Well cement compositions having improved properties and methods
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United States of America Patent
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Feb 14, 1995
Grant Date -
N/A
app pub date -
Oct 9, 1992
filing date -
Oct 9, 1992
priority date (Note) -
Expired
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Abstract
Improved cement compositions and methods of using such compositions in carrying out construction and remedial operations in oil and gas wells at high temperatures are provided. The compositions are basically comprised of hydraulic cement, sufficient water to form a pumpable slurry, and a dispersing and stabilizing additive comprised of an ethoxylated alkali metal salt of an alkyl polyether sulfonate.
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