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CA637335A - Automatic brake for well tools - Google Patents

Automatic brake for well tools

Info

Publication number
CA637335A
CA637335A CA637335A CA637335DA CA637335A CA 637335 A CA637335 A CA 637335A CA 637335 A CA637335 A CA 637335A CA 637335D A CA637335D A CA 637335DA CA 637335 A CA637335 A CA 637335A
Authority
CA
Canada
Prior art keywords
automatic brake
well tools
tools
well
brake
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
CA637335A
Inventor
Donald A. Selby
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA637335A publication Critical patent/CA637335A/en
Expired legal-status Critical Current

Links

CA637335A Automatic brake for well tools Expired CA637335A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA637335T

Publications (1)

Publication Number Publication Date
CA637335A true CA637335A (en) 1962-02-27

Family

ID=35915843

Family Applications (1)

Application Number Title Priority Date Filing Date
CA637335A Expired CA637335A (en) Automatic brake for well tools

Country Status (1)

Country Link
CA (1) CA637335A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3382929A (en) * 1965-11-22 1968-05-14 Rowe A. Plunk Oil well tools

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3382929A (en) * 1965-11-22 1968-05-14 Rowe A. Plunk Oil well tools

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