Cement composition
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1. AN IMPROVED CEMENT SLURRY FOR CEMENTING CASINGS IN THE BOREHOLE OF A WELL CONSISTING ESSENTIALLY OF PORTLAND CEMENT, A POZZOLANIC MATERIAL IN THE RELATIVE PROPORTION OF FROM 10 THROUGH 100% BY WEIGHT OF SAID CEMENT, A GELATINOUS CLAY IN THE RELATIVE PROPORTION OF FROM 10 THROUGH 40% BY WEIGHT OF SAID CEMENT AND WATER TO PROVIDE A PUMPABLE SLURRY.
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1. AN IMPROVED CEMENT SLURRY FOR CEMENTING CASINGS IN THE BOREHOLE OF A WELL CONSISTING ESSENTIALLY OF PORTLAND CEMENT, A POZZOLANIC MATERIAL IN THE RELATIVE PROPORTION OF FROM 10 THROUGH 100% BY WEIGHT OF SAID CEMENT, A GELATINOUS CLAY IN THE RELATIVE PROPORTION OF FROM 10 THROUGH 40% BY WEIGHT OF SAID CEMENT AND WATER TO PROVIDE A PUMPABLE SLURRY.
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