CA837452A - Device for automatic pulling and running of drilling string - Google Patents

Device for automatic pulling and running of drilling string

Info

Publication number
CA837452A
CA837452A CA837452A CA837452DA CA837452A CA 837452 A CA837452 A CA 837452A CA 837452 A CA837452 A CA 837452A CA 837452D A CA837452D A CA 837452DA CA 837452 A CA837452 A CA 837452A
Authority
CA
Canada
Prior art keywords
running
drilling string
automatic pulling
pulling
automatic
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
CA837452A
Inventor
Nikolaevich Protopopov Nikolai
Mikhailovich Kotlyarov Alexandr
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.)
VSESOJUZNY NAUCHNO-ISSLEDOVATELSKY INSTITUT METODIKI I TEKHNIKI RAZVEDKI
Original Assignee
VSESOJUZNY NAUCHNO-ISSLEDOVATELSKY INSTITUT METODIKI I TEKHNIKI RAZVEDKI
Publication date
Application granted granted Critical
Publication of CA837452A publication Critical patent/CA837452A/en
Expired legal-status Critical Current

Links

CA837452A Device for automatic pulling and running of drilling string Expired CA837452A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA837452T

Publications (1)

Publication Number Publication Date
CA837452A true CA837452A (en) 1970-03-24

Family

ID=36321646

Family Applications (1)

Application Number Title Priority Date Filing Date
CA837452A Expired CA837452A (en) Device for automatic pulling and running of drilling string

Country Status (1)

Country Link
CA (1) CA837452A (en)

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