Fluid loss additive for enhanced fracture clean-up

Details Fluid loss additive for enhanced fracture clean-up Fluid loss additive for enhanced fracture clean-up

2005-06-10

2008-03-04

Gay, Jennifer H. (Department: 3676)

Wells

Processes

With indicating, testing, measuring or locating

Reexamination Certificate

active

07337839

ABSTRACT:
A hydraulic fracturing method is disclosed that includes designing a fracture treatment including a fluid pumping schedule to fracture a subterranean formation according to a design model that accounts for cumulative filter cake thickness, including polymer concentrated at the fracture surfaces, to provide a propped fracture width effectively greater than the cumulative filter cake thickness, and injecting fluids through a wellbore into the formation essentially according to the fluid pumping schedule of the fracture treatment design. A fracturing method is also disclosed that includes placing a high breaker loading in the filter cake. A composition is disclosed which comprises a fluid viscosified with a polymer and a fluid loss additive comprising a delayed breaker.

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