... a decade ago eliminating the need of radioactive source and the challenges associated with its handling, transportation, storage, and abandonment. The current sNGD algorithm has limitations in high-density formations, shales, over-gauge boreholes, and heavy mud system impacting its accuracy. A new...

... shale myer assumption reservoir characterization spwla-2024-0124 shale lamination figure 5 medium model ABSTRACT In thin-bedded shaly sand reservoirs, a Thomas-Stieber model is used to quantify volumes of clean sandstone and associated laminar, dispersed, and structural shales...

... verified against interpretations acquired from multiple extensive whole core analysis programs. porosity depending on whether the porosity of the clay lamination is higher or lower than that of the sand it replaces. Laminar shale (or clay) exists in the reservoir at a length scale larger than...

... endpoint interpretation workflow equation th annual logging symposium spwla-2023-0067 resistivity saturation spwla 64 concentration sandstone calculation shale interpretation engineering ABSTRACT Presence of shale and clay minerals in clastic rocks impacts the estimation...

... the sand it replaces. Equations describing Net/Gross and the massive sand porosity are derived. This extension is important to include particularly if large amounts of pore filling clays are present. The use of a calibrated T-S model requires estimates of both dispersed clay porosity and shale porosity...

... upstream oil & gas germany government artificial intelligence shale sequence diffusion borehole diffusivity mudstone th annual logging symposium shale tortuosity shale-hosted nuclear repository SPWLA 64th Annual Logging Symposium, June 10-14, 2023 DOI: 10.30632/SPWLA-2023-0006...

... logs (PLT) confirm the productivity of these intervals and the validity of the petrophysical model. We also characterize the uncertainties of volume of shale (VSH), porosity, reservoir facies and water saturation (Sw) in TBF. The VSH uncertainty is derived from Monte Carlo simulation, which samples...

... hydrocarbon determination sequential extraction reservoir characterization spwla 64 shale mhz ABSTRACT The complexity of the microstructure and fluids in unconventional reservoirs presents a significant challenge to the traditional approaches to the evaluation of geological formations...

... aker bp th annual logging symposium shale automated vsh quantile machine learning spwla-2023-0123 spwla 64 algorithm gr ss equation lfi radioactivity ABSTRACT The volume fraction of shale ( VSH ) throughout the well is of great importance both for formation evaluation, geomechanics...

... sand sequences are intercalated or draped by shales, fluid movement can be influenced by these lithological changes. Shales can range from thin layers to units several meters thick, thus occurrences can in some cases be identified from seismic data or detected with shallow to ultra-deep logging-while...

... interval hydraulic fracturing wellbore design drillstem/well testing horizontal stress microfrac system stiffness closure pressure wellbore integrity completion installation and operations drillstem testing upstream oil & gas shale sequence injection stiffness rd annual logging...

... shale interpretation likely value spwla-2022-0003 context matrix input parameter pert distribution confidence interval well logging uncertainty analysis workflow uncertainty class normal distribution rd annual logging symposium precision petrophysicist SPWLA 63rd Annual Logging...

...SPWLA 62nd Annual Logging Symposium, May 17-20, 2021 DOI: 10.30632/SPWLA-2021-0043 Integrated Evaluation of Laminated Sand-Shale Gas-Bearing Reservoir Using Tensor Model. A Case Study Combining Data from Triaxial Resistivity, Image, Sonic, And Reservoir Testing in B-Field, Malaysia. Aditya Arie...

... in low-porosity rock. reservoir characterization shale july 29 symposium log analysis fan chart saturation calculation saturation upstream oil & gas dynamic range low porosity reservoir june 24 multi-detector pulsed neutron tool application reservoir sigma-based gas saturation...

... shale histogram june 24 conglomerate classification fine sandstone july 29 symposium resistivity upstream oil & gas zonation sandstone algorithm image feature gamma ray zone boundary lithofacies variogram core data borehole image SPWLA 61st Annual Logging Symposium, June 24...

... ABSTRACT The quantitative interpretation of Sand/Shale thin beds is a well-known problem with a multitude of solutions. However, the Thin Bed Analysis (TBA) is still perceived as overly complicated. The TBA goal is often restricted to the identification of an additional pay in shaly intervals...

... quality uncertainty, a common scenario in unconventional reservoirs. This paper describes the integration of organic shale petrophysics using geochemical spectroscopy and focused magnetic resonance measurements, for the characterization of unconventional reservoirs. Accurate quantification...

... ABSTRACT Oil-rich shale formations have gained a lot of prominence in recent years. A major challenge in modeling and predicting production behavior from liquid rich shale reservoirs is the absence of reliable effective permeability or relative permeability values to the flow of water and oil...

... 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...

... is not mobile. In addition, our method to obtain Rw from the SP is innovative and provides a good variable Rw value to use in the Water Saturation Equation (Ref. 1) for the bitumen sands and shales. The Cation Exchange Capacity (CEC) is obtained by identifying the clay families and their associated CEC...