Lightweight oil and gas well proppants and methods for...

Details Lightweight oil and gas well proppants and methods for... Lightweight oil and gas well proppants and methods for...

E - Fixed Constructions

21

B

31/10

E21B 43/267 (2006.01) C04B 33/04 (2006.01) C09K 8/80 (2006.01)

Patent

CA 1335035

A lightweight oil and gas well proppant made by simultaneously mixing and compacting a milled calcined kaolin clay powder to form green pellets and then drying, screening and sintering the pellets to form proppant pellets having a specific gravity of 3.0 or less and a conductivity of at least 4,200 millidarci-feet and preferably at least 5,100 md-ft as measured by the Stim-Lab method after 50 hours at 8,000 psi and 275°F in the prescence of deoxygenated aqueous 2% solution of KCl.

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