Wells – Processes – Cementing – plugging or consolidating
Reexamination Certificate
2003-05-09
2008-10-28
Marcantoni, Paul (Department: 1793)
Wells
Processes
Cementing, plugging or consolidating
C166S293000, C106S644000, C106S672000, C106S680000, C106S682000, C106S690000, C106S692000, C106S705000, C106S713000
Reexamination Certificate
active
07441600
ABSTRACT:
The present invention provides foamed cement compositions with improved mechanical properties and methods of cementing in subterranean formations, particularly in conjunction with subterranean well operations. The foamed cement compositions comprise carbon fibers, a hydraulic cement material, sufficient water to form a slurry, an expanding additive, and optionally other ingredients including a weighting agent, a retarding or accelerating agent, or the like.
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Brothers Lance E.
Palmer Anthony V.
Ravi Krishna M.
Baker & Botts, LLP.
Halliburton Energy Service,s Inc.
Marcantoni Paul
Roddy Craig W.
LandOfFree
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