CA1046934A - Soupape de securite a bille divisee pour tubage de puits - Google Patents

Soupape de securite a bille divisee pour tubage de puits

Info

Publication number
CA1046934A
CA1046934A CA302,503A CA302503A CA1046934A CA 1046934 A CA1046934 A CA 1046934A CA 302503 A CA302503 A CA 302503A CA 1046934 A CA1046934 A CA 1046934A
Authority
CA
Canada
Prior art keywords
ball
valve
ball valve
sleeve
piston sleeve
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
CA302,503A
Other languages
English (en)
Inventor
Talmadge L. Crowe
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.)
Baker Hughes Oilfield Operations LLC
Original Assignee
Baker Oil Tools Inc
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 US05/554,623 external-priority patent/US3971438A/en
Application filed by Baker Oil Tools Inc filed Critical Baker Oil Tools Inc
Application granted granted Critical
Publication of CA1046934A publication Critical patent/CA1046934A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
CA302,503A 1975-03-03 1978-05-03 Soupape de securite a bille divisee pour tubage de puits Expired CA1046934A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/554,623 US3971438A (en) 1975-03-03 1975-03-03 Wireline safety valve with split ball
CA242,939A CA1038750A (fr) 1975-03-03 1976-01-05 Soupape de securite a bille

Publications (1)

Publication Number Publication Date
CA1046934A true CA1046934A (fr) 1979-01-23

Family

ID=25668181

Family Applications (2)

Application Number Title Priority Date Filing Date
CA302,503A Expired CA1046934A (fr) 1975-03-03 1978-05-03 Soupape de securite a bille divisee pour tubage de puits
CA302,504A Expired CA1043697A (fr) 1975-03-03 1978-05-03 Robinet de surete a boisseau bi-elements sur canalisation de forage

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA302,504A Expired CA1043697A (fr) 1975-03-03 1978-05-03 Robinet de surete a boisseau bi-elements sur canalisation de forage

Country Status (1)

Country Link
CA (2) CA1046934A (fr)

Also Published As

Publication number Publication date
CA1043697A (fr) 1978-12-05

Similar Documents

Publication Publication Date Title
US3971438A (en) Wireline safety valve with split ball
US3868995A (en) Sub-surface safety valve
US5211241A (en) Variable flow sliding sleeve valve and positioning shifting tool therefor
US4230185A (en) Rod operated rotary well valve
US5957207A (en) Flow control apparatus for use in a subterranean well and associated methods
US4103744A (en) Safety valve and ball type equalizing valve
US3830297A (en) Sub-surface safety valve with improved balancing valve means
US6422317B1 (en) Flow control apparatus and method for use of the same
US5979558A (en) Variable choke for use in a subterranean well
US6227302B1 (en) Apparatus and method for controlling fluid flow in a wellbore
AU733356B2 (en) Flow control apparatus for use in a subterranean well and associated methods
US4331315A (en) Actuatable safety valve for wells and flowlines
US6892816B2 (en) Method and apparatus for selective injection or flow control with through-tubing operation capacity
US3703193A (en) Valves
US6367551B1 (en) Monobore riser
CA2496331C (fr) Dispositif d'etancheite pour soupape de surete
US5095994A (en) Flow actuated safety valve with retrievable choke and metal seals
US7779925B2 (en) Seal assembly energized with floating pistons
CA2115247A1 (fr) Vanne d'essai de tube
EP0870901A2 (fr) Matériel de forage
EP0855492B1 (fr) Outil pour les puits
US3783942A (en) Inside drilling tool blowout preventer
US4784225A (en) Well valve assembly method and apparatus
US3796257A (en) Subsurface safety valve
US3850242A (en) Subsurface safety valve