DE3541826A1 - Ringraumventil, insbesondere fuer erdgas - und erdoelbohrungen - Google Patents

Ringraumventil, insbesondere fuer erdgas - und erdoelbohrungen

Info

Publication number
DE3541826A1
DE3541826A1 DE19853541826 DE3541826A DE3541826A1 DE 3541826 A1 DE3541826 A1 DE 3541826A1 DE 19853541826 DE19853541826 DE 19853541826 DE 3541826 A DE3541826 A DE 3541826A DE 3541826 A1 DE3541826 A1 DE 3541826A1
Authority
DE
Germany
Prior art keywords
valve
valve body
annular space
bores
spring
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
DE19853541826
Other languages
German (de)
English (en)
Other versions
DE3541826C2 (enrdf_load_stackoverflow
Inventor
Des Erfinders Auf Nennung Verzicht
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 GmbH
Original Assignee
Otis Engineering GmbH
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 GmbH filed Critical Otis Engineering GmbH
Priority to DE19853541826 priority Critical patent/DE3541826A1/de
Publication of DE3541826A1 publication Critical patent/DE3541826A1/de
Application granted granted Critical
Publication of DE3541826C2 publication Critical patent/DE3541826C2/de
Granted 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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
    • 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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/12—Packers; Plugs
    • E21B33/129—Packers; Plugs with mechanical slips for hooking into the casing
    • E21B33/1294—Packers; Plugs with mechanical slips for hooking into the casing characterised by a valve, e.g. a by-pass valve

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Safety Valves (AREA)
DE19853541826 1985-11-27 1985-11-27 Ringraumventil, insbesondere fuer erdgas - und erdoelbohrungen Granted DE3541826A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19853541826 DE3541826A1 (de) 1985-11-27 1985-11-27 Ringraumventil, insbesondere fuer erdgas - und erdoelbohrungen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853541826 DE3541826A1 (de) 1985-11-27 1985-11-27 Ringraumventil, insbesondere fuer erdgas - und erdoelbohrungen

Publications (2)

Publication Number Publication Date
DE3541826A1 true DE3541826A1 (de) 1987-06-04
DE3541826C2 DE3541826C2 (enrdf_load_stackoverflow) 1989-07-27

Family

ID=6286915

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19853541826 Granted DE3541826A1 (de) 1985-11-27 1985-11-27 Ringraumventil, insbesondere fuer erdgas - und erdoelbohrungen

Country Status (1)

Country Link
DE (1) DE3541826A1 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5318127A (en) * 1992-08-03 1994-06-07 Halliburton Company Surface controlled annulus safety system for well bores
EP2938810A4 (en) * 2012-12-28 2016-07-27 Halliburton Energy Services Inc REDUCTION OF SCRUB AND PISTON EFFECTS IN BORING HOLES

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3252476A (en) * 1963-04-12 1966-05-24 Jr John S Page Fluid pressure responsive valve and control means therefor
US4049052A (en) * 1976-04-05 1977-09-20 Otis Engineering Corporation Subsurface annulus safety valve
GB2093499A (en) * 1981-02-20 1982-09-02 Otis Eng Co Apparatus and method for controlling injection fluid flow in a well annulus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3252476A (en) * 1963-04-12 1966-05-24 Jr John S Page Fluid pressure responsive valve and control means therefor
US4049052A (en) * 1976-04-05 1977-09-20 Otis Engineering Corporation Subsurface annulus safety valve
DE2714049C2 (de) * 1976-04-05 1985-09-05 Otis Engineering Corp., Dallas, Tex. Bohrlochsicherungsvorrichtung
GB2093499A (en) * 1981-02-20 1982-09-02 Otis Eng Co Apparatus and method for controlling injection fluid flow in a well annulus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5318127A (en) * 1992-08-03 1994-06-07 Halliburton Company Surface controlled annulus safety system for well bores
EP2938810A4 (en) * 2012-12-28 2016-07-27 Halliburton Energy Services Inc REDUCTION OF SCRUB AND PISTON EFFECTS IN BORING HOLES
US10294741B2 (en) 2012-12-28 2019-05-21 Halliburton Energy Services, Inc. Mitigating swab and surge piston effects in wellbores

Also Published As

Publication number Publication date
DE3541826C2 (enrdf_load_stackoverflow) 1989-07-27

Similar Documents

Publication Publication Date Title
DE2900354C3 (de) Provisorische Abdichtung eines Lecks bei einem Rohrdrehgelenk
DE2938955C2 (de) Einrichtung zum Einleiten eines Steuermediums in eine in einem Bohrloch verlegte Steuerleitung
DE69526724T2 (de) Flüssigkeitsdichte verbindungsvorrichtung
DE4001731C2 (de) Stopfbuchs-Dichtungsanordnung
DE2803283A1 (de) Ueberdruckventil fuer hydraulische grubenstempel
EP0061415A1 (de) Ventil für hydraulische Systeme
DE2504616C2 (de) Sicherheitsventil für fördernde Bohrlöcher
DE2528546A1 (de) Schieberventil
DE3854362T2 (de) Unterwasser-Riser für Bohrlochköpfe mit mehreren Steigrohren.
DE2352085B2 (de) Vorrichtung zur Betätigung einer Bohrlochpackung
DE3541826C2 (enrdf_load_stackoverflow)
EP0011741B1 (de) Abdichtring für Rohrstränge von Erdöl- und Erdgasbohrungen
DE3306382C2 (enrdf_load_stackoverflow)
EP0519582B1 (de) Gasdichte Rohrverbindung
DE2213098C3 (de) Druckbetätigtes Sicherheitsventil für Bohrlochrohrstränge
DE1550468B2 (de) Doppelsitzventil
DE3818746C1 (en) Pipe branch
DE1500275A1 (de) Hochdruckkegelventil
EP0709527B1 (de) Rückflussverhinderungseinrichtung
DE1090902B (de) Anbohr- und Abzweigstueck fuer eine unter Druck stehende Hauptleitung, insbesondere eine unterirdisch verlegte Gasleitung
CH670138A5 (en) Closure for cone valves acting as fluid regulator - has replaceable hard metal wear parts to prolong life of fitting
DE3116267C2 (de) Abdichtungsvorrichtung für eine drehbar gelagerte Spindel eines Ventils
DE2841819A1 (de) Geteilte abdichtung fuer einen teleskopverbinder
DE2360090C3 (de) Druckentlasteter Absperrhahn
DE2916436A1 (de) Abdichtring fuer bohrstraenge von erdoel- und erdgasbohrungen

Legal Events

Date Code Title Description
8101 Request for examination as to novelty
8105 Search report available
8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: E21B 34/10

8181 Inventor (new situation)

Free format text: VOIGT, KLAUS, DIPL.-ING., 3101 HAMBUEHREN, DE

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee
8370 Indication of lapse of patent is to be deleted
8339 Ceased/non-payment of the annual fee