Method of using degradable fiber systems for stimulation

Details Method of using degradable fiber systems for stimulation Method of using degradable fiber systems for stimulation

2007-10-02

2007-10-02

Suchfield, George (Department: 3676)

Wells

Processes

Specific propping feature

C166S278000, C166S308200, C166S308300, C166S308500, C166S308600, C507S202000, C507S204000, C507S213000, C507S216000, C507S217000, C507S244000, C507S248000, C507S260000, C507S271000, C507S273000, C507S277000

Reexamination Certificate

active

11156966

ABSTRACT:
A method for minimizing the amount of metal crosslinked viscosifier necessary for treating a wellbore with proppant or gravel is given. The method includes using fibers to aid in transporting, suspending and placing proppant or gravel in viscous carrier fluids otherwise having insufficient viscosity to prevent particulate settling. Fibers are given that have properties optimized for proppant transport but degrade after the treatment into degradation products that do not precipitate in the presence of ions in the water such as calcium and magnesium. Crosslinked polymer carrier fluids are identified that are not damaged by contaminants present in the fibers or by degradation products released by premature degradation of the fibers.

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SPE 91434—A Mechanical Methodology of Improved Proppant Transport in Low-Viscosity Fluids: Application of a Fiber-Assisted Transport Technique in East TexasBy J.N. Engels, E. Martinez, C.N. Fredd, C.L. Boney and B.A. Holms.
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