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Keywords: shale
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Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3418232
... theoretical rock-physics investigation in brine- and gas-saturated poorly-consolidated sands as well as illite-dominated shales, we consider the influence of frequency-related behavior as a fundamental part in the upscaling process of sand and shale elastic properties. The 3D synthetic modeling assumes...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427877
... formation identification seg international exposition structural geology shale geophysics anisotropy effect upstream oil & gas porosity avo analysis distributive column chart anisotropy seismic anisotropy anisotropic property reservoir characterization intercept avo interpretation...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427608
... Presentation Time: 2:40 PM Location: 362C Presentation Type: Oral reservoir characterization upstream oil & gas well logging log analysis renewable energy calculation shale seg international exposition geological society seismic velocity central sumatra basin exploration geophysicist 10...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427374
... This paper presents a case study for lithology prediction of the Wara Formation in Kuwait, using the prestack geostatistical inversion technique. The main objectives were to discriminate sand from shale, and to identify thin sand layers within Wara Formation. Petrophysical analysis and rock...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3428179
... curves, without reference to known lithologydependent templates that could provide realistic constraints. We construct porosity-depth trends for shales and sandstones with reference to measurements from literature that spawn both mechanical compaction and chemical diagenesis domains. These porosity...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3426030
... artificial intelligence reservoir characterization upstream oil & gas clean sandstone 1 semi-supervised algorithm classification facies sandstone seg international exposition facies profile exploration geophysicist 10 facies classification constraint silty shale clean sandstone 2 well-log...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3419221
... The total organic carbon (TOC) content of shales is one of the key parameters to evaluate organic richness and identify high quality reservoirs in shale hydrocarbon exploration. In general, two techniques have been widely used to quantify the TOC amount from conventional well log measurements...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3420041
... or the inflation. In this study, geomechanical modeling is used to quantify the stress changes and strains in a synthetic model for the formations in and around a depleting reservoir. The estimated strains are coupled to experimentally determined strain sensitivities for P-wave velocities of shales, to predict...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3417843
... geology in situ stress rate of penetration exploration geophysicist 10 reservoir geomechanics upstream oil & gas prestack seismic data base wolfcamp drilling operation bone spring shale inversion unconventional reservoir compressive strength avo inversion p-impedance rd bone spring...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3211255
..., the normal compaction velocity and bulk modulus of shale are simulated by anisotropic shale rock physics modeling to improve the accuracy of the normal trend. Since the bulk modulus and the seismic wave velocity can be converted to each other, we have tried to propose a method for predicting pore pressures...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3214084
... crossplot upstream oil & gas log analysis computation interpretation artificial intelligence carbonate different facies estimation porosity shale siliceous mudstone delaware basin bone spring machine learning water saturation equation wolfcamp well logging facies seg international...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3214644
... Time: 2:15 PM Location: Poster Station 4 Presentation Type: Poster annual meeting reservoir reservoir characterization shallow reservoir new opportunity interpretation shale seismic data hydrocarbon bearing bahrah area vintage seismic data lead area seg international exposition...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216693
... in conventional reservoir rocks from the Norne Field (offshore Norway). Bulk density, gamma-ray and neutron porosity logs are employed in a workflow that relies on layer-by-layer least-squares regressions to estimate matrix, shale and fluid apparent densities, considering shale volume and porosity empirical...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216890
... strain value calculation equation reservoir characterization reservoir geomechanics stress equation annual meeting seg international exposition shale vernik Vernik , L. , 2016 , Seismic petrophysics in quantitative interpretation : Investigations in Geophysics Series 18 : SEG...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3198626
... ABSTRACT We model the clay matrix in shales as anisotropic clay platelets embedded in a softer interparticle medium consisting of clay-bound water and interparticle contacts. Properties of the inter-platelet region are governed by its effective bulk and shear moduli, and the clay platelets...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3201888
... within shale sequences assume isotropic properties. This paper presents a pragmatic, data-driven approach in order to deal with anisotropy by utilising all the data types from the interpretation of well, drilling and pore pressure data. Presentation Date: Monday, September 16, 2019 Session Start Time...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3211226
... international exposition case study acoustic impedance elastic impedance chi angle annual meeting impedance seismic inversion shale water saturation discrimination Moubarak , H. , T. Al-Rashid , and Z. Ren , 2018a , Seismic facies classification and rock typing to better...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3209019
... ABSTRACT Pressure is a significant factor affecting moduli and velocities of shale gas or oil reservoir. One novel iterative rock physical model building approach of shale is initially proposed in this study to analyze the effect of the pressure on shale by introducing the pore space stiffness...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3213946
... ABSTRACT The elastic velocity and anisotropy of shales are significantly affected by the orientation distribution of clay minerals including mica. A lot of research has been done on elastic properties of clay and clay aggregates with varying degree of the platelet preferred orientation...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3214237
... ABSTRACT As velocity anisotropy in shale affects seismic imaging and reflection characteristics, appropriate consideration of it leads to successful reservoir characterization. Bachrach (2011) proposed a rock physics approach of anisotropy prediction. He models anisotropy as a function...

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