Compositions: coating or plastic – Coating or plastic compositions – Inorganic settable ingredient containing
Reexamination Certificate
2006-06-27
2006-06-27
Marcantoni, Paul (Department: 1755)
Compositions: coating or plastic
Coating or plastic compositions
Inorganic settable ingredient containing
C106S724000, C106S729000, C106S730000, C106S823000, C166S293000, C166S294000, C166S295000, C405S267000, C524S002000, C524S004000
Reexamination Certificate
active
07067000
ABSTRACT:
A method of cementing, comprising displacing a cement composition into a workspace, wherein the cement composition comprises cement, water, and a fluid loss control additive comprising a polymer and a sugar connected by a pH-sensitive crosslink, and allowing the cement composition to set. A method for reducing fluid loss from a cement composition, comprising providing a cement and a fluid loss control additive, wherein the fluid loss control additive comprises a polymer and a sugar connected by a pH-sensitive crosslink, and mixing the cement, fluid loss control additive, and water to form the cement composition.
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Lewis Samuel J.
Segura Michael J. R.
Szymanski Michael J.
Conley & Rose, P.C.
Halliburton Energy Service,s Inc.
Marcantoni Paul
Roddy Craig W.
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