News | February 9, 2016

U.S. Silica Introduces InnoProp PLT Polyurethane Low-Temperature Resin-Coated Proppant

New Resin-Coated Sand Outperforms Competing Low-Temperature Proppants

Frederick, MD /PRNewswire/ - U.S. Silica Holdings, Inc. today announced the introduction of InnoProp® PLT, a newly formulated resin-coated proppant designed specifically for enhancing the recovery of oil and gas in low-temperature reservoirs.   Independent test results show this proprietary polyurethane-based formula delivers best-in-class bond strength, crush resistance and conductivity.  U.S. Silica's broad network of strategically located transload facilities served by Class I railroads allows InnoProp PLT to be delivered to locations within 100 miles of more than 80% of today's active drilling rigs.

"With the challenges of today's oil and gas pricing environment, completion engineers are seeking products that optimize production of hydrocarbons.  According to published test data, InnoProp PLT outperforms all other resin-coated products designed for low-temperature reservoirs, bonding without the use of an activator down to 70° F bottom-hole static temperature.  It significantly reduces proppant flowback and provides increased conductivity which enhances hydrocarbon recovery.  Furthermore, InnoProp PLT has the ability to re-bond, helping ensure continued performance under cyclic stress," said Don Weinheimer, vice president and general manager of U.S. Silica's oil and gas division.

"The key to producing a quality resin-coated proppant begins with its substrate.  Like all InnoProp proppants, InnoProp PLT utilizes our premium U.S. Silica White®sand, which ensures quality and consistency in every shipment.  Our formaldehyde-free, proprietary formula was developed in-house by our team of scientists and engineers.  This technical team is available to work with completion engineers on frac design to provide assistance on proppant selection," noted Weinheimer.

InnoProp PLT is available in multiple mesh sizes and is compatible with all current fluid systems.

For more information about InnoProp PLT, visit

About U.S. Silica

U.S. Silica Holdings, Inc., a member of the Russell 2000, is a leading producer of commercial silica used in the oil and gas industry, and in a wide range of industrial applications. Over its 116-year history, U.S. Silica has developed core competencies in mining, processing, logistics and materials science that enable it to produce and cost-effectively deliver over 260 products to customers across our end markets. The company is headquartered in Frederick, Maryland and operates on a platform of ethics, safety and sustainability. U.S. Silica is a founding member of Wisconsin Industrial Sand Association and has been recognized by the Wisconsin Department of Natural Resources (WDNR) as a partner in the WDNR Green Tier program for achieving superior environmental and economic performance.

SOURCE: U.S. Silica Holdings, Inc.

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