GB2118998B - Valve for wells - Google Patents

Valve for wells

Info

Publication number
GB2118998B
GB2118998B GB08311342A GB8311342A GB2118998B GB 2118998 B GB2118998 B GB 2118998B GB 08311342 A GB08311342 A GB 08311342A GB 8311342 A GB8311342 A GB 8311342A GB 2118998 B GB2118998 B GB 2118998B
Authority
GB
United Kingdom
Prior art keywords
wells
valve
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB08311342A
Other versions
GB2118998A (en
GB8311342D0 (en
Inventor
Thomas M Deaton
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Otis Engineering Corp
Original Assignee
Otis Engineering 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 Otis Engineering Corp filed Critical Otis Engineering Corp
Publication of GB8311342D0 publication Critical patent/GB8311342D0/en
Publication of GB2118998A publication Critical patent/GB2118998A/en
Application granted granted Critical
Publication of GB2118998B publication Critical patent/GB2118998B/en
Expired legal-status Critical Current

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)
  • Lift Valve (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Details Of Valves (AREA)
GB08311342A 1982-04-27 1983-04-26 Valve for wells Expired GB2118998B (en)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
GB8311342D0 GB8311342D0 (en) 1983-06-02
GB2118998A GB2118998A (en) 1983-11-09
GB2118998B true GB2118998B (en) 1985-09-04

Family

ID=23466844

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08311342A Expired GB2118998B (en) 1982-04-27 1983-04-26 Valve for wells

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
CA1206870A (en) 1986-07-02
GB2118998A (en) 1983-11-09
GB8311342D0 (en) 1983-06-02
SG30986G (en) 1987-03-27
NO831465L (en) 1983-10-28

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee