IT8423898A1 - Apparecchiatura idraulica di sicurezza per valvole regolatrici di pressione per l'alimentazione di dispositivi anulari di prevenzione di eruzione di pozzi. - Google Patents

Apparecchiatura idraulica di sicurezza per valvole regolatrici di pressione per l'alimentazione di dispositivi anulari di prevenzione di eruzione di pozzi.

Info

Publication number
IT8423898A1
IT8423898A1 IT1984A23898A IT2389884A IT8423898A1 IT 8423898 A1 IT8423898 A1 IT 8423898A1 IT 1984A23898 A IT1984A23898 A IT 1984A23898A IT 2389884 A IT2389884 A IT 2389884A IT 8423898 A1 IT8423898 A1 IT 8423898A1
Authority
IT
Italy
Prior art keywords
pressure regulating
safety equipment
regulating valves
prevention devices
annular well
Prior art date
Application number
IT1984A23898A
Other languages
English (en)
Other versions
IT1178710B (it
IT8423898A0 (it
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
Priority to IT23898/84A priority Critical patent/IT1178710B/it
Publication of IT8423898A0 publication Critical patent/IT8423898A0/it
Priority to NO854867A priority patent/NO854867L/no
Priority to GB08529974A priority patent/GB2170330A/en
Publication of IT8423898A1 publication Critical patent/IT8423898A1/it
Application granted granted Critical
Publication of IT1178710B publication Critical patent/IT1178710B/it

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
IT23898/84A 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 IT1178710B (it)

Priority Applications (3)

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
NO854867A NO854867L (no) 1984-12-05 1985-12-03 Hydraulisk sikkerhetsanordning for trykkreguleringsventiler.
GB08529974A GB2170330A (en) 1984-12-05 1985-12-05 Hydraulic safety apparatus for pressure regulating valves supplying well blow out annular preventers

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 (3)

Publication Number Publication Date
IT8423898A0 IT8423898A0 (it) 1984-12-05
IT8423898A1 true IT8423898A1 (it) 1986-06-05
IT1178710B IT1178710B (it) 1987-09-16

Family

ID=11210736

Family Applications (1)

Application Number Title Priority Date Filing Date
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

Country Status (3)

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

Families Citing this family (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
GB2170330A (en) 1986-07-30
NO854867L (no) 1986-06-06
GB8529974D0 (en) 1986-01-15
IT1178710B (it) 1987-09-16
IT8423898A0 (it) 1984-12-05

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