CA914659A - Pressure fluid actuated drill steel centralizer - Google Patents

Pressure fluid actuated drill steel centralizer

Info

Publication number
CA914659A
CA914659A CA914659A CA914659DA CA914659A CA 914659 A CA914659 A CA 914659A CA 914659 A CA914659 A CA 914659A CA 914659D A CA914659D A CA 914659DA CA 914659 A CA914659 A CA 914659A
Authority
CA
Canada
Prior art keywords
pressure fluid
drill steel
fluid actuated
steel centralizer
actuated drill
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
CA914659A
Inventor
O. Hedstrom Hans
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.)
Atlas Copco AB
Original Assignee
Atlas Copco AB
Publication date
Application granted granted Critical
Publication of CA914659A publication Critical patent/CA914659A/en
Expired legal-status Critical Current

Links

CA914659A Pressure fluid actuated drill steel centralizer Expired CA914659A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA914659T

Publications (1)

Publication Number Publication Date
CA914659A true CA914659A (en) 1972-11-14

Family

ID=36422170

Family Applications (1)

Application Number Title Priority Date Filing Date
CA914659A Expired CA914659A (en) Pressure fluid actuated drill steel centralizer

Country Status (1)

Country Link
CA (1) CA914659A (en)

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