Shale and salt stabilizing drilling fluid
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United States of America Patent
Stats
-
Jul 2, 1985
Grant Date -
N/A
app pub date -
May 16, 1983
filing date -
May 16, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a clay based aqueous drilling fluid containing dissolved inorganic salts for use in drilling through either or both shale and salt formations. The fluid is prepared by dissolving designated quantities of ammonium chloride and sodium chloride in the aqueous fluid prior to admixing of the clay and other additives.
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Cited Art Landscape
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