GB2170330A - Hydraulic safety apparatus for pressure regulating valves supplying well blow out annular preventers - Google Patents

Hydraulic safety apparatus for pressure regulating valves supplying well blow out annular preventers Download PDF

Info

Publication number
GB2170330A
GB2170330A GB08529974A GB8529974A GB2170330A GB 2170330 A GB2170330 A GB 2170330A GB 08529974 A GB08529974 A GB 08529974A GB 8529974 A GB8529974 A GB 8529974A GB 2170330 A GB2170330 A GB 2170330A
Authority
GB
United Kingdom
Prior art keywords
hydraulic
pressure
pressure regulating
actuator
safety apparatus
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.)
Withdrawn
Application number
GB08529974A
Other languages
English (en)
Other versions
GB8529974D0 (en
Inventor
Bruno Sacchi
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.)
ORTOIL SpA
Original Assignee
ORTOIL SpA
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 ORTOIL SpA filed Critical ORTOIL SpA
Publication of GB8529974D0 publication Critical patent/GB8529974D0/en
Publication of GB2170330A publication Critical patent/GB2170330A/en
Withdrawn legal-status Critical Current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
    • E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
    • 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
    • E21B34/16—Control means therefor being outside the borehole
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/14—Control of fluid pressure with auxiliary non-electric power
    • G05D16/18—Control of fluid pressure with auxiliary non-electric power derived from an external source
    • G05D16/185—Control of fluid pressure with auxiliary non-electric power derived from an external source using membranes within the main valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Geology (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Fluid-Pressure Circuits (AREA)
GB08529974A 1984-12-05 1985-12-05 Hydraulic safety apparatus for pressure regulating valves supplying well blow out annular preventers Withdrawn GB2170330A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT23898/84A IT1178710B (it) 1984-12-05 1984-12-05 Apparecchiatura idraulica di sicurezza per valvole regolatrici di pressione per l'alimentazione di dispositivi anulari di prevenzione di eruzione di pozzi

Publications (2)

Publication Number Publication Date
GB8529974D0 GB8529974D0 (en) 1986-01-15
GB2170330A true GB2170330A (en) 1986-07-30

Family

ID=11210736

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08529974A Withdrawn GB2170330A (en) 1984-12-05 1985-12-05 Hydraulic safety apparatus for pressure regulating valves supplying well blow out annular preventers

Country Status (3)

Country Link
GB (1) GB2170330A (it)
IT (1) IT1178710B (it)
NO (1) NO854867L (it)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2224587A (en) * 1988-09-15 1990-05-09 Cyril Coleman Oil supply shut-off valve
US4955195A (en) * 1988-12-20 1990-09-11 Stewart & Stevenson Services, Inc. Fluid control circuit and method of operating pressure responsive equipment
US7377311B2 (en) 2005-03-23 2008-05-27 Scallen Richard E Wellhead valves
CN101781978B (zh) * 2009-11-30 2012-08-29 四川华宇石油钻采装备有限公司 安全截断阀集成控制系统

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2224587A (en) * 1988-09-15 1990-05-09 Cyril Coleman Oil supply shut-off valve
US4955195A (en) * 1988-12-20 1990-09-11 Stewart & Stevenson Services, Inc. Fluid control circuit and method of operating pressure responsive equipment
US7377311B2 (en) 2005-03-23 2008-05-27 Scallen Richard E Wellhead valves
CN101781978B (zh) * 2009-11-30 2012-08-29 四川华宇石油钻采装备有限公司 安全截断阀集成控制系统

Also Published As

Publication number Publication date
IT1178710B (it) 1987-09-16
GB8529974D0 (en) 1986-01-15
IT8423898A0 (it) 1984-12-05
IT8423898A1 (it) 1986-06-05
NO854867L (no) 1986-06-06

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)