IT1098504B - Valvola di sicurezza per prove di trivellazione di pozzi in particolare petroliferi,effettuate in mare mediante natanti di trivellazione - Google Patents

Valvola di sicurezza per prove di trivellazione di pozzi in particolare petroliferi,effettuate in mare mediante natanti di trivellazione

Info

Publication number
IT1098504B
IT1098504B IT27342/78A IT2734278A IT1098504B IT 1098504 B IT1098504 B IT 1098504B IT 27342/78 A IT27342/78 A IT 27342/78A IT 2734278 A IT2734278 A IT 2734278A IT 1098504 B IT1098504 B IT 1098504B
Authority
IT
Italy
Prior art keywords
drilling
sea
wells
tests
carried out
Prior art date
Application number
IT27342/78A
Other languages
English (en)
Other versions
IT7827342A0 (it
Original Assignee
Schlumberger Technology 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 Schlumberger Technology Corp filed Critical Schlumberger Technology Corp
Publication of IT7827342A0 publication Critical patent/IT7827342A0/it
Application granted granted Critical
Publication of IT1098504B publication Critical patent/IT1098504B/it

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
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E21B34/12—Valve arrangements for boreholes or wells in wells operated by movement of casings or tubings
    • 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
    • E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
    • E21B2200/05—Flapper valves

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)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Earth Drilling (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Safety Valves (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
IT27342/78A 1977-09-06 1978-09-05 Valvola di sicurezza per prove di trivellazione di pozzi in particolare petroliferi,effettuate in mare mediante natanti di trivellazione IT1098504B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/830,714 US4141418A (en) 1977-09-06 1977-09-06 Safety valve hydraulically operated by telescopic drill stem movement

Publications (2)

Publication Number Publication Date
IT7827342A0 IT7827342A0 (it) 1978-09-05
IT1098504B true IT1098504B (it) 1985-09-07

Family

ID=25257545

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27342/78A IT1098504B (it) 1977-09-06 1978-09-05 Valvola di sicurezza per prove di trivellazione di pozzi in particolare petroliferi,effettuate in mare mediante natanti di trivellazione

Country Status (11)

Country Link
US (1) US4141418A (it)
AR (1) AR225136A1 (it)
BR (1) BR7805772A (it)
CA (1) CA1091578A (it)
DE (1) DE2838255A1 (it)
FR (1) FR2402137B1 (it)
GB (1) GB2003959B (it)
IT (1) IT1098504B (it)
MX (1) MX147647A (it)
NL (1) NL185098C (it)
NO (1) NO783026L (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4458762A (en) * 1982-04-21 1984-07-10 Halliburton Company Recloseable auxiliary valve
US4648457A (en) * 1985-10-24 1987-03-10 Baker Oil Tools, Inc. Injection control device for subterranean well conduit
US4846280A (en) * 1988-04-08 1989-07-11 Marathon Oil Company Drill stem test method and apparatus
WO1998050675A1 (en) * 1997-05-05 1998-11-12 Williams J Terrell Multi-gage blowout preventer test tool and method
AU7370298A (en) * 1997-05-05 1998-11-27 Williams J. Terrell Shearable multi-gage blowout preventer test tool and method
US9212536B2 (en) 2012-06-25 2015-12-15 Schlumberger Technology Corporation Device having a hard seat support

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3367422A (en) * 1966-02-25 1968-02-06 National Science Foundation Usa Bumper sub position indicator
US3646995A (en) * 1969-12-08 1972-03-07 Halliburton Co Method and apparatus for testing offshore wells
US3653439A (en) * 1970-06-01 1972-04-04 Schlumberger Technology Corp Subsurface safety valve
US3815675A (en) * 1972-05-22 1974-06-11 Exxon Production Research Co Wireline operated subsurface safety valve
US3845818A (en) * 1973-08-10 1974-11-05 Otis Eng Co Well tools
US3861464A (en) * 1973-10-29 1975-01-21 Varco Int Safety valve for wells
US3901321A (en) * 1973-12-26 1975-08-26 Hydril Co Safety valve method and apparatus

Also Published As

Publication number Publication date
NL185098B (nl) 1989-08-16
BR7805772A (pt) 1979-04-24
DE2838255A1 (de) 1979-03-15
IT7827342A0 (it) 1978-09-05
NL185098C (nl) 1990-01-16
FR2402137B1 (fr) 1985-10-25
MX147647A (es) 1982-12-30
CA1091578A (en) 1980-12-16
GB2003959A (en) 1979-03-21
FR2402137A1 (fr) 1979-03-30
AR225136A1 (es) 1982-02-26
NL7808688A (nl) 1979-03-08
US4141418A (en) 1979-02-27
GB2003959B (en) 1982-01-27
NO783026L (no) 1979-03-07

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