Compositions and methods of stabilizing subterranean...

Details Compositions and methods of stabilizing subterranean... Compositions and methods of stabilizing subterranean...

2004-06-04

2010-06-22

Seidleck, James (Department: 1796)

Earth boring, well treating, and oil field chemistry

Well treating

Contains organic component

C507S212000, C507S213000, C507S219000, C507S239000, C507S241000, C507S244000, C507S246000, C507S247000, C507S248000, C507S252000, C507S253000, C507S254000, C507S255000, C507S256000, C507S259000, C507S260000, C507S261000, C507S267000, C166S305100, C166S306000

Reexamination Certificate

active

07741251

ABSTRACT:
The present invention relates to well bore stabilization and, more particularly, to treatment fluids that may reduce the tendency of shales to swell and associated methods. In some embodiments, the present invention provides a method of stabilizing a subterranean formation that comprises a shale, the method comprising contacting the subterranean formation that comprises the shale with a treatment fluid, the treatment fluid comprising a base fluid, and a hydrophobically modified polymer. In other embodiments, the treatment fluids comprise a base fluid and a hydrophilically modified polymer. In yet other embodiments, the present invention provides shale-inhibiting components, treatment fluids, and methods of reducing the tendency of shale to swell when exposed to a treatment fluid.

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