US 6,982,000 B2
Cement compositions including silane treated amorphous silica
Jiten Chatterji, Duncan, Okla. (US); Roger S. Cromwell, Walters, Okla. (US); and Craig W. Roddy, Duncan, Okla. (US)
Assigned to Halliburton Energy Services, Inc., Duncan, Okla. (US)
Filed on Mar. 25, 2005, as Appl. No. 11/89,952.
Application 11/089952 is a division of application No. 10/853878, filed on May 26, 2004.
Prior Publication US 2005/0263037 A1, Dec. 01, 2005
Int. Cl. C04B 24/40 (2006.01); E21B 33/14 (2006.01)
U.S. Cl. 106—806 20 Claims
 
1. A cement composition comprising:
a hydraulic cement;
silica hydrophobicized with a liquid mixture of diorganodihalosilane and monoorganotrihalosilane; and
water.