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Keywords: correlation
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Proceedings Papers

Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0032
...% of samples while other points are applied for testing of the model. The data analysis on the correlation between rock permeability and parameters of capillary pressure is studied and showed that using pore throat radius corresponding to saturation range of 0.4-0.8 and the median capillary pressure values...
Proceedings Papers

Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0067
... be challenged when the context information is important because of ambiguity in the logs. well logging upstream oil & gas information log analysis deep learning test well machine learning artificial intelligence bakken dataset correlation prediction neutron porosity spwla-2022-0067...
Proceedings Papers

Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0071
... Abstract Well log correlation is used extensively to generate subsurface cross-sections from the sparse well data. This is commonly done by a subject matter expert such as stratigraphers and exploration geophysicists. Several methodologies exist for automating the procedure with varying...
Proceedings Papers

Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0076
... and fluid contact around the wellbore under complex geologic environment. The project evaluates the effectiveness of various combinations of LWD measurements to understand the role of geologic constraints in place of additional measurements. The investigation starts with the commonly applied log-correlation...
Proceedings Papers

Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0091
... upstream oil & gas sandstone reservoir salinity mdpnt saturation climate change gas reservoir porosity hydrogen index injection subsurface storage correlation simulated co 2 natural gas spwla-2022-0091 rd annual logging symposium SPWLA 63rd Annual Logging Symposium, June 10-15, 2022...
Proceedings Papers

Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0108
... reservoir characterization casing and cementing borehole well logging correlation acoustic tool spwla 63 compressional slowness waveform arrival time spwla-2022-0108 cbl tool amplitude slowness application transmitter rd annual logging symposium SPWLA 63rd Annual Logging Symposium, June...
Proceedings Papers

Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0110
... interval spwla 63 correlation gradient sandstone rd annual logging symposium well control logging while drilling drilling operation upstream oil & gas shear failure gradient drilling window drilling data acquisition well logging directional drilling geological pilot well structural...
Proceedings Papers

Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0113
... is described. The workflow consists of the following five constituents: (1) statistical tools such as correlation heatmaps are employed to select the best candidate input variables for the target petrophysical equations; (2) genetic programming based symbolic regression approach is used to fuse multiphysics...
Proceedings Papers

Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0126
... is therefore an independent source of information void of conditional dependencies between measurement types. We discuss the possibilities that the dataset offers and present results from analysis that have been made. In a set of repeated measurements, we find a high degree of consistency. The correlation...
Proceedings Papers

Paper presented at the SPWLA 62nd Annual Logging Symposium, May 17–20, 2021
Paper Number: SPWLA-2021-0010
..., Doris Gonzalez, Benjamin S. Slotnick, Sol Moreno, Wilson Pineda, and Milad Saidian. BP America. Oliver C. Mullins, Scott Paul, Jesus Cañas, and Alok Kulkarni. Schlumberger Copyright 2021, held jointly by the Society of P etrophysicists and Well Log general correlation of optical density and asphaltene...
Proceedings Papers

Paper presented at the SPWLA 62nd Annual Logging Symposium, May 17–20, 2021
Paper Number: SPWLA-2021-0033
...% to make them more realistic like downhole logs. The synthetic conductivity and permittivity logs are used as inputs in a neural network application to explore possible correlations with water-filled porosity. It is found that while the conductivity and permittivity logs are generated from randomly...
Proceedings Papers

Paper presented at the SPWLA 62nd Annual Logging Symposium, May 17–20, 2021
Paper Number: SPWLA-2021-0032
... logs or tracers, are correction factors, water density correlations and lab indirectly inferred based on measuring some physical mass balance equations) and other factors (for instance, parameters and attributes from the reservoir, such as sources of water salinity, filtrate invasion, bleeding...
Proceedings Papers

Paper presented at the SPWLA 62nd Annual Logging Symposium, May 17–20, 2021
Paper Number: SPWLA-2021-0004
... during hydrocarbon expulsion. MATERIALS AND METHODS Depth Various surface measurements including advanced mud gas, organic and inorganic geochemistry on cuttings was compared and correlated with PVT compositional data, downhole petrophysical logs and organic lab measurements and assessments on oil...
Proceedings Papers

Paper presented at the SPWLA 62nd Annual Logging Symposium, May 17–20, 2021
Paper Number: SPWLA-2021-0118
..., which This paper was prepared for the SPWLA 62nd Annual Logging Symposium held is not close to the field average n value (1.82). Specific online from May 17-20, 2021. correlations were found by discriminating Swir (Swir < 15 (Swir 15% 19 and Swir (> 19 The results ABSTRACT showed that using n...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5100
... hole reservoir evaluation operator workflow symposium june 24 well intervention production enhancement correlation pulsed neutron evaluation correction cement bond SPWLA 61st Annual Logging Symposium, June 24 to July 29, 2020 1 CASED HOLE RESERVOIR EVALUATION AS A MEAN OF RISK REDUCTION...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5102
.... Available rock data were initially classified into lithofacies according to Mutti facies. For the interpretation of the electrofacies, a reclassification was made based on the lithofacies described in the Bouma sequence, resulting in 5 clusters correlated to conglomerate and sandstone to interlaminated...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5104
... reservoir in the Williston Basin. The performance of support vector regression was compared to that of backpropagation neural network model based on the correlation coefficient, root mean square error, and maximum absolute error indexes. The results suggest the use of the two algorithms complementary...
Proceedings Papers

Paper presented at the SPWLA 60th Annual Logging Symposium, June 15–19, 2019
Paper Number: SPWLA-2019-BBB
... brittleness index considering the effect of mineralogical composition and elastic moduli. Reservoir Characterization Upstream Oil &amp; Gas shale gas hydraulic fracturing complex reservoir strength spwla 60 correlation resistivity Passey Rickman fracture Schmoker bulk density rock...
Proceedings Papers

Paper presented at the SPWLA 60th Annual Logging Symposium, June 15–19, 2019
Paper Number: SPWLA-2019-HH
..., no comprehensive temperature correlations of key NMR logging deliverables, such as the distributions and geometric means of T 1 or T 2 , are available. log analysis principal component correlation Artificial Intelligence macro porosity cutoff data sample well logging cutoff reservoir...
Proceedings Papers

Paper presented at the SPWLA 60th Annual Logging Symposium, June 15–19, 2019
Paper Number: SPWLA-2019-S
... challenge for the industry. The existing approaches employed in commercial platforms are typically based on classical cross-correlation and covariance measures of two signals, followed by manual adjustments. These solutions do not satisfy the rising demand to minimize user intervention to proceed towards...

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