Pyrolytic carbon coating of media improves gravel packing...

Details Pyrolytic carbon coating of media improves gravel packing... Pyrolytic carbon coating of media improves gravel packing...

E - Fixed Constructions

21

B

31/11

E21B 43/04 (2006.01) C04B 41/45 (2006.01) C09K 8/80 (2006.01) C09K 8/92 (2006.01) E21B 43/267 (2006.01)

Patent

CA 1277129

ABSTRACT OF THE DISCLOSURE A pyrolytic carbon coated particle for use in well fracturing and sand control applications comprising: a thermally stable substantially spherical substrate particle (e.g., ceramic composite bead or the like) and a substantially uniform layer of pyrolytically deposited carbon encapsulating said thermally stable substantially spherical substrate particle. Such carbon coated particles exhibit physical properties superior to materials commonly used in gravel pack and well fracturing operations as well as improved chemical resistance to acids, organics and steam.

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