High density well drilling, completion and workover brines, fluid loss reducing additives therefor and methods of use
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United States of America Patent
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Nov 19, 1985
Grant Date -
N/A
app pub date -
May 21, 1984
filing date -
May 21, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
High density well drilling, completion and workover brines having low fluid loss to subterranean formations when in contact therewith are provided comprised of water, one or more inorganic salts, and an additive for reducing fluid loss. The additive is comprised of water soluble binary or ternary copolymers formed from vinyl monomers. Methods of use are also provided.
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Cited Art Landscape
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