WO2004083970A3 - Distributed control system - Google Patents

Distributed control system Download PDF

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Publication number
WO2004083970A3
WO2004083970A3 PCT/IB2004/000767 IB2004000767W WO2004083970A3 WO 2004083970 A3 WO2004083970 A3 WO 2004083970A3 IB 2004000767 W IB2004000767 W IB 2004000767W WO 2004083970 A3 WO2004083970 A3 WO 2004083970A3
Authority
WO
WIPO (PCT)
Prior art keywords
distributed control
control system
real
time
network
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/IB2004/000767
Other languages
French (fr)
Other versions
WO2004083970A2 (en
Inventor
Sarmad Adnan
Shunfeng Zheng
Matthew D Rouse
Weibin Lu
Kent C Opel
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.)
Sofitech NV
Schlumberger Canada Ltd
Services Petroliers Schlumberger SA
Schlumberger Technology BV
Schlumberger Technology Corp
Schlumberger Holdings Ltd
Original Assignee
Sofitech NV
Schlumberger Canada Ltd
Services Petroliers Schlumberger SA
Schlumberger Technology BV
Schlumberger Technology Corp
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 Sofitech NV, Schlumberger Canada Ltd, Services Petroliers Schlumberger SA, Schlumberger Technology BV, Schlumberger Technology Corp, Schlumberger Holdings Ltd filed Critical Sofitech NV
Priority to EP04720928A priority Critical patent/EP1606677A2/en
Priority to EA200501470A priority patent/EA007346B1/en
Priority to CA2519111A priority patent/CA2519111C/en
Priority to MXPA05009762A priority patent/MXPA05009762A/en
Publication of WO2004083970A2 publication Critical patent/WO2004083970A2/en
Publication of WO2004083970A3 publication Critical patent/WO2004083970A3/en
Anticipated expiration legal-status Critical
Priority to NO20054354A priority patent/NO336877B1/en
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B15/00—Systems controlled by a computer
    • G05B15/02—Systems controlled by a computer electric
    • 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
    • E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Mining & Mineral Resources (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Pipeline Systems (AREA)
  • Small-Scale Networks (AREA)
  • Control Of Conveyors (AREA)
  • Control By Computers (AREA)
  • Selective Calling Equipment (AREA)
  • Multi Processors (AREA)

Abstract

A distributed control system permits local or remote control of equipment. The distributed control system provides a communication bridge through a local control panel between a non-real-time network, such as an Ethernet, and a real-time network, such as a controller area network. Both soft real-time and hard real-time networks are suitable, but hard real-time is preferred. The system uses multiple distributed control units to control various equipment components and is thus highly expandable. The distributed control system may be applied in any environment. When applied to a skid-mounted coiled tubing unit, the distributed control system reduces the amount of hydraulic hose required and therefore makes set up and take down shorter and more economical.
PCT/IB2004/000767 2003-03-18 2004-03-16 Distributed control system Ceased WO2004083970A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP04720928A EP1606677A2 (en) 2003-03-18 2004-03-16 Distributed control system
EA200501470A EA007346B1 (en) 2003-03-18 2004-03-16 Distributed control system
CA2519111A CA2519111C (en) 2003-03-18 2004-03-16 Distributed control system
MXPA05009762A MXPA05009762A (en) 2003-03-18 2004-03-16 Distributed control system.
NO20054354A NO336877B1 (en) 2003-03-18 2005-09-20 Method and system for distributed control of a coil tubing unit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/390,972 US6968905B2 (en) 2003-03-18 2003-03-18 Distributed control system
US10/390,972 2003-03-18

Publications (2)

Publication Number Publication Date
WO2004083970A2 WO2004083970A2 (en) 2004-09-30
WO2004083970A3 true WO2004083970A3 (en) 2005-05-26

Family

ID=32987609

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2004/000767 Ceased WO2004083970A2 (en) 2003-03-18 2004-03-16 Distributed control system

Country Status (7)

Country Link
US (1) US6968905B2 (en)
EP (1) EP1606677A2 (en)
CA (1) CA2519111C (en)
EA (1) EA007346B1 (en)
MX (1) MXPA05009762A (en)
NO (1) NO336877B1 (en)
WO (1) WO2004083970A2 (en)

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Also Published As

Publication number Publication date
US6968905B2 (en) 2005-11-29
EP1606677A2 (en) 2005-12-21
CA2519111A1 (en) 2004-09-30
EA200501470A1 (en) 2006-02-24
WO2004083970A2 (en) 2004-09-30
US20040182574A1 (en) 2004-09-23
NO20054354L (en) 2005-11-23
MXPA05009762A (en) 2005-10-26
EA007346B1 (en) 2006-08-25
NO20054354D0 (en) 2005-09-20
NO336877B1 (en) 2015-11-23
CA2519111C (en) 2012-04-17

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