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Multi-functional additive for use in well cementing
Cement, sodium silicate, carrageenan suspending agent, sodium polyacrylate, AMPS terpolymer, dispersant (sulfonated naphthalene formaldehyde condensate or a sulfonated ketone acetone formaldehyde condensate) and a cellulosic polymer (HEC or CMHEC).
Publisher: BJ Services Company (Houston, TX), 2001, US6235809
Cat: Patents: Thickener, Rheological Additives


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