GB8311342D0 - Valve - Google Patents

Valve

Info

Publication number
GB8311342D0
GB8311342D0 GB838311342A GB8311342A GB8311342D0 GB 8311342 D0 GB8311342 D0 GB 8311342D0 GB 838311342 A GB838311342 A GB 838311342A GB 8311342 A GB8311342 A GB 8311342A GB 8311342 D0 GB8311342 D0 GB 8311342D0
Authority
GB
United Kingdom
Prior art keywords
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.)
Granted
Application number
GB838311342A
Other versions
GB2118998A (en
GB2118998B (en
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)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Details Of Valves (AREA)
  • Lift Valve (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 true GB8311342D0 (en) 1983-06-02
GB2118998A GB2118998A (en) 1983-11-09
GB2118998B 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
SG30986G (en) 1987-03-27
CA1206870A (en) 1986-07-02
GB2118998A (en) 1983-11-09
NO831465L (en) 1983-10-28
GB2118998B (en) 1985-09-04

Similar Documents

Publication Publication Date Title
GB8500834D0 (en) Valve
GB8311204D0 (en) Valve
GB8320999D0 (en) Valve
EP0180248A3 (en) Valve arrangement
ZA837941B (en) Valves
GB2118252B (en) Valve actuator-covers
GB8331800D0 (en) Valve
GB2120753B (en) Valve
GB8311845D0 (en) Valves
PL240606A1 (en) Valve
GB8300243D0 (en) Valve arrangement
GB2133507B (en) Valve
GB8311342D0 (en) Valve
GB2117490B (en) Valves
GB8300627D0 (en) Valve
GB2132318B (en) Valve
GB2117497B (en) Valve
GB2131124B (en) Valves
GB2133501B (en) Valve
GB2170578B (en) Valve
GB2133503B (en) Valve
GB2125148B (en) Valve
GB2123531B (en) Valves
GB8508911D0 (en) Valve
GB2119064B (en) Valve

Legal Events

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