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Keywords: calculation
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Proceedings Papers

Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0036
... reservoir characterization drilling fluid selection and formulation fraction gas phase fraction eec obm drilling fluid chemistry calculation annual logging symposium reservoir fluid composition spwla 66th reservoir fluid database temperature range smg data spwla-2025-0036 application...
Proceedings Papers

Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0044
... rock mineral sedimentary geology depositional environment sedimentology well logging annual logging symposium reservoir deep water marine environment clastic rock core analysis rock type log analysis spwla-2025-0044 archie water saturation salinity spwla 66th calculation advanced...
Proceedings Papers

Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0052
... determine the cement density in the target formation, the gradient descent method is applied for inversion, with a regularization approach incorporated to enhance algorithm stability. This integrated method facilitates precise calculations of cement density parameters, thereby supporting a more accurate...
Proceedings Papers

Paper presented at the SPWLA 66th Annual Logging Symposium, May 17–21, 2025
Paper Number: SPWLA-2025-0081
... geology baseline structural geology geochemistry geological subdiscipline spwla-2025-0081 aker bp hydrocarbon prediction workflow north sea shale geochemical measurement toc interpretation calculation SPWLA 66th Annual Logging Symposium, May 17-21, 2025 DOI: 10.30632/SPWLA-2025-0081...
Proceedings Papers

Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0115
... as the error in wall thickness calculation. It is shown that the maximum absolute error for the five-casing model does not exceed 1.4 mm with a total wall thickness of 43 mm. The electromagnetic flaw detection technology by transient method has been used to test multi-string wells in the Middle East...
Proceedings Papers

Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0139
..., which is essential for calculating reservoir oil saturation. Therefore, accurate measurement of formation water salinity provides vital information for determining reservoir parameters, understanding the origin of formation water salinity, assessing oil and gas preservation conditions, and predicting...
Proceedings Papers

Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0082
... drilling fluids and materials well logging drilling fluid chemistry barite mudcake zhang monte carlo simulation spwla-2024-0082 accuracy calculation spwla 65 long-spaced detector mudcake thickness nuclear science thickness scenario technique SPWLA 65th Annual Logging Symposium, May 18-22...
Proceedings Papers

Paper presented at the SPWLA 64th Annual Logging Symposium, June 10–14, 2023
Paper Number: SPWLA-2023-0052
... basis of the FS model was seen to be challenged by the core data established for calibration. The core T 2 and PTR distribution data acquired for calibrating the calculation of PTR and k k , was observed to deviate from the general and expected simple chalk behavior. Despite these complications...
Proceedings Papers

Paper presented at the SPWLA 64th Annual Logging Symposium, June 10–14, 2023
Paper Number: SPWLA-2023-0067
... sensitive to anisotropy, e.g., triaxial induction, are also added to the proposed workflow to mitigate nuclear-log acquisition noise. Estimation results are used to calculate storage and flow properties based on appropriate petrophysical models. The general inversion-based T-S estimation method overcomes...
Proceedings Papers

Paper presented at the SPWLA 62nd Annual Logging Symposium, May 17–20, 2021
Paper Number: SPWLA-2021-0032
... spectrum of core oil saturation in the range of +/- 3 to 10% saturation unit. Consequently, we developed two unique salinity variance models to capture the water salinity effect and minimize the uncertainty in the calculation of core saturation. The first model uses a material balance to solve...
Proceedings Papers

Paper presented at the SPWLA 62nd Annual Logging Symposium, May 17–20, 2021
Paper Number: SPWLA-2021-0118
... on the water saturation ( S w ) calculations and the Stock Tank Oil Initially In Place (STOIIP) in the Tambaredjo (TAM) oil field was analyzed. Core data were employed to obtain the relationship between n and heterogeneity using cross-plots against several heterogeneity indices, reservoir properties...
Proceedings Papers

Paper presented at the SPWLA 62nd Annual Logging Symposium, May 17–20, 2021
Paper Number: SPWLA-2021-0014
.... Traditionally, mud-loggers determine the depth origin of the sampled cuttings by calculating the lag time required for the cuttings to travel from the bit to the surface. These calculations, however, can contain inaccuracies in the depth correlation due to the shuffling and settling of cuttings as they travel...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5006
... or ignored the differences. Now we have a solution to reconcile both measurements. The maximum lost fluids are equivalent to the hydrocarbon-filled portion of the free porosity measured by a nuclear magnetic resonance log (NMR). The method for calculating the log-derived surface saturation, Sw_surface...

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