CA491911A - Substructure d'installation de forage - Google Patents

Substructure d'installation de forage

Info

Publication number
CA491911A
CA491911A CA491911A CA491911DA CA491911A CA 491911 A CA491911 A CA 491911A CA 491911 A CA491911 A CA 491911A CA 491911D A CA491911D A CA 491911DA CA 491911 A CA491911 A CA 491911A
Authority
CA
Canada
Prior art keywords
drilling rig
rig substructure
substructure
drilling
rig
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
CA491911A
Other languages
English (en)
Inventor
R. Gregory James
S. Penfield Charles
F. Bates William
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 CA491911A publication Critical patent/CA491911A/fr
Expired legal-status Critical Current

Links

CA491911A Substructure d'installation de forage Expired CA491911A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA491911T

Publications (1)

Publication Number Publication Date
CA491911A true CA491911A (fr) 1953-04-07

Family

ID=35631657

Family Applications (1)

Application Number Title Priority Date Filing Date
CA491911A Expired CA491911A (fr) Substructure d'installation de forage

Country Status (1)

Country Link
CA (1) CA491911A (fr)

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