Wells – Processes – Separate steps of fracturing or attacking formation
Patent
1986-10-15
1987-11-24
Suchfield, George A.
Wells
Processes
Separate steps of fracturing or attacking formation
166312, E21B 3708, E21B 4304
Patent
active
047082062
ABSTRACT:
A process for removing particulate matter from a non-dissoluble sand control pack containing grangulated ceramic material which pack is used to produce hydrocarbonaceous fluid from a subterranean formation. Said pack is contacted with a mineral acid of a strengh and composition sufficient to react with said particulate matter thereby removing said matter and increasing the permeability of said pack without damaging said pack.
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Gilman Michael G.
Malone Charles A.
McKillop Alexander J.
Mobil Oil Corporation
Suchfield George A.
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