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Keywords: porosity
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Proceedings Papers

Publisher: Society of Petrophysicists and Well-Log Analysts
Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0119
... ABSTRACT With the increasing demand for oil and gas exploration, the reason for sidetracking an existing well is to restore or increase the production of an existing well quickly and economically. As basic reservoir parameters, porosity and oil saturation are essential for the real-time...
Proceedings Papers

Publisher: Society of Petrophysicists and Well-Log Analysts
Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0120
... cebr 3 completion evaluation software neutron generator porosity spectra publication SPWLA 65th Annual Logging Symposium, May 18-22, 2024 DOI: 10.30632/SPWLA-2024-0120 GEOCHEMISTRY AND SATURATION APPLICATIONS UTILIZING A NEW SLIM PULSED NEUTRON TECHNOLOGY Weijun Guo, PhD., Fransiska Goenawan...
Proceedings Papers

Publisher: Society of Petrophysicists and Well-Log Analysts
Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0121
... ABSTRACT Porosity is one of the essential parameters in conventional oil and gas reservoir evaluation, as well as plays an important role in the calculation of formation saturation and reserves estimation. Neutron porosity logging based on Am-Be source is the most commonly used method...
Proceedings Papers

Publisher: Society of Petrophysicists and Well-Log Analysts
Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0025
... in this integrated workflow enables reservoir navigation and real-time correlation of a petrophysics model with offset well porosity and permeability. Results highlight a cornerstone in either a clastic or carbonate environment, with an increased net-to-gross and productivity index of this dynamic application...
Proceedings Papers

Publisher: Society of Petrophysicists and Well-Log Analysts
Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0033
... rock type logging symposium th annual logging symposium saturation porosity envelope instrument spwla 65 geologist well logging annual logging symposium cross-section geology spectrum neutron resolution log analysis salinity spwla-2024-0033 scintillator detector exhibition annual...
Proceedings Papers

Publisher: Society of Petrophysicists and Well-Log Analysts
Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0034
... saturation using resistivity and porosity as input parameters. However, the B&T equation includes normalized gas data (gas readings that exclude external interferences) and Perforability Index (PI) as inputs for predicting water saturation. Another factor, the Gas Water Baseline (GW), serves...
Proceedings Papers

Publisher: Society of Petrophysicists and Well-Log Analysts
Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0043
.... In these reservoirs, porosity, and permeability models from the well to the field scale have been built by integrating attributes extracted from borehole image logs, conventional petro-physical log suits, routine core analysis and permeability estimations based on drill stem test measurements. However...
Proceedings Papers

Publisher: Society of Petrophysicists and Well-Log Analysts
Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0046
... at the surface; mistakes at core cleaning procedures; and non-representativeness of formation, by oversampling the zones with the best reservoir characteristics (Cooke, 1987). geologist carbonate rock salt tectonics rock type porosity log analysis sedimentary rock drilling operation well logging...
Proceedings Papers

Publisher: Society of Petrophysicists and Well-Log Analysts
Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0047
... ABSTRACT The porosity of pre-salt carbonate rocks is a petrophysical property used for characterizing the quality of oil and gas reservoirs. Integrating depositional characteristics, diagenetic modifications, and petrophysical properties challenges carbonate rocks’ petrographic description...
Proceedings Papers

Publisher: Society of Petrophysicists and Well-Log Analysts
Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0048
... ABSTRACT Formation evaluation, specifically the estimation of petrophysical properties (porosity, water saturation and fluid and mineral composition), is tightly dependent on the Rock Physics Model (RPM) used for interpretation of well logs and core data. RPMs are known to exhibit small...
Proceedings Papers

Publisher: Society of Petrophysicists and Well-Log Analysts
Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0055
... in porous media sedimentary rock geology well logging clastic rock artificial intelligence fluid dynamics rock type log analysis reservoir characterization estimation dispersion dielectric dispersion pirrone stratigraphy porosity spwla 65 salinity resolution reservoir geomechanics...
Proceedings Papers

Publisher: Society of Petrophysicists and Well-Log Analysts
Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0056
... a probability of occurrence, and treat their ensemble as probability distributions. Given the statistical nature of the method, results consist of probability distributions for each property (e.g., porosity and hydrocarbon pore thickness) within each layer. These results are easier visualized and understood...
Proceedings Papers

Publisher: Society of Petrophysicists and Well-Log Analysts
Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0068
... the collected data, focusing on delineating porosity, formation factor, cementation factor, tortuosity, coordination number, throat radius, pore radius, throat length, and pore to the throat aspect ratio. We also applied deep learning algorithms, trained on a data set of 1,418 images. The analysis of 100 thin...
Proceedings Papers

Publisher: Society of Petrophysicists and Well-Log Analysts
Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0002
... of contrasting elastic moduli of any other origin. The model calibration process includes stochastic inversion of the log based acoustic impedance, and Vp/Vs ratio to compute the porosity, laminated and dispersed clay volume. Splitting the total clay volume into dispersed and laminated parts is the basis...
Proceedings Papers

Publisher: Society of Petrophysicists and Well-Log Analysts
Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0003
... field. We observed good and useful correlations between the Biot coefficient and some petrophysical and geophysical properties as well. For instance, the Biot coefficient increases with the porosity according to an approximately linear relation. It is also well correlated with the acoustic impedance...
Proceedings Papers

Publisher: Society of Petrophysicists and Well-Log Analysts
Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0008
... from 260 microns pre-test to 215 microns after cyclic strain test. The total porosity of the sample was reduced by 3%. However, some regions of the sample experienced compaction (decrease in pore body size) and others were dilated (local increase in pore body size). The progressive strain displayed...
Proceedings Papers

Publisher: Society of Petrophysicists and Well-Log Analysts
Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0019
... ABSTRACT Carbonate reservoir rocks present highly heterogeneous pore structure due to their growth by mineral precipitations and diagenetic alterations. Nevertheless, the resulting rock matrix properties, such as capillary pressure, porosity, and permeability, control the recoverable...

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