Boring or penetrating the earth – Processes – Boring with specific fluid
Reexamination Certificate
2007-02-20
2007-02-20
Suchfield, George (Department: 3676)
Boring or penetrating the earth
Processes
Boring with specific fluid
C166S305100, C175S065000, C507S123000, C507S130000, C507S131000, C507S229000, C507S242000, C507S244000, C507S910000
Reexamination Certificate
active
10916281
ABSTRACT:
The present invention relates to subterranean treatment fluids. In particular, the present invention relates to subterranean treatment fluid compositions that comprise polyoxazoline compositions and methods for using such compositions in subterranean applications. In one embodiment, the present invention provides a method of controlling shale swelling in a subterranean formation comprising introducing a treatment fluid into the subterranean formation, wherein the treatment fluid comprises a base fluid and a polyoxazoline composition. In another embodiment, the present invention provides a method of treating a portion of a subterranean formation comprising the steps of: introducing a treatment fluid that comprises a base fluid and a polyoxazoline composition; and treating a portion of the subterranean formation. Other embodiments are provided.
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Baker & Botts L.L.P.
Halliburton Energy Service,s Inc.
Roddy Craig W.
Suchfield George
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