 includes its own interfacing, signal conditioning and processing and have its own dedicated sensors.
  • a back-up battery 10 is built-in so that the module can still operate in the event of electrical power failure. Health monitoring of the module 9 would form part of the normal equipment condition monitoring checks and the battery would be kept charged from the normal power supplies.
  • the production control system is provided with its own subsea wireless communication arrangement to communicate with the PDPM 2, so that in the event of a normal communication channel failure (copper wire, communications-on-power or fibre-optic) it has an alternative independent communication link. More particularly, at each tree 6, there is an RF antenna 11 for sending data to an RF antenna 12 at the PDPM 2 and thence to a fail-safe monitoring unit 13 in the PDPM 2. Thus, each Christmas tree 6 in the overall production well complex has its own SCM 7 and failsafe monitoring module 9 with a subsea wireless link 14. This enables individual Christmas trees to communicate with the PDPM and each other, providing alternative routes for valve and other status information to reach topside.
  • Fig. 2 illustrates an example of a configuration in which the fail-safe monitoring module 9 with its fail-safe monitoring (FSM) dedicated sensor package 15 is used in conjunction with the SEM 8 and its sensor package 16.
  • FSM fail-safe monitoring
  • a check can be made against the output from the fail-safe monitoring module 9 to see if this has also triggered a fail-safe mechanism as a result of the data from its dedicated sensor package.
  • a fail-safe mechanism gets executed if either or both the SEM and the fail-safe monitoring system takes the decision to trigger a fail-safe mechanism. This also adds redundancy to the system.
  • the invention can utilise a wireless communication system between topside and subsurface equipment that forms part of the latest hydrocarbon production control system.
  • a rapid response to dangerous situations can save lives, significantly reduce environmental pollution and thereby reduce the cost of rectifying situations which arise.

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  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Testing And Monitoring For Control Systems (AREA)
  • Safety Devices In Control Systems (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Selective Calling Equipment (AREA)
  • Mobile Radio Communication Systems (AREA)
EP11150315.7A 2011-01-06 2011-01-06 Surveillance du fonctionnement d'un système sous-marin de production d'hydrocarbures Active EP2474704B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP11150315.7A EP2474704B1 (fr) 2011-01-06 2011-01-06 Surveillance du fonctionnement d'un système sous-marin de production d'hydrocarbures
MYPI2011006200 MY152950A (en) 2011-01-06 2011-12-21 Monitoring the operation of a subsea hydrocarbon production control system
AU2011265528A AU2011265528B2 (en) 2011-01-06 2011-12-23 Monitoring the operation of a subsea hydrocarbon production control system
SG2012000188A SG182906A1 (en) 2011-01-06 2012-01-03 Monitoring the operation of a subsea hydrocarbon production control system
BR102012000058-0A BR102012000058B1 (pt) 2011-01-06 2012-01-03 Método de monitoramento da operação de um sistema de controle de produção de hidrocarboneto submarino e sistema de controle de produção de hidrocarboneto submarino
CN2012100141693A CN102591274A (zh) 2011-01-06 2012-01-06 监测海底烃生产控制系统的操作

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11150315.7A EP2474704B1 (fr) 2011-01-06 2011-01-06 Surveillance du fonctionnement d'un système sous-marin de production d'hydrocarbures

Publications (2)

Publication Number Publication Date
EP2474704A1 true EP2474704A1 (fr) 2012-07-11
EP2474704B1 EP2474704B1 (fr) 2013-09-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP11150315.7A Active EP2474704B1 (fr) 2011-01-06 2011-01-06 Surveillance du fonctionnement d'un système sous-marin de production d'hydrocarbures

Country Status (6)

Country Link
EP (1) EP2474704B1 (fr)
CN (1) CN102591274A (fr)
AU (1) AU2011265528B2 (fr)
BR (1) BR102012000058B1 (fr)
MY (1) MY152950A (fr)
SG (1) SG182906A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10221680B2 (en) 2015-03-17 2019-03-05 Ge Oil & Gas Uk Limited Underwater hydrocarbon extraction facility
CN118275153A (zh) * 2024-05-30 2024-07-02 威飞海洋装备制造有限公司 一种基于液压动力的浅水注水树测试系统及方法

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3416566A (en) * 1966-11-07 1968-12-17 Acf Ind Inc Valve operating mechanism
GB2163029A (en) 1984-08-06 1986-02-12 Peter James Raynor Inductive communication system
GB2377131A (en) 2001-04-23 2002-12-31 Schlumberger Holdings Subsea communications
US20030098799A1 (en) 2001-11-28 2003-05-29 Zimmerman Thomas H. Wireless communication system and method
US20040124994A1 (en) 2002-10-07 2004-07-01 Baker Hughes Incorporated High data rate borehole telemetry system
US6798338B1 (en) 1999-02-08 2004-09-28 Baker Hughes Incorporated RF communication with downhole equipment
WO2005078233A1 (fr) 2004-02-18 2005-08-25 Fmc Kongsberg Subsea As Systeme de production d'energie
US20060159524A1 (en) 2005-01-17 2006-07-20 Thompson James N Method and apparatus for deployment of ocean bottom seismometers
WO2006134331A1 (fr) 2005-06-13 2006-12-21 Wireless Fibre Systems Ltd Systeme de communication sous-marin
US20090212969A1 (en) * 2008-02-26 2009-08-27 Vecto Gray Inc. Underwater Communications Using RF
WO2009122168A1 (fr) 2008-04-04 2009-10-08 Vetco Gray Controls Limited Système de communication pour une unité d’extraction d’hydrocarbure

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201322951Y (zh) * 2008-11-06 2009-10-07 刘健 Gps海底阀作业监测系统
CN101793036B (zh) * 2010-01-28 2011-11-30 中国海洋石油总公司 海洋油田多功能自升式支持平台桩靴破损进水监测装置

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3416566A (en) * 1966-11-07 1968-12-17 Acf Ind Inc Valve operating mechanism
GB2163029A (en) 1984-08-06 1986-02-12 Peter James Raynor Inductive communication system
US6798338B1 (en) 1999-02-08 2004-09-28 Baker Hughes Incorporated RF communication with downhole equipment
GB2377131A (en) 2001-04-23 2002-12-31 Schlumberger Holdings Subsea communications
US20030098799A1 (en) 2001-11-28 2003-05-29 Zimmerman Thomas H. Wireless communication system and method
US20040124994A1 (en) 2002-10-07 2004-07-01 Baker Hughes Incorporated High data rate borehole telemetry system
WO2005078233A1 (fr) 2004-02-18 2005-08-25 Fmc Kongsberg Subsea As Systeme de production d'energie
US20060159524A1 (en) 2005-01-17 2006-07-20 Thompson James N Method and apparatus for deployment of ocean bottom seismometers
WO2006134331A1 (fr) 2005-06-13 2006-12-21 Wireless Fibre Systems Ltd Systeme de communication sous-marin
US20090212969A1 (en) * 2008-02-26 2009-08-27 Vecto Gray Inc. Underwater Communications Using RF
WO2009122168A1 (fr) 2008-04-04 2009-10-08 Vetco Gray Controls Limited Système de communication pour une unité d’extraction d’hydrocarbure

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, pages 3441 - 3448
RAM SOMARAJU ET AL., FREQUENCY, TEMPERATURE AND SALINITY VARIATION OF THE PERMITTIVITY OF SEAWATER, vol. 54, no. 11, November 2006 (2006-11-01)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10221680B2 (en) 2015-03-17 2019-03-05 Ge Oil & Gas Uk Limited Underwater hydrocarbon extraction facility
CN118275153A (zh) * 2024-05-30 2024-07-02 威飞海洋装备制造有限公司 一种基于液压动力的浅水注水树测试系统及方法

Also Published As

Publication number Publication date
BR102012000058A2 (pt) 2015-06-02
BR102012000058A8 (pt) 2016-04-12
AU2011265528B2 (en) 2017-02-02
SG182906A1 (en) 2012-08-30
CN102591274A (zh) 2012-07-18
AU2011265528A1 (en) 2012-07-26
EP2474704B1 (fr) 2013-09-04
BR102012000058B1 (pt) 2020-03-31
MY152950A (en) 2014-12-15

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