Earth boring – well treating – and oil field chemistry – Well treating – Contains inorganic component other than water or clay
Reexamination Certificate
2007-08-30
2011-11-22
Toscano, Alicia (Department: 1766)
Earth boring, well treating, and oil field chemistry
Well treating
Contains inorganic component other than water or clay
C501S004000, C501S005000
Reexamination Certificate
active
08063000
ABSTRACT:
Materials and methods for making low bulk density proppant capable of providing permeability at subterranean pressures. The low bulk density proppant is made from kaolin clay and at least one of calcined diatomaceous earth and burned kaolin clay.
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pate
Carbo Ceramics Inc.
Haynes and Boone LLP
Toscano Alicia
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