Casing scraper for wire line or pipe actuation
United States Patent 2679293
US Patent References:
/1011384.html
- - 1011384

/1150419.html
- - 1150419

/1419068.html
- - 1419068

Conduit broach
- - 1733512

Oil-well delivery apparatus
- - 1751347


Inventors:
Garrison, Marion A.
Publication Date:
05/25/1954
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Assignee:
REGAN FORGE & ENG CO
Primary Class:
166/174
Other Classes:
409/299, 166/102, 15/104.160, 166/170
International Classes:
E21B37/02; E21B37/00
US Patent References:
2221137Safety cleaning tool
2298985Paraffin cleaner for oil wells
2315069Scraper
2499252Earth boring tool