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Keywords: thermal maturity
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Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-2667-MS
... continuous interval can be used to target ideal facies for a more effective frac design (i.e. total organic content, thermal maturity and elastic properties). Studies that have examined organic rich shale properties at multiple scales have successfully correlated kerogen content and thermal maturity with...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-425-MS
... Abstract The thermal maturity of organic-rich mudstones is one of the main parameters to evaluate, when appraising a new area in an unconventional shale play project, to decide on the best field development strategy and to define the landing zones. Conventionally, thermal maturity is derived...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-513-MS
... complex reservoir paraffinicity migration shale gas heterogeneity Geochemistry structural geology fractionation thermal maturity Reservoir Characterization Upstream Oil & Gas stack east application aromaticity Mississippian organic geochemistry sesquiterpane Cosmochimica...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-461-MS
..., and the shallower, less-mature Spraberry reservoirs commonly produce Wolfcamp oil rather than in-situ Spraberry oil. The dominance of Wolfcamp oils highlights the importance of higher thermal maturity and vertical and lateral migration pathways. The source rocks across Martin County in the northern...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-572-MS
... thermal maturity, ranging from water- to hydrocarbon-wet at low to high thermal maturities, respectively. However, clay minerals tend to preferentially be water-wet. It is therefore important to determine which of these constituents have a dominant contribution to overall wettability of the rock. To...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-575-MS
..., understanding the impacts of geochemistry, thermal maturity, and wettability on water production is crucial for production optimization in organic-rich mudrocks. The objective of this paper is to investigate the impact of geochemistry, thermal maturity, and wettability on water and hydrocarbon production in...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-630-MS
... Abstract Organic carbon content and thermal maturity are critical to the evaluation of shale gas and shale oil plays, determining the productivity of the formation and type of hydrocarbons that are produced. In this analysis, we demonstrate that these parameters also affect acoustic...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-903-MS
... publications (Holmes et al 2014, Holmes et al 2017) a methodology was described to define four porosity components, namely total organic carbon (TOC), clay porosity, effective inorganic porosity, and effective organic porosity. This last component, a derivative from TOC during the thermal maturation process...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-501-MS
... LEF samples contain depositional kerogen and migrated organic matter. Much of the migrated organic matter occupies diagenetically reduced primary porosity. Some of this organic matter is not porous, while some contains large pores and other contains a fine network of nanopores. Where thermal maturity...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-1093-MS
... compressibility because these properties cause basic modifications in how seismic waves travel through the rock. This study shows advancements in studies of: 1) TOC loss with increased thermal maturation, 2) how this loss affects the development of organic porosity, 3) how kerogen becomes denser, harder, and...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-124-MS
... Abstract The differences in thermal maturity of migrated, conventional oil vs in situ shale oil can be recognized by standard petroleum geochemical methods. Thermal maturity of the oils was assessed in this study using both gas chromatography (GC) and GC-mass spectrometry (GCMS), often...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2903536-MS
... Abstract The objective of this study was to correlate shale hydrous pyrolysis with thermal maturity measurements based on solid bitumen reflectance (BR o ) at the U.S. Geological Survey (USGS) and Raman microscopy (RM) at WellDog. In semi-blind Phase I, BR o values of the initial set of 8...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2887535-MS
... Abstract The Eagle Ford Formation is a well-known shale gas/oil unconventional reservoir in the United States. The purpose of this study was to evaluate the hydrocarbon potential and thermal maturity of Eagle Ford Formation in northeast Mexico (Coahuila State). The geochemical...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2901653-MS
... Abstract Condensate-gas ratio and deep-cut yield in liquid-rich unconventional plays are primarily controlled by thermal maturity and hydrocarbon migration pathways. While regional maturity trends have long been recognized in basin analysis studies, predicting fluid compositional variations at...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2901680-MS
... source rock for each petroleum system have been determined, e.g., depositional environment, lithofacies, and geologic age. Furthermore, the thermal maturity of each oil sample was calculated using biomarker maturity-dependent ratios, not used in the statistical analyses to determine oil source. Recently...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2901788-MS
... resistivity at low thermal maturity, increases with increasing maturity, commonly peaking in the wet-gas window, and then decreases at the wet- to dry-gas transition. In highly organic shales at very high maturities (﹪Ro>3) resistivities can be up to three orders of magnitude less than observed in the same...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2901731-MS
... and basin histories all lead to poor quality predictions using standard Eaton or Bowers methods. But Pp prediction remains important in unconventional reservoirs due to the correlation between overpressured areas and productivity, and the correlations between thermal maturity and pore pressure. We...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2902718-MS
... Abstract The Southern Delaware basin has proven to be prolific for production of liquid rich hydrocarbons with operators targeting in the various layers of the Permian and deeper Paleozoic formations. With deeper formations, the thermal maturity of the source rocks increase and the reservoir...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2902155-MS
... affect their wettability. Recent publications suggested that kerogen wettability is affected by thermal maturity of rocks, and can influence wettability of mudrocks. In this paper, we experimentally quantify the influence of chemical bonding on the wettability of kerogen, and quantify the influence...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 24–26, 2017
Paper Number: URTEC-2697424-MS
... by 88 Energy in 2015. These wells are located down-dip from producing fields in ideal thermal maturity windows for the Shublik Formation (targeted by Alcor-1 and Merak-1) and the Hue-HRZ (targeted by Icewine-1). Together, these two organic-rich units have generated the bulk of the oil found in...

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