Water And Wastewater Management For Shale Gas Production
Shale gas production requires millions of gallons of water for hydraulic fracturing as well as treatment of the resulting effluent generated, often containing high TDS levels.
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Produced Water Treatment
PRODUCTS
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OPUS® Technology - Optimized Pretreatment and Unique Separation Technology OPUS technology combines a proprietary high rate chemical softening process, MULTIFLO, with filtration, ion exchange, and reverse osmosis operated at an elevated pH in single-pass or double-pass mode to generate high effluent water quality suitable for discharge, recycle or reuse.
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OPUS® II Technology - a New Innovation for High Recovery of Water for ReuseOPUS® II is a proprietary process for high recovery of complex wastewater streams. This new innovation uses CeraMem® ceramic membranes as pretreatment for reverse osmosis to reduce the system footprint. OPUS II can be delivered in modular, containerized units to minimize installation costs.
Like the original OPUS technology, OPUS II effectively removes silica, organics, hardness, boron, strontium and particulates. It generates high quality effluent at a high recovery rate, providing clean water for discharge, recycle or reuse.
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Power Clean® Nutshell Filters Power Clean® are the most effective, quickest regenerating nutshell filter media system available.
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RecoPur® Produced Water Treatment SystemsEco-Tec is a globally recognized provider of produced-water treatment systems for heavy-oil operations, featuring advanced micro-media filtration (Spectrum™) and ion-exchange softeners (RecoPur®) that dramatically reduce materials, waste, and operational costs for clients.
WHITE PAPERS AND CASE STUDIES
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Seneca Resources Recycles Oil-Field Produced Water With Eco-Tec’s RecoPur® Treatment System Case Study
The Bakersfield, California area is known for its heavy oil deposits, many of which require the injection of steam into the ground to allow the viscous oil to flow and be extracted through wells.
SUPPLIERS
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Aquatech International Corporation Established in 1981, Aquatech International Corporation is a global leader in water purification technology for industrial and infrastructure markets with a focus on desalination, water reuse, and zero liquid discharge.
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Veolia Water Solutions & TechnologiesVeolia Water Solutions & Technologies offers comprehensive water and wastewater solutions for industrial and municipal customers. With unique technologies and process expertise, Veolia specializes in engineering, design, and project management, construction and execution.
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Siemens Industry, Inc. - Water TechnologiesSiemens is the world leader in products, systems, and services for water and wastewater treatment for industrial, institutional, and municipal customers
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Eco-Tec Inc.Eco-Tec Inc. engineers, designs, manufacturers and distributes from Pickering, near Toronto, Canada. Customer service and technical support provide treatability studies, installation service, on-site supervision and operator training...
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Endress+Hauser, Inc.Endress+Hauser has more than 50 years of experience in the areas of Municipal Wastewater, Industrial Wastewater, and Portable Water.
ABOUT
“Produced water” is the oil and gas industry term for any water that comes out of the oil or gas reservoir as part of the production process. Oil reservoirs often contain large volumes of water, while gas reservoirs typically have smaller quantities. Sources of produced water include:
- Connate water present in the reservoir prior to production
- Condensed water from produced gas
- Injected water derived from injection wells
The physical and chemical properties of produced water are not consistent. Variation depends on factors such as reservoir geology, hydrocarbon composition, geographical location, and water injection history.
Produced water contains contaminants that require removal before proper disposal or reuse. Some of the impurities or substances likely to be found in produced water include: oil, naturally occurring radioactive materials (NORM), waxes, greases, sand, scales, dissolved salts, CO2 (carbon dioxide) and H2S (hydrogen sulfide) gases, hydrocarbons, production chemicals, and various metals.
The treatment of produced water will differ according to the intended disposal method or reuse purpose. Filtration, cyclonic separation, flotation, and evaporation are among the commonly used treatment techniques.
Post-treatment, there are a number of options available for disposal or reuse, each of which will have different water treatment criteria associated with it:
- Surface disposal into the sea or into evaporation ponds, subject to local environmental regulations
- Injection into a disposal well, either a watered out part of the reservoir or to a disposal formation
- Reinjection for pressure maintenance, replacing sea/aquifer/river water as the source of water injection
- Reuse for irrigation or as industrial process water
Due to increasing environmental awareness and regulations, disposal to surface waters and evaporation ponds is becoming less prevalent. Produced water is considered an industrial waste, subject to standards defined and issued by the U.S. Environmental Protection Agency.
NEWS
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Veolia Water Selected To Provide Produced Water Treatment Veolia Water has signed a design-build-operate contract with Plains Exploration & Production Company (PXP) for a Produced Water Reclamation Facility at its Arroyo Grande Oil field in San Luis Obispo County, Calif. The treatment system will incorporate Veolia Water’s OPUS® II technology to generate high-quality water.
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Siemens To Supply Filtration, Produced Water Treatment System For Su Tu Vang Central Processing Platform, Offshore Vietnam J. Ray McDermott Asia Pacific Pte Ltd has selected Siemens Water Technologies to provide filtration and produced water treatment systems to the new Su Tu Vang CPP to be operated by the Cuu Long Joint Operating Company, offshore Vietnam. The order amount is US$ 4.6M. The filtration system will include fine and coarse filters that will be included in a seawater injection system for the removal of particulates
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Veolia Water Solutions & Technologies To Provide SAGD Produced Water Treatment System For Southern Pacific Resource Corp. Veolia Water Solutions & Technologies has been awarded the supply of key portions of the produced water treatment system by Southern Pacific Resource Corp. (Southern Pacific) for their STP-McKay Thermal Project in Northern Alberta.
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Eco-Tec Opening Western Office
Design and manufacturing company Eco-Tec Inc. is pleased to announce a new sales office in Calgary, Alberta. As of July 1, 2012, Eco-Tec's 'Western Canadian Office' will begin providing greater services to the growing region, which is currently the hub of Canada's natural resources and oil sands sector.
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Eco-Tec Announces RecoPur SST (Super Softening Technology) - A Produced Water Treatment Breakthrough
Design and manufacturing company, Eco-Tec Inc., has developed RecoPur SST (Super Softening Technology), a patent-pending technology for the production of very low hardness (<0.1 ppm as CaCO3) product water while using only brine regeneration.