CA776490A - Well pressure control apparatus - Google Patents

Well pressure control apparatus

Info

Publication number
CA776490A
CA776490A CA776490A CA776490DA CA776490A CA 776490 A CA776490 A CA 776490A CA 776490 A CA776490 A CA 776490A CA 776490D A CA776490D A CA 776490DA CA 776490 A CA776490 A CA 776490A
Authority
CA
Canada
Prior art keywords
control apparatus
pressure control
well pressure
well
pressure
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
CA776490A
Inventor
E. Parkhurst Warren
Cassius L. Tillman, Iii
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA776490A publication Critical patent/CA776490A/en
Expired legal-status Critical Current

Links

CA776490A Well pressure control apparatus Expired CA776490A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA776490T

Publications (1)

Publication Number Publication Date
CA776490A true CA776490A (en) 1968-01-23

Family

ID=36223786

Family Applications (1)

Application Number Title Priority Date Filing Date
CA776490A Expired CA776490A (en) Well pressure control apparatus

Country Status (1)

Country Link
CA (1) CA776490A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3739846A (en) * 1972-01-19 1973-06-19 Rockwell Mfg Co Head to hanger hydraulic connection
US3814179A (en) * 1973-05-08 1974-06-04 Gray Tool Co Well head set screw port exit of control line for down-hole safety valve
US3965977A (en) * 1973-04-19 1976-06-29 Mcevoy Oilfield Equipment Co. Control line exiting coupling

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3739846A (en) * 1972-01-19 1973-06-19 Rockwell Mfg Co Head to hanger hydraulic connection
US3965977A (en) * 1973-04-19 1976-06-29 Mcevoy Oilfield Equipment Co. Control line exiting coupling
US3814179A (en) * 1973-05-08 1974-06-04 Gray Tool Co Well head set screw port exit of control line for down-hole safety valve

Similar Documents

Publication Publication Date Title
CA926488A (en) Control apparatus
CA776490A (en) Well pressure control apparatus
CA852471A (en) Cyclical control apparatus
CA922534A (en) Control apparatus
AU433973B2 (en) Pressure responsive control apparatus
CA774938A (en) Fluid control apparatus
CA776968A (en) Fluid control apparatus
AU419367B2 (en) Control apparatus
CA786559A (en) Control apparatus
AU421912B2 (en) Control apparatus
CA776977A (en) Control apparatus
CA777389A (en) Control apparatus
CA779807A (en) Control apparatus
CA782034A (en) Control apparatus
AU436013B2 (en) Control apparatus
CA786646A (en) Control apparatus
CA793613A (en) Control apparatus
CA794950A (en) Control apparatus
CA796561A (en) Control apparatus
CA801155A (en) Control apparatus
CA777595A (en) Pure fluid control apparatus
CA782376A (en) Pure fluid control apparatus
CA797491A (en) Pressure controlled device
CA778107A (en) Pressure responsive apparatus
AU4748868A (en) Control apparatus