Transcription of Underground Injection Wells for Produced Water Disposal
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Underground InjectionWells For Produced Water Disposal Rick McCurdySr. Engineering Advisor Chemicals and Water ReclamationChesapeake Energy Corporation6100 N. Western Avenue Oklahoma City, OK 76118 NYSE: CHK3 AgendaHistory Program OversightWell ClassificationsClass II WellsReclamation / Disposal CombinationsSummary4 History1930sOilfield brine Disposal (Texas)EOR Injection1940sOil refineries inject wastes1950sDeep well Injection of chemical wastesState regulations for brine disposal1960sEarthquake attributed to deep well Injection in Colorado1stdocumented cases of contamination in potential sources of drinking water5 History1970sWaste spilling from an abandoned oil well traced to paper mill Injection wellSDWA gives EPA authority to control Underground injection1980sUIC regulations 5 well classes Layout requirements for States to assume primacySDWA amended to allow for existing oil and gas programs to regulate Must be effective in protecting USDW Must include UIC program componentsHSWA to RCRA Hazardous waste Injection more stringent No migration petition 10,000 years or rendered non-hazar
Underground Injection Wells For Produced Water Disposal. Rick McCurdy. Sr. Engineering Advisor . Chemicals and Water Reclamation. Chesapeake Energy Corporation
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