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Keywords: petrophysical property
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Proceedings Papers

Paper presented at the SPWLA 62nd Annual Logging Symposium, May 17–20, 2021
Paper Number: SPWLA-2021-0030
... reservoir characterization upstream oil & gas machine learning artificial intelligence log analysis classification petrophysical property nd annual logging symposium whole-core photo formation evaluation ct-scan image bulk density well logging pixel annual logging symposium...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5057
... well logging log analysis core analysis sand injectite reservoir cutoff porosity sandstone brecciated interval dyke upstream oil & gas shale spwla 61 reservoir characterization structural geology petrophysical property july 29 injectite june 24 clast interpretation...
Proceedings Papers

Paper presented at the SPWLA 60th Annual Logging Symposium, June 15–19, 2019
Paper Number: SPWLA-2019-KK
... in developing a tractable solution are defined. Workflows are presented to show how both basic (static) and saturation-dependent (dynamic) petrophysical properties may be moved from one scale to the other. The similarities and the differences in the procedures at each scale are described. In addition...
Proceedings Papers

Paper presented at the SPWLA 60th Annual Logging Symposium, June 15–19, 2019
Paper Number: SPWLA-2019-BBBBB
.... In contrast, drill cuttings are available for all the wells and thus can provide reservoir data throughout all the phases of the field development. A nuclear magnetic resonance (NMR) based method was developed to accurately determine petrophysical properties including porosity, bulk density, and matrix...
Proceedings Papers

Paper presented at the SPWLA 60th Annual Logging Symposium, June 15–19, 2019
Paper Number: SPWLA-2019-KKKK
... ABSTRACT The process of mud-filtrate invasion gives indirect information about the dynamic petrophysical properties of reservoir rocks, which are essential to predict ultimate hydrocarbon recovery and to optimally design hydrocarbon recovery procedures. Our focus is on the interpretation...
Proceedings Papers

Paper presented at the SPWLA 60th Annual Logging Symposium, June 15–19, 2019
Paper Number: SPWLA-2019-CCCCC
... this technical challenge, we introduce an inversion workflow that reproduces measurements via analogues of thinly-laminated reservoirs. We use a Markov-Chain Monte Carlo inversion algorithm to generate independent realizations of each petrophysical property. All petrophysical properties are combined to estimate...
Proceedings Papers

Paper presented at the SPWLA 59th Annual Logging Symposium, June 2–6, 2018
Paper Number: SPWLA-2018-III
...SPWLA 59th Annual Logging Symposium, June 2-6, 2018 1 NEW MULTIPHYSICS, MULTISCALE INVERSION FOR IMAGING PETROPHYSICAL PROPERTIES IN ANISOTROPIC, LAMINATED FORMATIONS Sushil Shetty, Lin Liang, Schlumberger; Qiwei Zhan, Duke University; Vanessa Simoes, Fábio C. Canesin, Austin Boyd, Smaine Zeroug...
Proceedings Papers

Paper presented at the SPWLA 59th Annual Logging Symposium, June 2–6, 2018
Paper Number: SPWLA-2018-NNN
...SPWLA 59th Annual Logging Symposium, June 2-6, 2018 1 EXPORTING PETROPHYSICAL PROPERTIES OF SANDSTONES FROM THIN SECTION IMAGE ANALYSIS Dutt N. Tripathi, Lori A. Hathon and Michael T. Myers, University of Houston Society of Petrophysicists and Well Log Analysts Copyright 2018, held jointly...
Proceedings Papers

Paper presented at the SPWLA 58th Annual Logging Symposium, June 17–21, 2017
Paper Number: SPWLA-2017-JJJ
... and imbibition which would be of significant interest for field simulation and production forecast. constraint water saturation effective porosity resistivity well logging water zone porosity Symposium Upstream Oil & Gas petrophysical property petrophysical inversion saturation log...
Proceedings Papers

Paper presented at the SPWLA 58th Annual Logging Symposium, June 17–21, 2017
Paper Number: SPWLA-2017-XXXX
... a well located in the northern Delaware Basin producing from the lower Brushy Canyon Formation. Models varied from a single layer model with simple-averaged, petrophysical properties to a fine resolution 1-ft model with detailed petrophysical values. Detailed core descriptions were constructed...
Proceedings Papers

Paper presented at the SPWLA 58th Annual Logging Symposium, June 17–21, 2017
Paper Number: SPWLA-2017-QQ
... Symposium spwla 58 salinity saturation intergranular porosity optimization problem Brine petrophysical property carbonate realization carbonate formation matrix dielectric constant inversion resistivity SPWLA 58th Annual Logging Symposium, June 17-21, 2017 1 CARBONATE FORMATION EVALUATION...
Proceedings Papers

Paper presented at the SPWLA 58th Annual Logging Symposium, June 17–21, 2017
Paper Number: SPWLA-2017-YYY
... ABSTRACT Dielectric log can be used to obtain petrophysical properties of a formation like water saturation, water resistivity at DC, and formation texture. Dielectric tool operates at a wide frequency range from a few MHz to 1 GHz. Since the gathered data is inevitably contaminated with noise...
Proceedings Papers

Paper presented at the SPWLA 56th Annual Logging Symposium, July 18–22, 2015
Paper Number: SPWLA-2015-L
... Abstract Carbonate reservoirs are inherently complex in their nature. This complexity is due to a combination of depositional rock fabric textures and diagenetic modification of the rocks. Post-depositional processes can modify the original petrophysical properties (e.g. permeability...
Proceedings Papers

Paper presented at the SPWLA 55th Annual Logging Symposium, May 18–22, 2014
Paper Number: SPWLA-2014-FF
... of highly-deviated, HA, and HZ wells drilled across thinly-bedded and anisotropic calcite-cemented siltstone formations. Petrophysical properties of the thin beds, including coefficient of electrical anisotropy and hydrocarbon pore volume (HPV), are estimated using the inversion-based method. Results from...
Proceedings Papers

Paper presented at the SPWLA 55th Annual Logging Symposium, May 18–22, 2014
Paper Number: SPWLA-2014-U
... petrophysical models based on basic suites of logs. Such models can best predict petrophysical properties (grain density, porosity, and water saturation), when reliable laboratory measurements on rock samples are available for calibration purposes. This paper describes a workflow that utilizes a considerable...
Proceedings Papers

Paper presented at the SPWLA 55th Annual Logging Symposium, May 18–22, 2014
Paper Number: SPWLA-2014-QQ
... Abstract This paper presents a methodology for the generation of integrated petrophysical models that combine depositional environment concepts, and petrophysical properties. Examples of application of this methodology are presented for two cases from Colombia´s basins: one related...
Proceedings Papers

Paper presented at the SPWLA 55th Annual Logging Symposium, May 18–22, 2014
Paper Number: SPWLA-2014-YY
... characterization at all the desired depth intervals. While several studies focus on improvements in workflows for core measurements and well-log interpretation methods, we approach this challenge by introducing techniques to enhance the sensitivity of well logs to petrophysical properties of the formation...
Proceedings Papers

Paper presented at the SPWLA 54th Annual Logging Symposium, June 22–26, 2013
Paper Number: SPWLA-2013-FFFF
... petrophysical property porosity rock type Earth Model spwla 54 University SPWLA 54th Annual Logging Symposium, June 22-26, 2013 1 Copyright 2013, held jointly by the Society of Petrophysicists and Well Log Analysts (SPWLA) and the submitting authors. This paper was prepared for presentation at the SPWLA...
Proceedings Papers

Paper presented at the SPWLA 54th Annual Logging Symposium, June 22–26, 2013
Paper Number: SPWLA-2013-O
... an initial (while drilling) pass and second (wipe/ream) pass (Figure 1). A novel processing methodology makes it possible to perform petrophysical analysis in these difficult environments: Gas-bearing reservoirs, independent of the petrophysical properties of the gas Reservoirs drilled with K/Na formate...
Proceedings Papers

Paper presented at the SPWLA 54th Annual Logging Symposium, June 22–26, 2013
Paper Number: SPWLA-2013-D
...SPWLA 54th Annual Logging Symposium, June 22-26, 2013 1 Investigation of the impact of diagenesis on the petrophysical properties in the complex porosity systems in carbonates Kejian Wu, David Katz, Mark Skalinski, Rafael Salazar-Tio Copyright 2013, held jointly by the Society of Petrophysicists...

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