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Keywords: porosity
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Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3590593
... are frequently used methods are mainly used for clastic rocks, and their for clastic reservoir characterization rather than on carbonate objectivities are to invert porosity and water saturation. In reservoir characterization. Compared with clastic reservoirs, addition, the most commonly used data sets are often...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583466
... Permeability, porosity and shale content are important parameters for reservoir characterization, which are of great significance for the prediction of high quality reservoirs. However, in the actual production, the low permeability sandstone reservoirs have large vertical and horizontal...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3584086
... porosity workflow fracture geometry variation xf estimate fracture half-length microseismic data exploration geophysicist 10 microseismic estimate completion parameter microseismic response representation montney Estimating fracture geometry in the Montney using seismic and microseismic data...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3582522
... discoveries of 2019. lang lebah aqilah amir jamalullail porosity central luconia province upstream oil & gas offshore sarawak inversion reservoir characterization applied geoscience exploration geophysicist 10 seismic data evaluation carbonate buildup lang lebah prospectivity sarawak...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583577
... different from those in conventional rocks. Source rock properties are difficult to measure, understand, and simulate because of their nanoscale heterogeneities, low porosity, and tiny pore-sizes. We focus on elastic characterization of the soft organic component of source rocks, that typically occurs...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3594870
.... Both the calibration of Greenberg and Castagna’s trends and Vernik’s predictive methods can be helpful for shear-wave velocity and impedance prediction in the Bakken Formation. A total porosity range between 6% and 10% corresponds to Bakken shales with TOC content ≥ 10 wt% with P-impedance (AI) and S...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3594517
... Coordination number is an important parameter in the prediction of elastic properties of porous rocks using contact models. It has been found that coordination number changes with both porosity and pressure. However, existing relations for coordination number are based either on porosity...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3594813
... like porosity. We demonstrate the usage of modern data science and model architecture optimization techniques. As a result, we fine-tune the predictive models to reduce over-fitting and achieve better model generalization. We can provide confidence estimates for the rock property predictions. As a part...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3594787
.... By scanning the rock with objects of known density, we calibrate the model into units of density. Using the negative relationship between density and porosity, we then create a porosity model for the entire rock. For a cube with a given side length, we collect n random sub-cubes, where n is iterated from...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3594953
... by the variation of pore structures and can be studied as a function of mineralogy, porosity, grain size, and pore shape. An elastic parameter called frame flexibility factor or pore structure parameter (γ) from a rock-physics model is proposed as an indicator to study the effect of various pore structures...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3594895
... A 2D seismic AVO inversion and well log analysis was performed to characterise a geothermal reservoir in the northern Zealand of Denmark in 2019. This case study shows how from the seismic inversion results it is possible to interpret different lithologies and estimate porosities through links...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3595035
... complexity is significant, it is essential to determine high-risk zones before Figure 1: Dual-porosity reservoir model, (after Warren and Root, drilling to ensure more accurate drilling and minimize 1963) operating time and costs. Seismic attributes applying to determine these high-risk zones area valuable...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3581244
... introduce a method to predict reservoir porosity from seismic velocity in clastic sedimentary basins consisting mainly of sand and shale sequences. It entails using velocity as a measure of compaction in a rock-physics study instead of commonly used depth of burial. We present the methodology...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3595024
... properties of all rocks are determined by external factors phase behave linear elastically as long as microscopic temperature, confining pressure, strain rate, and by internal deviatoric stress peak remain below a specific critical value. factors mineral composition, porosity, clay volume, grain If due...
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
... ratio of an ellipsoidal Reservoir property parameters, i.e., porosity, clay content, pore). However, the aspect ratio is usually considered and saturation, directly link the reservoir hydrocarbon- constant for rock physics modeling in conventional petro- bearing prediction and evaluation, of which...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3581072
... The properties of cracks in low porosity rocks determine their elastic and transport properties, and therefore are highly relevant to the monitoring of hydrocarbon and geothermal recovery processes. Processes that generate large crack densities can cause large and disparate reductions in P...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3581975
... on fluid flow analysis because it does not sectional area of pore-throats, tortuosity, and porosity. require special boundary conditions, making it easy to These factors significantly vary with the shape parameter, simulate fluid flow (Holmes et al., 2011; Tanimoto et al., although the porosities...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583101
... correlation model and then extend We propose an efficient spatially correlated McMC method the approach to the 2-dimensional case using the sequential to estimate the posterior distribution of petrophysical approach. For a single trace, we assume a Gaussian prior properties (porosity, clay content, and water...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3570787
..., 1987) was used to involves quantitative analysis on a sequence of slices characterize the cement-formation interfaces. X-ray from X-ray Computed Tomography scans to study the computed tomography (CT) scans were collected change in porosity from the cement end to the using an NSI X5000 Industrial CT...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3575888
... different aspect ratio spectrum ultrasonic velocity data porosity exploration geophysicist 10 inversion equation Using cracked porous medium wave theory to determine rock pore structure and predict seismic wave dispersion Xiao-Ming Tang*, and Heming Wang China University of Petroleum (East China...

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