NL7211842A - - Google Patents

Info

Publication number
NL7211842A
NL7211842A NL7211842A NL7211842A NL7211842A NL 7211842 A NL7211842 A NL 7211842A NL 7211842 A NL7211842 A NL 7211842A NL 7211842 A NL7211842 A NL 7211842A NL 7211842 A NL7211842 A NL 7211842A
Authority
NL
Netherlands
Application number
NL7211842A
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 filed Critical
Publication of NL7211842A publication Critical patent/NL7211842A/xx

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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/02—Valve arrangements for boreholes or wells in well heads
    • E21B34/04—Valve arrangements for boreholes or wells in well heads in underwater well heads
    • 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
    • E21B33/04—Casing heads; Suspending casings or tubings in well heads
    • E21B33/047—Casing heads; Suspending casings or tubings in well heads for plural tubing strings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87153—Plural noncommunicating flow paths

Landscapes

  • 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)
  • Earth Drilling (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Safety Valves (AREA)
  • Drilling And Boring (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
NL7211842A 1971-11-01 1972-08-31 NL7211842A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05194187 US3850237A (en) 1971-11-01 1971-11-01 Mudline emergency shutoff for offshore wells

Publications (1)

Publication Number Publication Date
NL7211842A true NL7211842A (xx) 1973-05-03

Family

ID=22716626

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7211842A NL7211842A (xx) 1971-11-01 1972-08-31

Country Status (10)

Country Link
US (1) US3850237A (xx)
JP (1) JPS531722B2 (xx)
AU (1) AU466775B2 (xx)
BR (1) BR7207627D0 (xx)
CA (1) CA965697A (xx)
FR (1) FR2158189A1 (xx)
GB (2) GB1386109A (xx)
IT (1) IT969497B (xx)
NL (1) NL7211842A (xx)
NO (1) NO772256L (xx)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4038632A (en) * 1972-10-02 1977-07-26 Del Norte Technology, Inc. Oil and gas well disaster valve control system
US3961308A (en) * 1972-10-02 1976-06-01 Del Norte Technology, Inc. Oil and gas well disaster valve control system
US4138148A (en) * 1977-04-25 1979-02-06 Standard Oil Company (Indiana) Split-ring riser latch
USRE31645E (en) * 1977-08-01 1984-08-14 Regan Offshore International, Inc. Safety apparatus for automatically sealing hydraulic lines within a sub-sea well casing
GB2038906B (en) * 1978-12-13 1982-11-10 Vetco Inc Wellhead connection apparatus
JPS55134340U (xx) * 1979-03-17 1980-09-24
US4405014A (en) * 1980-04-11 1983-09-20 Fmc Corporation Safety valve manifold system
GB9509547D0 (en) * 1995-05-11 1995-07-05 Expro North Sea Ltd Completion sub-sea test tree
NO329340B1 (no) 1998-12-18 2010-10-04 Vetco Gray Inc Undervannsbronnanordning omfattende et undervannstre, og fremgangsmate for kobling av et undervannstre til et overflatefartoy for en overhalingsprosess
WO2003016674A1 (en) * 2001-08-17 2003-02-27 Kvaerner Oilfield Products Limited Annulus monitoring system
NO332032B1 (no) * 2001-11-21 2012-05-29 Vetco Gray Inc Undersjoisk bronnhodemontasje og framgangsmate for komplettering av en undersjoisk bronn
US7234527B2 (en) * 2002-07-03 2007-06-26 Halliburton Energy Services, Inc. System and method for fail-safe disconnect from a subsea well
US7240735B2 (en) * 2003-12-10 2007-07-10 Vetco Gray Inc. Subsea wellhead assembly
NO344010B1 (no) * 2008-02-27 2019-08-12 Vetco Gray Inc Undersjøisk system og brønnhodesammensetning for produksjon av hydrokarboner, samt framgangsmåte for drift av undersjøisk produksjonselement
US8690124B2 (en) * 2009-12-11 2014-04-08 Ge Oil & Gas Pressure Control Lp Gate valve
CN110318712B (zh) * 2019-08-08 2024-03-15 淄博东华石油技术有限公司 一种采油专用井下液力马达

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US27464A (en) * 1860-03-13 Andrew a
US3062288A (en) * 1959-07-30 1962-11-06 Shell Oil Co Underwater dual tubing well completion
US3064735A (en) * 1959-08-17 1962-11-20 Shell Oil Co Wellhead assembly lock-down apparatus
US3099317A (en) * 1959-09-24 1963-07-30 Fmc Corp Underwater well completion assembly
US3307574A (en) * 1964-02-07 1967-03-07 Acf Ind Inc Drain structure for venting leaked fluid from valve stem packing
US3379405A (en) * 1966-01-03 1968-04-23 Acf Ind Inc Valve
US3685580A (en) * 1968-07-26 1972-08-22 Douwe De Vries Dual zone completion system
US3635436A (en) * 1970-04-27 1972-01-18 Marotta Scientific Controls Straight-through flow valve with restricting seals
US3646962A (en) * 1970-10-16 1972-03-07 Cameron Iron Works Inc Remotely located apparatus for producing well fluids
US3710860A (en) * 1971-07-30 1973-01-16 Gray Tool Co Petroleum well safety valve

Also Published As

Publication number Publication date
DE2252781B2 (de) 1976-08-19
US3850237A (en) 1974-11-26
CA965697A (en) 1975-04-08
JPS531722B2 (xx) 1978-01-21
DE2252781A1 (de) 1973-05-10
AU466775B2 (en) 1975-11-06
AU4487972A (en) 1974-01-31
JPS4852601A (xx) 1973-07-24
GB1386108A (en) 1975-03-05
BR7207627D0 (pt) 1973-09-18
NO772256L (no) 1973-05-03
IT969497B (it) 1974-03-30
FR2158189A1 (xx) 1973-06-15
GB1386109A (en) 1975-03-05

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Legal Events

Date Code Title Description
BV The patent application has lapsed