Proppants with soluble composite coatings

Details Proppants with soluble composite coatings Proppants with soluble composite coatings

2006-10-02

2009-02-17

Bates, Zakiya W. (Department: 3676)

Wells

Processes

Specific propping feature

C166S278000, C166S283000, C166S308300, C428S403000

Reexamination Certificate

active

07490667

ABSTRACT:
A new proppant comprises a proppant particle substrate, a water-soluble external coating on the proppant particle substrate and a microparticulate reinforcing and spacing agent at least partially embedded in the water-soluble external coating in a manner such that the microparticulate reinforcing agent is substantially released from the proppant particle substrate when the water-soluble coating dissolves or degrades.

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One page printout from http://www.glossary.oilfield.slb.com/DisplayImage.cfm?ID=506 dated Sep. 8, 2006, Schlumberger, Gravel pack.

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