NO852282L - Roerdreneringsventil. - Google Patents

Roerdreneringsventil.

Info

Publication number
NO852282L
NO852282L NO852282A NO852282A NO852282L NO 852282 L NO852282 L NO 852282L NO 852282 A NO852282 A NO 852282A NO 852282 A NO852282 A NO 852282A NO 852282 L NO852282 L NO 852282L
Authority
NO
Norway
Prior art keywords
valve
piston
pipe
interior
string
Prior art date
Application number
NO852282A
Other languages
English (en)
Norwegian (no)
Inventor
Paul B Soderberg
Original Assignee
Soderberg Res & Dev
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 Soderberg Res & Dev filed Critical Soderberg Res & Dev
Publication of NO852282L publication Critical patent/NO852282L/no

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B34/00Valve arrangements for boreholes or wells
    • E21B34/06Valve arrangements for boreholes or wells in wells

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)
  • Multiple-Way Valves (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Sanitary Device For Flush Toilet (AREA)
  • Toys (AREA)
  • Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
NO852282A 1984-06-08 1985-06-06 Roerdreneringsventil. NO852282L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/618,469 US4645007A (en) 1984-06-08 1984-06-08 Tubing drain valve

Publications (1)

Publication Number Publication Date
NO852282L true NO852282L (no) 1985-12-09

Family

ID=24477840

Family Applications (1)

Application Number Title Priority Date Filing Date
NO852282A NO852282L (no) 1984-06-08 1985-06-06 Roerdreneringsventil.

Country Status (5)

Country Link
US (1) US4645007A (fr)
BR (1) BR8502716A (fr)
CA (1) CA1233744A (fr)
GB (1) GB2159859B (fr)
NO (1) NO852282L (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4807699A (en) * 1987-05-21 1989-02-28 Randy Merkey Tubing sleeve
GB8802498D0 (en) * 1988-02-04 1988-03-02 Hy Ram Eng Co Ltd Improvements relating to valves
US4944349A (en) * 1989-02-27 1990-07-31 Von Gonten Jr William D Combination downhole tubing circulating valve and fluid unloader and method
GB2315082B (en) * 1996-07-10 2000-12-06 Klaas Johannes Zwart Downhole apparatus
US6347668B1 (en) 2000-04-21 2002-02-19 Mcneill John L. Relievable check valve assembly for oil wells and water wells
CA2412072C (fr) 2001-11-19 2012-06-19 Packers Plus Energy Services Inc. Methode et appareil pour le traitement de fluides de forage
US6672393B2 (en) * 2002-02-26 2004-01-06 Roy R. Vann Reciprocating pump dump valve and methods of use
US6666270B2 (en) 2002-02-26 2003-12-23 Roy R. Vann Reciprocating pump vent-dump valve and methods of use
US8167047B2 (en) 2002-08-21 2012-05-01 Packers Plus Energy Services Inc. Method and apparatus for wellbore fluid treatment
US7047581B2 (en) * 2003-02-19 2006-05-23 Dreamwell, Ltd. Stranded mattress spring
US8757273B2 (en) 2008-04-29 2014-06-24 Packers Plus Energy Services Inc. Downhole sub with hydraulically actuable sleeve valve
CA2646231A1 (fr) 2008-12-05 2010-06-05 Tracy Earl Klotz Support de tubage a couple de securite et purgeur de tubage a couple de securite
CA2820491C (fr) 2012-06-25 2018-02-20 David S. Cramer Systeme, procede et appareil pour reguler le debit d'un liquide dans un train de tiges
MX368151B (es) 2012-11-13 2019-09-20 Gadu Inc Desagüe de tubería automático.
NZ734076A (en) 2015-02-23 2022-10-28 Dynomax Drilling Tools Inc Canada Downhole flow diversion device with oscillation damper
WO2016191721A2 (fr) 2015-05-27 2016-12-01 Flow Control Llc. Soupape de libération de fluide
US11613966B2 (en) 2021-07-22 2023-03-28 Black Gold Pump And Supply, Inc. Mechanical drain for oilfield service

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3794112A (en) * 1972-10-02 1974-02-26 Exxon Production Research Co Surface controlled subsurface safety valve
US3973586A (en) * 1975-04-16 1976-08-10 Exxon Production Research Company Velocity-tubing pressure actuated subsurface safety valve
US4331315A (en) * 1978-11-24 1982-05-25 Daniel Industries, Inc. Actuatable safety valve for wells and flowlines
US4257484A (en) * 1980-03-10 1981-03-24 Whitley Oran D Pressure differential circulating valve
US4330039A (en) * 1980-07-07 1982-05-18 Geo Vann, Inc. Pressure actuated vent assembly for slanted wellbores
US4429747A (en) * 1981-09-01 1984-02-07 Otis Engineering Corporation Well tool
US4452310A (en) * 1981-11-17 1984-06-05 Camco, Incorporated Metal-to-metal high/low pressure seal

Also Published As

Publication number Publication date
GB8513401D0 (en) 1985-07-03
BR8502716A (pt) 1986-02-12
US4645007A (en) 1987-02-24
CA1233744A (fr) 1988-03-08
GB2159859B (en) 1987-12-02
GB2159859A (en) 1985-12-11

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