CA414614A - Tampon de tige de perforatrice - Google Patents

Tampon de tige de perforatrice

Info

Publication number
CA414614A
CA414614A CA414614A CA414614DA CA414614A CA 414614 A CA414614 A CA 414614A CA 414614 A CA414614 A CA 414614A CA 414614D A CA414614D A CA 414614DA CA 414614 A CA414614 A CA 414614A
Authority
CA
Canada
Prior art keywords
drilling string
string plug
plug
drilling
string
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
CA414614A
Other languages
English (en)
Inventor
E. Davis Ellis
Vivian Steadman Horace
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.)
Shell Development Co
Original Assignee
Shell Development Co
Publication date
Application granted granted Critical
Publication of CA414614A publication Critical patent/CA414614A/fr
Expired legal-status Critical Current

Links

CA414614A Tampon de tige de perforatrice Expired CA414614A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA414614T

Publications (1)

Publication Number Publication Date
CA414614A true CA414614A (fr) 1943-08-17

Family

ID=35523808

Family Applications (1)

Application Number Title Priority Date Filing Date
CA414614A Expired CA414614A (fr) Tampon de tige de perforatrice

Country Status (1)

Country Link
CA (1) CA414614A (fr)

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