CA895722A - Mechanism for hoisting drilling string stands - Google Patents

Mechanism for hoisting drilling string stands

Info

Publication number
CA895722A
CA895722A CA895722A CA895722DA CA895722A CA 895722 A CA895722 A CA 895722A CA 895722 A CA895722 A CA 895722A CA 895722D A CA895722D A CA 895722DA CA 895722 A CA895722 A CA 895722A
Authority
CA
Canada
Prior art keywords
drilling string
string stands
hoisting
hoisting drilling
stands
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
CA895722A
Inventor
P. Raigorodsky Rafail
V. Kalabalyk Anatoly
S. Chernikov Mikhail
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.)
Gosudarstvenny Nauchno-Issledovatelsky I Proektny Institut Neftyanogo Ma Shinostroenia "giproneftemash"
Original Assignee
Gosudarstvenny Nauchno-Issledovatelsky I Proektny Institut Neftyanogo Ma Shinostroenia "giproneftemash"
Publication date
Application granted granted Critical
Publication of CA895722A publication Critical patent/CA895722A/en
Expired legal-status Critical Current

Links

CA895722A Mechanism for hoisting drilling string stands Expired CA895722A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA895722T

Publications (1)

Publication Number Publication Date
CA895722A true CA895722A (en) 1972-03-21

Family

ID=36401700

Family Applications (1)

Application Number Title Priority Date Filing Date
CA895722A Expired CA895722A (en) Mechanism for hoisting drilling string stands

Country Status (1)

Country Link
CA (1) CA895722A (en)

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