CA1265996A - Dispositif de commande fonctionnant par voie hydraulique - Google Patents

Dispositif de commande fonctionnant par voie hydraulique

Info

Publication number
CA1265996A
CA1265996A CA000583306A CA583306A CA1265996A CA 1265996 A CA1265996 A CA 1265996A CA 000583306 A CA000583306 A CA 000583306A CA 583306 A CA583306 A CA 583306A CA 1265996 A CA1265996 A CA 1265996A
Authority
CA
Canada
Prior art keywords
pressure
valve
control unit
mandrel
tube
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 - Lifetime
Application number
CA000583306A
Other languages
English (en)
Inventor
Bernard Doremus
Dale E. Meek
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.)
Schlumberger Canada Ltd
Original Assignee
Individual
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
Priority claimed from US06/740,085 external-priority patent/US4658904A/en
Application filed by Individual filed Critical Individual
Priority to CA000583306A priority Critical patent/CA1265996A/fr
Application granted granted Critical
Publication of CA1265996A publication Critical patent/CA1265996A/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Safety Valves (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
CA000583306A 1985-05-31 1988-11-16 Dispositif de commande fonctionnant par voie hydraulique Expired - Lifetime CA1265996A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000583306A CA1265996A (fr) 1985-05-31 1988-11-16 Dispositif de commande fonctionnant par voie hydraulique

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US06/740,085 US4658904A (en) 1985-05-31 1985-05-31 Subsea master valve for use in well testing
US740,085 1985-05-31
CA000510429A CA1260384A (fr) 1985-05-31 1986-05-30 Vanne-maitresse sous-marine pour l'essai des forages
CA000583306A CA1265996A (fr) 1985-05-31 1988-11-16 Dispositif de commande fonctionnant par voie hydraulique

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA000510429A Division CA1260384A (fr) 1985-05-31 1986-05-30 Vanne-maitresse sous-marine pour l'essai des forages

Publications (1)

Publication Number Publication Date
CA1265996A true CA1265996A (fr) 1990-02-20

Family

ID=25671014

Family Applications (3)

Application Number Title Priority Date Filing Date
CA000583305A Expired - Lifetime CA1265438A (fr) 1985-05-31 1988-11-16 Robinet a boisseau spherique
CA000583306A Expired - Lifetime CA1265996A (fr) 1985-05-31 1988-11-16 Dispositif de commande fonctionnant par voie hydraulique
CA000583307A Expired - Lifetime CA1265439A (fr) 1985-05-31 1988-11-16 Methode d'essai du rendement d'un forage

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA000583305A Expired - Lifetime CA1265438A (fr) 1985-05-31 1988-11-16 Robinet a boisseau spherique

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA000583307A Expired - Lifetime CA1265439A (fr) 1985-05-31 1988-11-16 Methode d'essai du rendement d'un forage

Country Status (1)

Country Link
CA (3) CA1265438A (fr)

Also Published As

Publication number Publication date
CA1265439A (fr) 1990-02-06
CA1265438A (fr) 1990-02-06

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Legal Events

Date Code Title Description
MKLA Lapsed