Wells – Processes – Cementing – plugging or consolidating
Reexamination Certificate
2006-07-11
2006-07-11
Bates, Zakiya W. (Department: 3676)
Wells
Processes
Cementing, plugging or consolidating
C166S282000, C166S293000, C507S225000, C507S226000, C507S269000
Reexamination Certificate
active
07073585
ABSTRACT:
Cement compositions comprising an improved fluid loss control additive, and methods for cementing using such cement compositions, are provided herein. Exemplary embodiments of the cement compositions comprise a hydraulic cement, water, and a fluid loss control additive comprising an acrylamide copolymer derivative, a dispersant, and a hydratable polymer. Optionally, other additives suitable for inclusion in cement compositions may be added.
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Caveny William J.
Koch Ronney R.
Morgan Rickey L.
Bates Zakiya W.
Halliburton Energy Service,s Inc.
Roddy Craig W.
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