# Agenda

Technical Workshop s 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 Sessi on 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, Conoco Phillips

Ol d 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 Break11:20 am Technical Presentation Session 3: Fracturing Fluid Degradation Products

W hat 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

T he 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

Trac ing 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: Trac ing Fracturing Fluid s in the Environment

Elucidating Water Contamination by Fracturing Fluids and For mation Waters from Gas Wells: Integrating Isotopic and Geochemical Fingerprints , Avner Vengosh, Duke University

Isotopic Trac ing 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

-- Fingerprinting6:00 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 Cons iderations for Chemical Testing: Samples Impacted by Hydra ulic 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
Frac turing 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, Off ice 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 Ch allenges

Technical Workshops for the Hydraulic Fracturing Study Chemical & Analytical Methods

 February 24

- 25, 2011