CA520486A - Outil de forage en forme de seringue - Google Patents

Outil de forage en forme de seringue

Info

Publication number
CA520486A
CA520486A CA520486A CA520486DA CA520486A CA 520486 A CA520486 A CA 520486A CA 520486 A CA520486 A CA 520486A CA 520486D A CA520486D A CA 520486DA CA 520486 A CA520486 A CA 520486A
Authority
CA
Canada
Prior art keywords
drilling tool
gun drilling
gun
tool
drilling
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
CA520486A
Other languages
English (en)
Inventor
R. Willingham John
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 CA520486A publication Critical patent/CA520486A/fr
Expired legal-status Critical Current

Links

CA520486A Outil de forage en forme de seringue Expired CA520486A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA520486T

Publications (1)

Publication Number Publication Date
CA520486A true CA520486A (fr) 1956-01-10

Family

ID=35673705

Family Applications (1)

Application Number Title Priority Date Filing Date
CA520486A Expired CA520486A (fr) Outil de forage en forme de seringue

Country Status (1)

Country Link
CA (1) CA520486A (fr)

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