C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
48/47, 261/47
C09K 8/46 (2006.01) C04B 22/04 (2006.01)
Patent
CA 1160253
ABSTRACT OF THE DISCLOSURE An expansive additive for cement compositions is provided of the type used in cementing oil and gas well bores. Aluminum particles are coated with a gasoline and water insoluble wood resin to provide added control over the nature and extent of gas generation in the slurry.
380552
Bj-Hughes Inc.
Gowling Lafleur Henderson Llp
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