BR8102183A - Sistema de operacao de valvula hidraulica - Google Patents

Sistema de operacao de valvula hidraulica

Info

Publication number
BR8102183A
BR8102183A BR8102183A BR8102183A BR8102183A BR 8102183 A BR8102183 A BR 8102183A BR 8102183 A BR8102183 A BR 8102183A BR 8102183 A BR8102183 A BR 8102183A BR 8102183 A BR8102183 A BR 8102183A
Authority
BR
Brazil
Prior art keywords
operation system
hydraulic valve
valve operation
hydraulic
valve
Prior art date
Application number
BR8102183A
Other languages
English (en)
Inventor
L Talafuse
Original Assignee
Fmc Corp
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 Fmc Corp filed Critical Fmc Corp
Publication of BR8102183A publication Critical patent/BR8102183A/pt

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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/16—Control means therefor being outside the borehole
BR8102183A 1980-04-11 1981-04-10 Sistema de operacao de valvula hidraulica BR8102183A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13950280A 1980-04-11 1980-04-11

Publications (1)

Publication Number Publication Date
BR8102183A true BR8102183A (pt) 1981-10-13

Family

ID=22486976

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8102183A BR8102183A (pt) 1980-04-11 1981-04-10 Sistema de operacao de valvula hidraulica

Country Status (3)

Country Link
EP (1) EP0038034A3 (pt)
BR (1) BR8102183A (pt)
CA (1) CA1156139A (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO309737B1 (no) * 1999-09-30 2001-03-19 Kongsberg Offshore As Anordning ved et undervannssystem til styring av en hydraulikkaktuator og et system med en sådan anordning
US6427778B1 (en) 2000-05-18 2002-08-06 Baker Hughes Incorporated Control system for deep set subsurface valves
WO2015163767A1 (en) * 2014-04-25 2015-10-29 Subsea Chokes International As Actuator for use in subsea installations

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2998070A (en) * 1958-11-17 1961-08-29 Otis Eng Co Tamper proof manifold
US3142337A (en) * 1960-10-24 1964-07-28 Shell Oil Co Hydraulic system for underwater wellheads
US3763891A (en) * 1972-01-13 1973-10-09 M Stiltner Control valve
US3854695A (en) * 1972-09-28 1974-12-17 Vetco Offshore Ind Inc Electromagnet control apparatus
US4082147A (en) * 1977-02-24 1978-04-04 Hydril Company Method and apparatus for a surface control system for: subsurface safety valves
GB1597472A (en) * 1977-08-12 1981-09-09 Fmc Corp Valve control circuits
US4258786A (en) * 1978-06-05 1981-03-31 Fmc Corporation Safety valve operating apparatus

Also Published As

Publication number Publication date
CA1156139A (en) 1983-11-01
EP0038034A2 (en) 1981-10-21
EP0038034A3 (en) 1981-11-04

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