摘要 |
<p>The present invention provides cement compositions comprising an improved fluid loss control additive, and methods for cementing using such cement compositions. Exemplary embodiments of the cement compositions comprise a hydraulic cement, water, and a fluid loss control additive comprising an acrylamide copolymer derivative, a dispersant, and a hydratable polymer. Optionally, other additives suitable for inclusion in cement compositions may be added.</p> |
申请人 |
HALLIBURTON ENERGY SERVICES, INC.;MORGAN, RICKEY, L.;CAVENY, WILLIAM, J.;KOCH, RONNEY, R.;WAIN, CHRISTOPHER, PAUL |
发明人 |
MORGAN, RICKEY, L.;CAVENY, WILLIAM, J.;KOCH, RONNEY, R. |