Method of treatment of drilled-in underground formation saturate

Details Method of treatment of drilled-in underground formation saturate Method of treatment of drilled-in underground formation saturate

1990-02-20

1991-07-02

Suchfield, George A.

Wells

Processes

With indicating, testing, measuring or locating

166304, E21B 4706, E21B 4322

Patent

active

050278975

ABSTRACT:
The method consists in that the formation pressure is measured, and a solvent is fed through a well into the formation. Then a hydrophilizing solution is fed through the same well into the same formation. The supply of the solvent and hydrophilizing solution is effected while keeping the bottom hole pressure approximately equal to the formation pressure.

REFERENCES:
patent: 3160206 (1984-12-01), Jorda
patent: 3915233 (1975-10-01), Slusser
patent: 4044833 (1977-08-01), Volz
patent: 4648453 (1987-03-01), Nagra et al.
patent: 4721158 (1988-11-01), Merritt, Jr. et al.
patent: 4733724 (1988-03-01), Cardenas et al.

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