SG30986G - Valve - Google Patents

Valve

Info

Publication number
SG30986G
SG30986G SG309/86A SG30986A SG30986G SG 30986 G SG30986 G SG 30986G SG 309/86 A SG309/86 A SG 309/86A SG 30986 A SG30986 A SG 30986A SG 30986 G SG30986 G SG 30986G
Authority
SG
Singapore
Prior art keywords
valve
Prior art date
Application number
SG309/86A
Original Assignee
Otis Eng Co
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 Otis Eng Co filed Critical Otis Eng Co
Publication of SG30986G publication Critical patent/SG30986G/en

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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/10—Valve arrangements in drilling-fluid circulation systems
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/10—Valve arrangements in drilling-fluid circulation systems
    • E21B21/103—Down-hole by-pass valve arrangements, i.e. between the inside of the drill string and the annulus
    • 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
    • E21B34/08—Valve arrangements for boreholes or wells in wells responsive to flow or pressure of the fluid obtained
    • 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
    • E21B2200/04—Ball valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Details Of Valves (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Lift Valve (AREA)
SG309/86A 1982-04-27 1986-03-31 Valve SG30986G (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US37213482A 1982-04-27 1982-04-27

Publications (1)

Publication Number Publication Date
SG30986G true SG30986G (en) 1987-03-27

Family

ID=23466844

Family Applications (1)

Application Number Title Priority Date Filing Date
SG309/86A SG30986G (en) 1982-04-27 1986-03-31 Valve

Country Status (4)

Country Link
CA (1) CA1206870A (en)
GB (1) GB2118998B (en)
NO (1) NO831465L (en)
SG (1) SG30986G (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4566478A (en) * 1982-04-27 1986-01-28 Otis Engineering Corporation Well safety and kill valve
US4912118A (en) * 1983-09-23 1990-03-27 National Research Development Corporation Pharmaceutical compositions
GB8514887D0 (en) * 1985-06-12 1985-07-17 Smedvig Peder As Down-hole blow-out preventers
GB9612609D0 (en) 1996-06-17 1996-08-21 Petroline Wireline Services Downhole apparatus
GB9905279D0 (en) 1999-03-08 1999-04-28 Petroline Wellsystems Ltd Downhole apparatus
US9353587B2 (en) 2011-09-21 2016-05-31 Weatherford Technology Holdings, Llc Three-way flow sub for continuous circulation
US10006262B2 (en) 2014-02-21 2018-06-26 Weatherford Technology Holdings, Llc Continuous flow system for drilling oil and gas wells

Also Published As

Publication number Publication date
GB2118998A (en) 1983-11-09
GB8311342D0 (en) 1983-06-02
GB2118998B (en) 1985-09-04
CA1206870A (en) 1986-07-02
NO831465L (en) 1983-10-28

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