Wash tool for stimulating oil wells

Wells – Brushing – scraping – cutting or punching-type cleaners – Perforation cleaners

Patent

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Details

166173, 166174, E21B 3704

Patent

active

046713557

ABSTRACT:
A wash tool for stimulating oil wells having brushes and/or blades mounted to retractable tool blocks, whereby the brushes or blades can be introduced in the well out of contact with the well liner, and thereafter extended into contact with the liner.

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patent: 2574141 (1951-11-01), Brown
patent: 2857141 (1958-10-01), Carpenter
patent: 2960709 (1960-11-01), Peaker et al.
patent: 3648777 (1972-03-01), Arterbury et al.
patent: 4103741 (1978-08-01), Daigle

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