Quidnet Energy, Inc.

Dmitry Kosynkin

Howard K Schmidt

Scott Wright

Materials for manipulating hydraulic fracture geometry. In one embodiment, the materials comprises a tip screen-out mixture, which comprises water; a hydrophilic polymer of anionic polyacrylamide, wherein the hydrophilic polymer is hydrolized at least in part; and one or more crosslinking agents selected from a group of compounds consisting of polyvalent metal cations.

Method and materials for manipulating hydraulic fracture geometry

Compositions are provided for preventing or alleviating loss of fluids from natural or artificial reservoirs formed in subterranean geological formations and methods for deployment of said compositions. The compositions can be delivered to the subterranean reservoirs in any number of steps and are comprised of rock surface adhesion promoter(s), particles that may consist of solids, gels and liquids, crosslinking agent(s) and a liquid medium. The method of the invention uses the composition of the invention in preventing or alleviating loss of fluid stored in a reservoir existing in a subterranean formation. In the method, the composition is preferably provided in a series of weighted or unweighted 'pills' for introduction into the reservoir. Such a series may include from one to any number of consecutive treatments. Multiple pills or treatments may be used if needed.

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Houston, TX, United States of America

Dmitry Kosynkin