CA582881A - Soupape flottante de tuyau de sondage - Google Patents

Soupape flottante de tuyau de sondage

Info

Publication number
CA582881A
CA582881A CA582881A CA582881DA CA582881A CA 582881 A CA582881 A CA 582881A CA 582881 A CA582881 A CA 582881A CA 582881D A CA582881D A CA 582881DA CA 582881 A CA582881 A CA 582881A
Authority
CA
Canada
Prior art keywords
drill pipe
float valve
pipe float
valve
drill
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
CA582881A
Other languages
English (en)
Inventor
C. Baker Reuben
M. Ragan Thomas
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
Publication date
Application granted granted Critical
Publication of CA582881A publication Critical patent/CA582881A/fr
Expired legal-status Critical Current

Links

CA582881A Soupape flottante de tuyau de sondage Expired CA582881A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA582881T

Publications (1)

Publication Number Publication Date
CA582881A true CA582881A (fr) 1959-09-08

Family

ID=35762318

Family Applications (1)

Application Number Title Priority Date Filing Date
CA582881A Expired CA582881A (fr) Soupape flottante de tuyau de sondage

Country Status (1)

Country Link
CA (1) CA582881A (fr)

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