CA2921046 (A1)

Oil well cementing products with synthetic gypsum and methods

(22) 16.02.2016

(43) 17.08.2016

(57) An oil well cementing product comprising DTPA-coated synthetic calcined gypsum, at least one accelerator, at least one retarder, at least one plasticizer and limestone is provided. Also provided are methods for cementing oil wells with mixtures comprising DTPA-coated synthetic calcined gypsum, at least one accelerator, at least one retarder, at least one plasticizer and limestone.

(73) United States Gypsum Company (US)

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