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Petrophysical properties of gas reservoirs

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Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164626-MS
... through the investigation of the effect of sulfur deposition on the reservoir porosity, permeability, relative permeability, and the change in rock wettability due to sulfur deposition especially in the near-wellbore region. The developed model considered the change in reservoir gas properties...
Journal Articles
Journal: SPE Journal
SPE J. 19 (04): 703–715.
Paper Number: SPE-164440-PA
Published: 31 December 2013
... analytical models ignored the effect of sulfur adsorption on the rock surfaces on the change in rock petrophysical properties. Also, the change in gas properties with the reservoir pressure was neglected in some of the previous models. In this study, the adsorption term was determined and considered...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 8–10, 2012
Paper Number: SPE-159172-MS
... are additional complicating factors in determining reservoir pressure. This paper addresses the above technical complications and estimates petrophysical properties of low-mobility formations using a newly developed adaptive-testing approach. The adaptive-testing approach employs an automated pulse-testing...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 20–22, 2008
Paper Number: SPE-114254-MS
... porosity and low permeability reservoir b) The presence of clay minerals like illite, kaolin and micas in pores, c) The heterogeneity of the reservoir in vertical and lateral directions. Evaluation of tight gas sand reservoirs represents difficult problems. Determination of petrophysical properties using...
Proceedings Papers

Paper presented at the SPWLA 52nd Annual Logging Symposium, May 14–18, 2011
Paper Number: SPWLA-2011-N
...SPWLA 52nd Annual Logging Symposium, May 14-19, 2011 COAL PETROPHYSICAL PROPERTIES FOR REALISTIC COAL GAS RESERVOIR MODELLING Stefan Calvert, Ian Percy, Tim Pritchard, Neal Morgan, Jordan Graham, Mohammed Al-Ojeh, QGC-BG Group PLC, Jess Maddren, EarthData Pty Ltd, and Peter Crosdale, Energy...
Proceedings Papers

Paper presented at the 2012 SEG Annual Meeting, November 4–9, 2012
Paper Number: SEG-2012-0844
... deviations. We estimate the probability of the gas sands with multivariate Gaussian classification based on seismic-derived elastic properties and petrophysical characterization. Our study shows that Ciénaga de Oro gas reservoir is characterized by lower density, moderately lower Vp and moderately larger Vs...
Proceedings Papers

Paper presented at the Offshore Mediterranean Conference and Exhibition, March 29–31, 2017
Paper Number: OMC-2017-631
... distributions of petrophysical properties from the seismic angle- dependent reflectivity. Both inversion techniques have been tested within the appraisal studies of a productive gas- reservoir located in stacked turbidite channels in the offshore Nile Delta. The whole reservoir area (around 100 km2) was covered...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, December 10–12, 2014
Paper Number: IPTC-18121-MS
... petrophysical, reservoir and elastic logs that are consistent interwells and intra-well, cover the entire interval of interest, cover reservoir and non-reservoir rocks, and represent the true, undisturbed rock properties. In this study, 10 wells (9 exploration and 1 appraisal) from an oil and gas field...
Proceedings Papers

Paper presented at the SPE Kuwait Oil and Gas Show and Conference, October 11–14, 2015
Paper Number: SPE-175331-MS
... of interpretations from such petrophysical properties as porosity, permeability, and water saturation created through the static reservoir modeling process, leading, in many cases, to misleading allocation of proposed infill well locations. This is a project on static reservoir modeling of a large gas field...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2013
Paper Number: IPTC-16926-Abstract
... Abstract Determination of porosity, hydrocarbon saturation and net reservoir thickness in unconventional shale oil and gas reservoirs is often a major petrophysical challenge due to the low porosities typically present in these reservoirs and the impact of kerogen on fundamental rock properties...
Proceedings Papers

Paper presented at the 2008 SEG Annual Meeting, November 9–14, 2008
Paper Number: SEG-2008-1870
... ABSTRACT We invert short offset stacked seismic data to jointly estimate reservoir and elastic parameters following a statistical model that relates medium properties with well-logs and petrophysical relations in a gas reservoir area. Our petrophysical model combines the Wyllie equation...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 2–4, 2021
Paper Number: SPE-207077-MS
..., which are lithology, shale volume, porosity and saturation determination. It is unwise to analyze well log without following the logical steps, as this could introduce errors in the result. Petrophysical and Geomechanical properties are two classes of properties for reservoir characterization...
Proceedings Papers

Paper presented at the Offshore Technology Conference Asia, November 2–6, 2020
Paper Number: OTC-30414-MS
... permeability, different geological, mechanical, and petrophysical properties compared to conventional reservoirs ( Dewhurst et al., 2015 ). Horizontal drilling is usually combined with multistage hydraulic fracturing to enhance gas production by creating complex artificial fractures ( Chong et al., 2010...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3581298
... Gaussian components Introduction (of which weights denote the percentage of each lithology/ lithofacies), which has been effectively adopted to describe Petrophysical AVO inversion combines rock physics model the statistical properties of reservoir parameters (Grana et and prestack seismic inversion, which...
Proceedings Papers

Paper presented at the ISRM 9th International Symposium on Geomechanics, May 5–6, 2021
Paper Number: ISRM-ISG-2021-05
... and hydraulic fracturing is essential before orienting and defining the well trajectory. This article will characterize reservoir properties in terms of its geomechanics and petrophysics, specifically rock brittleness, since they are the main determining factor for selection of shale gas reservoirs...
Proceedings Papers

Paper presented at the Offshore Mediterranean Conference and Exhibition, March 27–29, 2019
Paper Number: OMC-2019-1125
..., and on the physical and chemical properties of the solids and fluids. Consequently, petrophysical properties may similar in a homogeneous reservoir or they may vary from one position to another, in a heterogeneous reservoir. Stochastic modeling techniques used to understand heterogeneity of sequoia channel...
Proceedings Papers

Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17789810
... petrophysical property estimation wet sand gas sand reservoir characterization seismic inversion probability seg seg international exposition classification litho-fluid facies estimation workflow facies artificial intelligence litho-fluid facies information upstream oil & gas mars annual...
Proceedings Papers

Paper presented at the SPWLA 62nd Annual Logging Symposium, May 17–20, 2021
Paper Number: SPWLA-2021-0055
... helps optimize well completion design. reservoir characterization well logging spwla-2021-0055 accuracy drilling measurement logging while drilling seismic data petrophysical modeling drilling data acquisition lwd spwla 62 different property log analysis upstream oil & gas...
Proceedings Papers

Paper presented at the SPWLA 50th Annual Logging Symposium, June 21–24, 2009
Paper Number: SPWLA-2009-18523
... values of electrical properties that varied with porosity. This approach was supported both by recent core analysis and published studies in other tight gas reservoirs showing similar relationships. Determination of hydrocarbons in place was completed as a final step in the petrophysical work flow. Tight...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 11–14, 2019
Paper Number: SPE-197330-MS
... distribution network and petrophysical properties for further modeling. complex reservoir Thickness Upstream Oil & Gas average layer thickness petrophysical property small layer seismic interpretation linear combination weighting Reservoir Characterization modeling shale gas reservoir...

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