CA178290A - Appareil a monter les parois de puits - Google Patents

Appareil a monter les parois de puits

Info

Publication number
CA178290A
CA178290A CA000178290A CA178290DA CA178290A CA 178290 A CA178290 A CA 178290A CA 000178290 A CA000178290 A CA 000178290A CA 178290D A CA178290D A CA 178290DA CA 178290 A CA178290 A CA 178290A
Authority
CA
Canada
Prior art keywords
casing elevator
elevator
casing
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
CA000178290A
Other languages
English (en)
Inventor
Edgar Eugene Greve
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.)
Oil Well Supply Co
Original Assignee
Oil Well Supply Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Oil Well Supply Co filed Critical Oil Well Supply Co
Application granted granted Critical
Publication of CA178290A publication Critical patent/CA178290A/fr
Expired legal-status Critical Current

Links

CA000178290A 1916-12-30 1916-12-30 Appareil a monter les parois de puits Expired CA178290A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA178290T 1916-12-30

Publications (1)

Publication Number Publication Date
CA178290A true CA178290A (fr) 1917-07-24

Family

ID=45297943

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000178290A Expired CA178290A (fr) 1916-12-30 1916-12-30 Appareil a monter les parois de puits

Country Status (1)

Country Link
CA (1) CA178290A (fr)

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