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Treatment Overview
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Water Treatment Technology Catalog and Decision Tool

The Shale Gas Produced Water Treatment Catalog and Decision Tool provides information on the water treatment technologies applicable to shale gas development and provides tools to assist operators in selecting the treatments that best fit their situation.  The information provided is specific to the Barnett, Fayetteville, Haynesville, Marcellus, and Woodford shale plays, but provides information that would be generally applicable to other shale gas plays as well.

The selection of water management approaches determines the water quality characteristics that must be met and the treatment technology that will meet those needs.  In addition to the cost and technical capabilities, there are a number of considerations that affect the selection of both the water management approach and treatment technology that an operator may choose.  This site provides an overview of the water management lifecycle for shale gas development in order to provide a context for describing these considerations, provides technical, regulatory, and cost information that can affect these decisions, and also provides regulatory information that may pertain to implementing the water management and treatment approaches selected.
Reuse of shale gas water produced in subsequent hydraulic fracturing operations is becoming an increasingly important option in some areas.  To address the specific needs of this management approach, ALL Consulting has developed the Mixing and Scale Affinity Model to allow a detailed analysis of the predicted chemical characteristics of the water that will result from blending produced water and fresh water.  The Model will also allow the development of an engineered water by specifying the desired limits for various constituents and then determining the optimum mix of up to two produced waters with a fresh water source.  This site will be updated based on technical and regulatory changes that occur through the end of the project (9/20/2011).  ALL Consulting and GWPC will continue to host and update the site for a minimum of one year and for as long thereafter as interest in the site warrants.

Website Tools

Treatment Overview – Provides an overview of shale gas development and how water and the treatment of produced water is important to produce shale natural gas.

Water Treatment Catalog – Provides a description of the water treatment technologies applicable to shale gas development, profiles of the known vendors that are active in the project basins, and links to vendor sites.

Treatment Technology Decision Tool – provides a system that guides users to the treatment technologies that best fit the users’ water quality, water management and regulatory situation.

Mixing and Scale Affinity Model – Provides a tool to predict the detailed chemical reactions that will take place when the users’ produced water sources are mixed with their fresh water and provides relevant scale indices.

Regulatory InformationProvides federal, state, or river basin commission agencies that regulate shale gas produced water management as well as links to both the regulations and to the agency web-sites.

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This report was prepared as an account of work sponsored by an agency of the United States Government.  Neither the United States Government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights.  Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof.  The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof.