Subterranean treatment fluids comprising polyoxazoline...

Boring or penetrating the earth – Processes – Boring with specific fluid

Reexamination Certificate

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Details

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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Foreign communication from a related counterpart application dated Sep. 30, 2005.

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