Water control in a subsurface formation

Details Water control in a subsurface formation Water control in a subsurface formation

2007-05-29

2007-05-29

Harlan, Robert D. (Department: 1713)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S290000, C526S187000, C526S173000, C526S174000

Reexamination Certificate

active

10789207

ABSTRACT:
A composition and a method of using the composition to adjust the permeability of a subsurface formation is disclosed. The composition is a water insoluble gel made by cross linking a water soluble polymer. The water soluble polymer is made by polymerizing a precursor composition, wherein the precursor composition is a mixture of an acrylic acid compound and a reactant comprised of a divalent metal salt of the acrylic acid compound.

REFERENCES:
patent: 6297336 (2001-10-01), Shioji et al.
patent: 6399668 (2002-06-01), Miyake et al.
patent: 03-014809 (1991-01-01), None
patent: 03014809 (1991-01-01), None

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