Proppant for hydraulic fracturing of oil and gas wells

Details Proppant for hydraulic fracturing of oil and gas wells Proppant for hydraulic fracturing of oil and gas wells

2011-06-07

2011-06-07

Suchfield, George (Department: 3676)

Wells

Processes

Specific propping feature

C166S308300, C428S215000, C428S402000, C507S269000, C507S906000, C507S924000

Reexamination Certificate

active

07954548

ABSTRACT:
The present invention relates to a proppant for the hydraulic fracturing of oil or gas wells, which consists of a mixture of from 10 to 95% by weight of a spherical proppant and from 5 to 90% by weight of an angular material, the percentages being based on the total weight of the mixture. The proppant obtained according to the present invention is useful for eliminating or decreasing the “flow-back” phenomenon in operations in oil or gas wells.

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