摘要 |
<p>Cement compositions, that comprise water, a cement, a strength-retrogression additive, and an acid, wherein the acid comprises ethylenediamine tetra acetic acid, nitrilotriacetic acid, or a combination thereof, are provided. Methods of cementing in a subterranean formation, methods of retarding the set time of a cement composition, and set retarder compositions also are provided.</p> |
申请人 |
HALLIBURTON ENERGY SERVICES, INC.;WAIN, CHRISTOPHER, PAUL;CHATTERJI, JITEN;HEATHMAN, JAMES, F.;GRAY, DENNIS, W.;WAUGH, BRYAN, K. |
发明人 |
CHATTERJI, JITEN;HEATHMAN, JAMES, F.;GRAY, DENNIS, W.;WAUGH, BRYAN, K. |