Wells – Processes – With indicating – testing – measuring or locating
Reexamination Certificate
2007-02-20
2007-02-20
Suchfield, George (Department: 3676)
Wells
Processes
With indicating, testing, measuring or locating
C166S291000, C175S042000, C175S065000, C507S140000, C507S142000, C507S925000
Reexamination Certificate
active
11451520
ABSTRACT:
Improved well fluids that include hollow particles, and methods of using such improved well fluids in subterranean cementing operations are provided. Also provided are methods of cementing, methods of reducing annular pressure, and well fluid compositions. While the compositions and methods of the present invention are useful in a variety of subterranean applications, they may be particularly useful in deepwater offshore cementing operations.
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Foreign communication from a related counterpart applicaiton dated Mar. 31, 2005.
Heathman James F.
Vargo, Jr. Richard F.
Baker & Botts L.L.P.
Halliburton Energy Service,s Inc.
Roddy Craig W.
Suchfield George
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