E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
31/26
E21B 43/26 (2006.01) C04B 24/40 (2006.01) C04B 28/02 (2006.01) C09K 8/46 (2006.01) C09K 8/68 (2006.01)
Patent
CA 1228981
TITLE ORGANIC TITANIUM COMPOSITIONS FOR USE IN OIL AND GAS WELLS ABSTRACT OF THE DISCLOSURE A dry, solid mixture of (a) the reaction product of (R10)4Ti with (i) H9N(R2OH)k at a titanate:amino alcohol mol ratio of about 1:1, or (ii) R3[N(R4OH)mR?]2 at a titanate:amino alcohol mol ratio in the range between about 1:1 and about 2:1, and (b) a monosaccharide, disaccharide, or polyhydric alcohol which can be obtained by reduction of a monosaccharide, in an amount sufficient to enhance the uniform crosslinking capacity of said reaction product, wherein R1 is C1-6 alkyl; each of R2, R3 and R4 is C1-6 alkylene; R5 is H or C1-6 alkyl; k is 1-3 and g plus k equals 3; and m is 1 or 2 and m plus n equals 2. Mixtures are useful in thixotropic cements and in fluid fracture formulations for oil wells.
465394
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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