| CPC C09K 8/467 (2013.01) | 8 Claims |
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1. A method for cementing in a subterranean formation, comprising:
obtaining pulp waste residue from a sweetener manufacturing process; wherein the source of a sweetener for the sweetener manufacturing process is sugar cane, beet, citrus, maize, grain sorghum, pineapple, and any combination thereof;
processing the pulp waste residue by washing the pulp waste residue with a liquid or steam, then extracting the liquid effluent from the washed pulp waste residue, then drying the extracted liquid effluent to produce a dried extract, and then grinding and/or sieving the dried extract to produce the cement retarder; wherein the cement retarder comprises a sugar concentration of at least 40%, a Brix value of at least 60, a nitrogen-free extract concentration of at least 50%, a total solids concentration of at least 60%, a crude protein concentration less than 10%, a fat concentration less than 5%, a fiber concentration less than 5%, and an ash concentration less than 10%;
providing a cement composition comprising an aqueous fluid, a cement, and the cement retarder;
introducing the cement composition into a wellbore penetrating a subterranean formation;
pumping the cement composition to a location within the wellbore; and
allowing the cement composition to set in the location.
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