Tagging of fracking sand
AssigneeIntelligent Material Solutions, Inc.
InventorsJoshua E. Collins, Howard Y. Bell
Life of this patent
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Abstract
Disclosed is a process for on- and off-site tagging of fracking sand and a composition of matter capable of being utilized in that process. The composition of matter includes a linker polymer conjugated to a rare earth particle. The method involves forming two mixtures, a first involving mixing a linker polymer conjugated to a rare earth particle into an aqueous blend of fracking sand, and a second involving an activated amine terminated polymer in an aqueous solution. The second mixture is then added to the first mixture, and covalent amide bonds are formed.
Claims15
A composition of matter comprising a linker polymer conjugated to a rare earth particle.
A method for tagging a proppant, comprising the steps of:
- forming a first mixture by mixing a plurality of amine-reactive coated particles in an aqueous blend with the proppant, each amine-reactive coated particle comprising a linker polymer conjugated to a rare earth particle;
- forming a second mixture by dissolving at least one activated amine terminated polymer in an aqueous solution at a concentration based upon the amount of amine-reactive coated particles in the first mixture;
- combining the first mixture and the second mixture;
- and
- forming a covalent amide bond by allowing the at least one activated amine terminated polymer to react to the amine-reactive coated rare earth particle.
Dependencies are inferred from the claim text.