Controlled retracting gasifying agent injection point process fo

Details Controlled retracting gasifying agent injection point process fo Controlled retracting gasifying agent injection point process fo

1986-02-27

1987-11-10

Suchfield, George A.

Wells

Processes

With indicating, testing, measuring or locating

166 50, 166 53, 166256, 166261, 166295, E21B 43243, E21B 4706

Patent

active

047051094

ABSTRACT:
The process consists of a retraction of the gasifying agent injection point achieved by gradually plugging the tubing ends either by pneumatic injection of inert granulated material with a thermosetting binder, or by closing valves set at regular intervals inside the tubings.

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