Lisa Molofsky

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$Risk Based Data Management Solutions (RBDMS) Hydrofrac Module$

Lessons Learned: Lines of Evidence for Stray Gas Investigations Geology/ Hydrogeology Presence of gas-bearing strata, fault and fracture systems, aquifer dynamics History Regional Patterns Well Construction Prior oil and gas activity, stray gas incidents and evidence of naturallyoccurring gas seeps. Regional patterns of methane occurrence and composition. Construction and completion details for affected water wells and nearby gas wells. Geochemical Fingerprinting Analyses of composition and isotopic signatures of gas sources.
OBJECTIVE: Effective approach for evaluation of potential impacts of shale gas development on GW resources. Credit: Bennett V/Flickr
Page 1 and 2: Lines-of-Evidence Approach to the E
Page 3 and 4: Practical Guidelines for Evaluation
Page 5 and 6: Mechanism for Methane Accumulation
Page 7 and 8: Underlying Geology of Northeastern
Page 9 and 10: Historic Locations of Gas Shows: 20
Page 11 and 12: Water Well Construction and Aquifer
Page 13: Isotope Analyses: Water Well Gases

Lisa Molofsky

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