Set retarded cement compositions and well cementing methods

Details Set retarded cement compositions and well cementing methods Set retarded cement compositions and well cementing methods

1984-11-06

1986-04-15

Suchfield, George A.

Wells

Processes

Cementing, plugging or consolidating

106 90, 106 93, 166283, 166295, 166300, 523130, E21B 33138

Patent

active

045821399

ABSTRACT:
Set retarded cement compositions for cementing across a zone or zones in a well having enhanced compressive strength development after placement across the zone or zones are provided. The cement compositions are comprised of hydraulic cement, sufficient water to form a pumpable slurry, one or more set retarders and a delayed retarder neutralizer comprised of one or more titanium chelates. Methods of cementing utilizing the compositions are also provided.

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