CA599782A - Self-erecting derrick - Google Patents

Self-erecting derrick

Info

Publication number
CA599782A
CA599782A CA599782A CA599782DA CA599782A CA 599782 A CA599782 A CA 599782A CA 599782 A CA599782 A CA 599782A CA 599782D A CA599782D A CA 599782DA CA 599782 A CA599782 A CA 599782A
Authority
CA
Canada
Prior art keywords
derrick
erecting
self
erecting derrick
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
CA599782A
Inventor
P. Selberg John
H. Griffith 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.)
INTERNATIONAL DERRICK AND EQUIPMENT Co
Original Assignee
INTERNATIONAL DERRICK AND EQUIPMENT Co
Publication date
Application granted granted Critical
Publication of CA599782A publication Critical patent/CA599782A/en
Expired legal-status Critical Current

Links

CA599782A Self-erecting derrick Expired CA599782A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA599782T

Publications (1)

Publication Number Publication Date
CA599782A true CA599782A (en) 1960-06-14

Family

ID=35815562

Family Applications (1)

Application Number Title Priority Date Filing Date
CA599782A Expired CA599782A (en) Self-erecting derrick

Country Status (1)

Country Link
CA (1) CA599782A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5216867A (en) * 1991-11-04 1993-06-08 Sundowner Offshore Services, Inc. Well mast structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5216867A (en) * 1991-11-04 1993-06-08 Sundowner Offshore Services, Inc. Well mast structure

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