Composition and method for making a proppant
AssigneeOxane Materials, Inc.
InventorsRussell J. Smith, John R. Loscutova, Christopher E. Coker, Andrew R. Barron, Robert D. Skala, Elizabeth A. Whitsitt, Mark Wiesner, Stephen A. Costantino, Rajendra Bordia
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Abstract
The present invention relates to proppants which can be used to prop open subterranean formation fractions. Proppant formulations are further disclosed which use one or more proppants of the present invention. Methods to prop open subterranean formation fractions are further disclosed. In addition, other uses for the proppants of the present invention are further disclosed, as well as methods of making the proppants.
Claims39
A proppant comprising a sintered sphere and having a Krumbein sphericity of at least about 0.5 and a roundness of at least about 0.4, and wherein said proppant comprises a) a ceramic material and b) a volcanic material or vermiculite or both, and said proppant has a crush strength of about 1,500 psi or greater, an overall diameter of from about 90 microns to about 1,600 microns, and has a specific gravity of from about 0.9 to about 1.5 g/cc.
Dependencies are inferred from the claim text.