Methane in Pennsylvania water wells unrelated to Marcellus shale fracturing

TRRP Training: 2022 Program

presented by: GSI Environmetal Inc.

Texas Risk Reduction Program regulations (TRRP; 30 TAC 350) establish consistent risk-based protocols for assessment and response to soil, groundwater, or surface water impacts associated with environmental releases of regulated wastes or substances.

Presented by GSI Environmental Inc., this popular and informative training series is a must for professionals who need a working understanding of TRRP and those needing to stay up-to-date with the latest TCEQ TRRP guidance and policies.

TRRP Training Course (2 Days): Provides an overview of the TRRP framework and step-by-step training on property assessment and response action procedures established under the TRRP rule

Attendees will become acquainted with rules, key guidance and policies covering affected property assessments, protective concentration levels, and response actions. The course material presents strategies for efficient project management in compliance with TRRP and explains the various report forms adopted by TCEQ.

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Dates and Location

Dates

June 14th and 15th, 2022

Location

Crowne Plaza River Oaks 2712 SW Freeway Houston, Texas 77098 713.523.8448 http://www.crowneplaza.com/

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Authors: Lisa J. Molofsky, Shahla K. Farhat, John A. Connor, Albert S. Wylie, Tom Wagner

Published: December 2011 in Oil & Gas Journal pages 54-67.

Abstract
Test results from over 1700 water wells sampled prior to drilling or hydraulic fracturing operations show that methane is ubiquitous in water wells throughout this region, with no statistically significant difference between gas production areas vs. non-gas production areas. Higher concentrations are observed in valleys (i.e., topographic lows), indicating that the methane is related to natural geologic features, rather than shale gas development. In addition, isotope analyses show the dissolved methane in these water wells to be primarily consistent either with thermogenic gas from the Upper and Middle Devonian formations overlying the Marcellus shale or with biogenic gas from the shallow alluvium – but not indicative of impacts by Marcellus shale gas. Historical records confirm that many shallow wells and springs have encountered natural gas from these same horizons long before the advent of shale gas development.