Compositions: coating or plastic – Coating or plastic compositions – Carbohydrate or derivative containing
Patent
1988-08-16
1990-01-09
Bell, Mark L.
Compositions: coating or plastic
Coating or plastic compositions
Carbohydrate or derivative containing
106314, 106 93, 526200, 526201, 526202, 536 90, 536 91, C04B 2410
Patent
active
048925896
ABSTRACT:
A novel cementing composition comprising a hydraulic cement and, as a fluid loss agent, water-soluble, nonionic hydrophobically modified hydroxyethyl cellulose, are disclosed. Preferably, the cementing composition further comprises water-soluble, nonionic hydroxyethyl cellulose as a second fluid loss agent. A novel aqueous slurry containing the cementing composition, a novel process of using the aqueous slurry to fill an annulus between a borehole wall and casing, and a novel composition of matter comprising specified amounts of water-soluble, nonionic hydrophobically modified hydroxyethyl cellulose and water-soluble, nonionic hydroxyethyl cellulose, are also disclosed.
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Kirkland William J.
Lukach Carl A.
McLachlan William C.
Aqualon Company
Bell Mark L.
Group Karl
Kuller Mark D.
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