Title: Impervious oil well cement
Application Number: 03148078 Application Date: 2003.06.30
Publication Number: 1566011 Publication Date: 2005.01.19
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C04B7/02,C04B22/14,E21B33/13
Applicant(s) Name: Sun Lichao Address: 130041
Inventor(s) Name: Sun Lichao, Sun Zhengzhe
Attorney & Agent:
Abstract:
     The invention relates to an impervious oil well cement which comprises hydraulic silicate cement clinker aggregate containing high content of calcium silicate and low content of tricalcium aluminate, modified mineral material, silicon product and gypsum. And the preparation method comprises a grinding procedure.
Time: 10
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