Challenges in Produced Water Treatment and Measurement Emerging Trends Te David B. Burnett, Frank Platt, Carl Vavra Department of Petroleum Engineering GPRI Texas A&M University September 2013 GPRI EFD U.S. Lower 48 Technology Developments 2500 Producable Reserves, tcf 2000 Growth of Natural Gas Resources, International China 1500 1000 India South America 500 EU 0 2000 Years 2010 2020 2030 2040 2050 Technology Developments Challenge Community Acceptance Texas A&M University GPRI Team’s Successes contd. 2010 EFD A&M Marcellus Shale Pre-Treatment Field Demos 2010 EFD EU Program Started 2011 Frac Flowback Brine Analytical Technology Roundtable 2012 EFD Technology Integration Program Funded 2013 EFD Advanced Analytical Project Initiated Texas A&M Involvement with Key Environmental Programs Sustainability Research Network A&M IRNR Field Access - Trials GSI Environmental Advanced Analytics Environmentally Friendly Drilling Program Challenges Facing Produced Water Management Varying Water Compositions Lack of Infrastructure Public/policy Demands (environmental & perception Issues) Water Transport/storage Variation in Use of Product Water Disposal 24 Challenge Getting Good Ideas Adopted EFD 2006 - 2013 EFD-TIP 2013 - 2016 EFD Field Trials New York Chenango Co. 2012 Texas A&M Marcellus Shale Brine Re-Use Courtesy Williams Bros. Company Deliverables Status • Identify optimal treatment techniques for ultra- • Current field trials in New York • A&M Separation Sciences pilot testing new high brine concentrations technology • Provide information to community leaders • Creation of new Analytical Services Roundtable New York Field Trial of Ultra-High Salinity Brine Pre-treatment: Texas A&M Environmentally Friendly Drilling Technology for the Marcellus Shale –SPE 158396 A&M Lab in the Eagle Ford Why Do We Field Trial Brine Treatment before Treated and Untreated Frac Pond Brine Re-Use? Field Frac Brine after Three Weeks Treated Eagle Ford Field Frac Brine Un-Treated Process Train Schematic Raw Water Source /Wire Screen + 25 U Cartridge pH, Temp., Conductivity, turbidity, toc Oil & Grease removal BETX Removal Media Filtration * Micro Filter Nano Filter Toc, Turbidity, BETX, Conductivity TSS removal pH, toc Conductivity Hardness Removal Reverse Osmosis pH, conductivity, toc Desalination Table 1 Target Values of Treatment Characteristic/Item Reduction or Target Value Hydrocarbon Reduction reduction Turbidity or less Total iron reduction Hardness Ca++ reduction Barium reduction Sulfate B/A reduction 80% 1 NTU 22% 50% 44% 77% SPE 158396 PP New York Field Trial of Ultra-High Salinity Brine Pretreatment: Texas A&M Environmentally Friendly Drilling Technology for the Marcellus Shale Analytical Laboratory at A&M Low Pressure Media Filtration High Pressure Membranes and On-Line Sensors Power Costs of Produced Water Treatment Samples Date Test Description Duration kw used Cost per bbl S-62, S-63 S-58, S-59 S-84, S-85 2-Sep Running Dow NF (B) 2-Sep Koch U-F 2-Sep media Koch UF 3.35 0.2 325 gal. 63.63 0.3 2.1 Utica Formation (Herkimer Sand) 180,000 tds NY Trial, 2011 $0.84 $0.03 $0.00 $0.14 $0.98 Emerging Trend Air Emissions from Produced Water Open Impoundments Frac flowback Water Sampling Stray Methane Gas Sampling http://epicphotogear.com/tip/panos Emerging Trend On Site Analytical Measurement. http://www.advancedsensors.co.uk/products/side-stream-slip-stream/sa100 Advanced Sensors Inc. http://www.advancedsensors.co.uk/?gclid=CInEu6D10rkCFcZj7AodpVkABw Analytes: Non Purgeable Organics Emerging Trend Emerging Trend New York Field Trial Description Raw Water After Media After Micro After Nano TOC 90 73 28 22 Emerging Trend Ultra-Filter Results Before >5700E cfu per ml After 1E cfu per ml Emerging Trend The Environmentally Friendly Drilling Systems Program Demonstrating innovative technologies that reduce environmental footprints www.efdsystems.org www.efd-tip.org The EFD Team Co-funded by RPSEA, U.S. Fish & Wildlife, Industry, Environmental Organizations SPONSORS MANAGEMENT TEAM ENVIRONMENTAL ORGANIZATIONS COLLABORATORS ALLIANCE MEMBERS Thank you Links to More Information Videos and Panorama Shots http://epicphotogear.com/tip/panos/ Water Treatment Video Link http://www.youtube.com/watch?v=hdoiWXDU6ek http:/www.efdsystems.org https://sites.google.com/site/amefdtipprogram2013/page-3