Uinta Basin Composition Study Comprehensive Final Report Prepared by Trang Tran, PhD Seth Lyman, PhD Bingham Research Center Utah State University 320 N Aggie Blvd Vernal, UT 84078 Mike Pearson Alliance Source Testing, LLC 5530 Marshall Street Arvada, CO 80002 Tom McGrath Innovative Environmental Solutions, Inc. PO Box 177 Cary, IL 60013-017 Lexie Wilson & Bart Cubrich Utah Department of Environmental Quality Division of Air Quality 195 North 1950 West Salt Lake City, UT 84116 Submitted on March 31, 2020 Assembled by Lexie Wilson [email protected] (801) 536-0022 Uinta Basin Composition Study |1 Table of Contents Cooperating Agents ...................................................................................................................................... 5 Definitions ..................................................................................................................................................... 5 Executive Summary ....................................................................................................................................... 8 Project Organization and Reports ................................................................................................................. 9 Report A: Hydrocarbon Sampling ............................................................................................................... 11 Summary ................................................................................................................................................. 16 Uinta Basin Composition Study – Hydrocarbon Sampling - Purpose .................................................. 16 Sampling and Analysis Description ..................................................................................................... 16 Quality Assurance and Reporting........................................................................................................ 17 Testing Methodology .............................................................................................................................. 20 GPA 2166: Obtaining Natural Gas Samples for Analysis by Gas Chromatography ............................. 20 GPA 2174: Obtaining Liquid Hydrocarbon Samples for Analysis by Gas Chromatography ................ 20 GPA 2286: Method for the Extended Analysis of Natural Gas and Similar Gaseous Mixtures by Temperature Programmed Gas Chromatography .............................................................................. 20 GPA 2103M/2186M: Tentative Method for the Analysis of Natural Gas Condensate Mixtures Containing Nitrogen and Carbon Dioxide by Gas Chromatography ................................................... 21 Flash Gas Composition by VMGThermo EOS/PSM ............................................................................. 21 Report B: Hydrocarbon Sampling Data Quality .......................................................................................... 22 Report C: Measurement of Carbonyls, Speciation Profile Analysis, and High Flow Emissions Sampling & Analysis ....................................................................................................................................................... 30 Contents .................................................................................................................................................. 31 List of Tables ........................................................................................................................................... 31 List of Figures .......................................................................................................................................... 33 Introduction ............................................................................................................................................ 35 Carbonyl Speciation in Flash Gas ............................................................................................................ 36 Methodology ....................................................................................................................................... 36 Results ................................................................................................................................................. 38 Development of Composition Speciation Profiles .................................................................................. 43 Methodology ....................................................................................................................................... 43 Uinta Basin Composition Study |2 Hydrocarbon Speciation in Raw Gas: Grouping Results ..................................................................... 46 Hydrocarbon Speciation in Flash Gas: Grouping Results .................................................................... 47 Incorporating Carbonyl Data into Flash Gas Speciation Profiles ........................................................ 52 Ozone Reactivities of Raw Gas and Flash Gas Profiles ........................................................................ 54 Compiling Composition Profiles with SPTOOL and Application of SPECIATE Profiles ............................ 56 SPTOOL Configurations ....................................................................................................................... 56 Application of SPECIATE Profiles ......................................................................................................... 57 Direct Measurements of Emissions from Oil Wells ................................................................................ 62 Methodology ....................................................................................................................................... 62 Results ................................................................................................................................................. 68 Data Availability .................................................................................................................................. 78 Acknowledgments ................................................................................................................................... 78 References .............................................................................................................................................. 79 Report D: Supplemental Speciation Profile Analysis .................................................................................. 82 Introduction ............................................................................................................................................ 82 Methods .................................................................................................................................................. 86 Results ..................................................................................................................................................... 89 Discussion................................................................................................................................................ 95 Report E: Speciation Profile Comparison .................................................................................................... 97 Speciation Profile Introduction ............................................................................................................... 97 Comparison ........................................................................................................................................... 100 Report F: Verification Sampling ................................................................................................................ 105 Summary ............................................................................................................................................... 107 Uinta Basin Composition Study - Verification Sampling - Purpose ................................................... 107 Results ............................................................................................................................................... 107 Testing Methodology ............................................................................................................................ 112 GPA 2174: Obtaining Liquid Hydrocarbon Samples for Analysis by Gas Chromatography .............. 112 GPA 2286: Method for the Extended Analysis of Natural Gas and Similar Gaseous Mixtures by Temperature Programmed Gas Chromatography ............................................................................ 112 GPA 2103M/2186M: Tentative Method for the Analysis of Natural Gas Condensate Mixtures Containing Nitrogen and Carbon Dioxide by Gas Chromatography ................................................. 112 Flash Gas Composition by VMGThermo EOS/PSM ........................................................................... 113 Uinta Basin Composition Study |3 Flash Gas to Oil Ratio – Modified Physical Flash ............................................................................... 113 Report G: Process Simulator Comparison and Analysis ............................................................................ 114 Comparison of EOS/PSM Tank Emissions Estimations ......................................................................... 117 Sensitivity Testing ................................................................................................................................