Compositions and methods for degrading filter cake

Details Compositions and methods for degrading filter cake Compositions and methods for degrading filter cake

2006-07-25

2006-07-25

Suchfield, George (Department: 3676)

Wells

Processes

Graveling or filter forming

C166S280200, C166S300000, C166S307000, C166S312000, C507S260000, C507S267000, C507S924000, C507S927000

Reexamination Certificate

active

07080688

ABSTRACT:
Improved methods and compositions for degrading filter cake deposited in a subterranean formation are provided. These methods and compositions utilize particulates coated with acid-releasing degradable material wherein the released acid is used to degrade a filter cake.

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