Wells – Processes – With indicating – testing – measuring or locating
Patent
1985-04-29
1988-01-19
Suchfield, George A.
Wells
Processes
With indicating, testing, measuring or locating
166272, 166303, E21B 4324, E21B 4700
Patent
active
047199725
ABSTRACT:
A method of inhibiting the dissolution of the gravel pack and/or the erosion of silicate-containing formations subjected to steam-enhanced oil recovery processes. The method includes the addition of CO.sub.2 into the residual liquid phase of the steam, prior to injection down the well bore, to reduce the pH to form about pH 5 to about pH 9.
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Chevron Research Company
Keeling Edward J.
LaPaglia S. R.
Suchfield George A.
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