Wells – Processes – Cementing – plugging or consolidating
Reexamination Certificate
2006-06-13
2006-06-13
Bates, Zakiya W. (Department: 3676)
Wells
Processes
Cementing, plugging or consolidating
C166S300000
Reexamination Certificate
active
07059409
ABSTRACT:
A method and cementing composition is provided for sealing a subterranean zone penetrated by a well bore, wherein the cementing composition comprises a mixture of cementitious material, a polymeric cement cohesion additive, and sufficient water to form a slurry. The polymeric cement cohesion additive is a high molecular weight hydroxyethylcellulose. The method comprises placing the cement composition in the subterranean zone and allowing the cement composition to set into a solid mass therein.
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Fyten Glen C.
Getzlaf Donald A.
Bates Zakiya W.
Halliburton Energy Service,s Inc.
Haynes & Boone L.L.P.
Roddy Craig W.
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