Automatic well treatment method

Wells – Processes – Entraining or incorporating treating material in flowing...

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Details

166902, 166 64, E21B 4312

Patent

active

048177229

ABSTRACT:
A method and apparatus for treating oil and gas wells by automatically pre-flushing the well casing annulus with production fluid, pumping treatment chemicals into a rapidly flowing production fluid line for uniform mixing and introduction into the casing annulus, and post-flushing with production fluid.

REFERENCES:
patent: Re32304 (1986-12-01), Maxwell
patent: 4132268 (1979-01-01), Harrison
patent: 4375833 (1983-03-01), Meadows
patent: 4436148 (1984-03-01), Maxwell
patent: 4681167 (1987-07-01), Soderberg

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