Slant hole foam cleanout

Details Slant hole foam cleanout Slant hole foam cleanout

1978-03-29

1980-02-12

Purser, Ernest R.

Wells

Processes

Cleaning or unloading well

175 69, 166241, E21B 2100

Patent

active

041879112

ABSTRACT:
A method for removing material from directional wells using centralized tubing to circulate foam in the well at a velocity in excess of 30 feet per minute.

REFERENCES:
patent: 3042125 (1962-07-01), Duncan
patent: 3463231 (1969-08-01), Hutchison et al.
patent: 3526280 (1970-09-01), Aulick
patent: 3583489 (1971-06-01), Hutchison et al.
patent: 3662828 (1972-05-01), Hutchison

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