Aqueous drilling fluids containing alkenyl succinic anhydrides
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United States of America Patent
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Nov 19, 1985
Grant Date -
N/A
app pub date -
May 2, 1984
filing date -
May 2, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed are novel aqueous drilling fluid compositions containing a lubrication additive and a method of drilling wells wherein the underground formation is contacted with such drilling fluid compositions. The lubrication additive is a polyolefin in aqueous solution having a molecular weight between about 500 and about 2100 with one or more substituent groups of succinic anhydride.
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