Agenda

Technical Workshops for the Hydraulic Fracturing Study

Chemical & Analytical Methods  February 24-25, 2011

February 24, 2011

7:30 am Registration

8:00 am Welcome

Fred Hauchman, Director, Office of Science Policy, EPA Office of Research & Development

Wilma Subra, Subra Company, Workshop Lead

Pat Field, Facilitator, Consensus Building Institute

Theme 1: Fracture Fluid Chemistry

8:15 am Technical Presentation Session 1: Fracture Fluid Formulations and Purposes

HF Fluid Considerations in Marcellus Shale Completions, Dennis Degner, Range Resources

High Rate HF in Non-Marcellus Unconventional Shale, Rick McCurdy, Chesapeake Energy

Cross-link and Linear Gel Composition, Richard Hodge, ConocoPhillips

Old vs. New Trends in HF Chemicals, Denise Tuck, Halliburton

Unconventional Fracturing Fluids: What, Where, Why?, Satya Gupta, BJ Services – Baker Hughes

9:45 am Break

9:55 am Technical Presentation Session 2: Fracture Fluid Interaction with Host Materials

Inorganic Chemistry of Produced Water in the Appalachian Basin, Elizabeth Rowan, USGS

Produced Formation Water Sample Results from Shale Plays, Nancy Coleman, Chesapeake Energy

Trace Metal Geochemistry and Mobility in the Marcellus Formation, Tracy Bank, University at

Buffalo

Fracture Fluid Additives and Formation Degradations, George King, Apache Corporation

11:10 am Break
11:20 am Technical Presentation Session 3: Fracturing Fluid Degradation Products

What Can You Expect or Not – Chemical Breakdown and Degradation, Denise Tuck, Halliburton

Evaluation of Radionuclides as Degradation Products of Host Materials in Response to Altered Fluid 

Chemistry Environment, Zoltan Szabo, USGS

12:30 pm Lunch

Theme 2: Fingerprinting

1:30 pm Technical Presentation Session 4: Determining Ambient Groundwater Conditions 

Chemical and Isotopic Tracers of Natural Gas and Formation Waters in Fractured Shales, Jennifer 

McIntosh, University of Arizona

Distinguishing the Source of Natural Gas Accumulations with a Combined Gas and Co-Produced 

Formation Water Geochemical Approach: A Case Study from the Appalachian Basin, Stephen 

Osborn, Duke University

The Origin of Some Natural Gases in Permian through Devonian Age Systems in the Northern 

Appalachian Basin and the Relationship to Incidents of Stray Gas Migration, Fred Baldassare, 

Echelon Applied Geoscience Consulting

2:45 pm Break

2:55 pm Technical Presentations 5: Introduced Tracers

Tracing Fracturing Fluid Movement with Chemical and Gamma-Emitting Tracers with Verification 

by Microseismic Recording, George King, Apache Corporation

Designing a Water Quality Program for Shale Exploration, Uni Blake, Gastem USA

3:55 pm Break

4:05 pm Technical Presentations 6: Tracing Fracturing Fluids in the Environment

Elucidating Water Contamination by Fracturing Fluids and Formation Waters from Gas Wells: 

Integrating Isotopic and Geochemical Fingerprints, Avner Vengosh, Duke University

Isotopic Tracing of Groundwater Contamination: Techniques, Applications, and Practical 

Considerations, Michael Lawson, ExxonMobil

Inorganic Geochemistry of Pennsylvania Marcellus Flowback Waters, Carl Kirby, Bucknell University

5:20 Revisit the Major Discussion Points of the Technical Presentation Sessions

Wilma Subra, Subra Company, Workshop Lead

Cal Cooper, Apache Corporation, and Tracy Bank, University of Buffalo, Theme Leads -- Fracture 

Fluid Chemistry

Jennifer McIntosh, University of Arizona, Theme Lead -- Fingerprinting
6:00 pm Adjourn for the Day

February 25, 2011

Theme 3: Field and Analytical Challenges

8:00 am Technical Presentation Session 7: 

Sampling Issues – Representativeness, Handling, Preservation

Representativeness of Flowback Fluid Samples: Impacts of Post-Withdrawal Evolution and 

Temporal Variability of Composition, Mark Engle, USGS

Practical Quantitation and Method Reporting Limits

Quality Assurance, Quality Control and Method Performance Considerations for Chemical Testing: 

Samples Impacted by Hydraulic Fracturing Fluids, David Thal, Environmental Standards, Inc.

Determination of Total Organic Carbons (TOC) in Difficult Sample Matrices Utilizaing the 

Supercritical Water-Oxidation TOC Prodedure, Keith McLeroy, Texas A&M University

Practical Quantitation Limits, Method Detection Limits, Interferences and Dilution Challenges in 

Fracturing Fluid Analyses, Kesavalu M. Bagawandoss, Accutest Labs

9:30 am Break

9:40 am Technical Presentation Session 8: Interference and Dilution Challenges Including Radionuclides

Radiochemical Analytical Challenges with Hydraulic Fracturing Fluids, Terry Romanko, TestAmerica 

Labs

Analytical Challenges of Radionuclides in Brines, Zoltan Szabo, USGS

10:55 am Revisit the Major Discussion Points of the Technical Presentation Session

Wilma Subra, Subra Company, Workshop Lead

Kesavalu M. Bagawandoss, Accutest Labs, Theme Lead – Field and Analytical Challenges

12:00 pm Closing Discussions

Jeanne Briskin, Hydraulic Fracturing Research Task Force Leader, Office of Science Policy, EPA 

Office of Research & Development

Wilma Subra, Subra Company, Workshop Lead
Abstracts for 

Theme 1: Fracture Fluid Chemistry

Technical Workshops for the Hydraulic Fracturing Study

Chemical & Analytical Methods  February 24-25, 2011
Abstracts for 

Theme 2: Fingerprinting

Technical Workshops for the Hydraulic Fracturing Study

Chemical & Analytical Methods  February 24-25, 2011
Abstracts for 

Theme 3: Field and Analytical Challenges

Technical Workshops for the Hydraulic Fracturing Study

Chemical & Analytical Methods  February 24-25, 2011