Characterization of dissolved organic matter in cave and spring waters using UV–Vis absorbance and fluorescence spectroscopy JE Birdwell, AS Engel Organic Geochemistry 41 (3), 270-280, 2010 | 515 | 2010 |
Updated methodology for nuclear magnetic resonance characterization of shales KE Washburn, JE Birdwell Journal of Magnetic Resonance 233, 17-28, 2013 | 188 | 2013 |
Characterization of dissolved organic matter in fogwater by excitation–emission matrix fluorescence spectroscopy JE Birdwell, KT Valsaraj Atmospheric Environment 44 (27), 3246-3253, 2010 | 134 | 2010 |
Multivariate analysis of ATR-FTIR spectra for assessment of oil shale organic geochemical properties KE Washburn, JE Birdwell Organic geochemistry 63, 1-7, 2013 | 83 | 2013 |
Multivariate analysis relating oil shale geochemical properties to NMR relaxometry JE Birdwell, KE Washburn Energy & Fuels 29 (4), 2234-2243, 2015 | 78 | 2015 |
Trends in thermal maturity indicators for the organic sulfur-rich Eagle Ford Shale KL French, JE Birdwell, MD Lewan Marine and Petroleum Geology 118, 104459, 2020 | 69 | 2020 |
Simultaneous Gaussian and exponential inversion for improved analysis of shales by NMR relaxometry KE Washburn, E Anderssen, SJ Vogt, JD Seymour, JE Birdwell, ... Journal of Magnetic Resonance 250, 7-16, 2015 | 69 | 2015 |
Comparing laser desorption ionization and atmospheric pressure photoionization coupled to Fourier transform ion cyclotron resonance mass spectrometry to characterize shale oils ¡¦ Y Cho, JM Jin, M Witt, JE Birdwell, JG Na, NS Roh, S Kim Energy & fuels 27 (4), 1830-1837, 2013 | 66 | 2013 |
Desorption kinetics of hydrophobic organic chemicals from sediment to water: A review of data and models J Birdwell, RL Cook, LJ Thibodeaux Environmental Toxicology and Chemistry 26 (3), 424-434, 2007 | 66 | 2007 |
Detailed description of oil shale organic and mineralogical heterogeneity via Fourier transform infrared microscopy KE Washburn, JE Birdwell, M Foster, F Gutierrez Energy & Fuels 29 (7), 4264-4271, 2015 | 64 | 2015 |
Variability in terrestrial and microbial contributions to dissolved organic matter fluorescence in the Edwards Aquifer, Central Texas JE Birdwell, AS Engel Journal of Cave and Karst Studies 71 (2), 144-156, 2009 | 63 | 2009 |
A review of spatially resolved techniques and applications of organic petrography in shale petroleum systems PC Hackley, AM Jubb, RJ McAleer, BJ Valentine, JE Birdwell International Journal of Coal Geology 241, 103745, 2021 | 54 | 2021 |
High microscale variability in Raman thermal maturity estimates from shale organic matter AM Jubb, PJ Botterell, JE Birdwell, RC Burruss, PC Hackley, BJ Valentine, ... International Journal of Coal Geology 199, 1-9, 2018 | 52 | 2018 |
Biomarker similarities between the saline lacustrine eocene green river and the paleoproterozoic barney creek formations KL French, JE Birdwell, MDV Berg Geochimica et Cosmochimica Acta 274, 228-245, 2020 | 51 | 2020 |
Sulfur species in source rock bitumen before and after hydrous pyrolysis determined by X-ray absorption near-edge structure TB Bolin, JE Birdwell, MD Lewan, RJ Hill, MB Grayson, S Mitra-Kirtley, ... Energy & Fuels 30 (8), 6264-6270, 2016 | 47 | 2016 |
Molecular characterization and comparison of shale oils generated by different pyrolysis methods JM Jin, S Kim, JE Birdwell Energy & fuels 26 (2), 1054-1062, 2012 | 46 | 2012 |
Geochemistry of a thermally immature Eagle Ford Group drill core in central Texas KL French, JE Birdwell, KJ Whidden Organic Geochemistry 131, 19-33, 2019 | 45 | 2019 |
Characterization of oil shale, isolated kerogen, and postpyrolysis residues using advanced 13C solid-state nuclear magnetic resonance spectroscopy X Cao, JE Birdwell, MA Chappell, Y Li, JJ Pignatello, J Mao AAPG bulletin 97 (3), 421-436, 2013 | 43 | 2013 |
In-place oil shale resources examined by grade in the major basins of the Green River Formation, Colorado, Utah, and Wyoming JE Birdwell, TJ Mercier, RC Johnson, ME Brownfield Fact Sheet, 2013 | 41 | 2013 |
Molecular-level characterization of crude oil compounds combining reversed-phase high-performance liquid chromatography with off-line high-resolution mass spectrometry A Sim, Y Cho, D Kim, M Witt, JE Birdwell, BJ Kim, S Kim Fuel 140, 717-723, 2015 | 37 | 2015 |