... lithologies. INTRODUCTION Every petrophysical log responds to some combination of the solid rock matrix and its fluid-filled pores. Knowledge of the matrix properties is usually required for accurate interpretation of fundamental quantities like porosity, saturations, and permeability. The matrix properties...

... et. al bringing the standard mud gas data into a format that matches a standard petrophysical workflow output. The resulting dataset contains a porosity, saturation and permeability index, matched to the most likely fluid types present in the formation. This method serves as an independent source...

... properties, injection conditions and the time for the desired measurements of stabilized average saturation and pressure drop to be obtained. The phases we consider are oil and water but could be any immiscible phases. An injection condition is specified by the total injected volumetric rate Qt...

... Abstract A Staged Differential Effective Medium (SDEM) model based on the Hanai-Bruggeman equation is applied to interpret water saturation in shaly sands. In this model, the conductivity of the formation changes when different volumes of clays, oil, and quartz (inclusions) are successively...

... reservoir simulation calculation knowledge management modeling experiment imbibition upstream oil & gas saturation height modeling spwla 63 height modeling spwla-2022-0058 pfwl imbibition process reservoir characterization drainage adnoc onshore saturation rd annual logging...

... log analysis drillstem testing well logging drilling operation fluid dynamics rudist facies reservoir characterization flow in porous media upstream oil & gas facies porosity spwla 63 saturation development oman hydrocarbon saturation interpretation enhanced recovery...

... and densities of drill cuttings from unconventional source rock reservoirs. The workflow includes sample cleaning, particle size selection, saturation, NMR, and mass measurements. We will also discuss some inherent problems in petrophysical measurement of drill cuttings generated by the PDC drill bit...

... mesh size rd annual logging symposium pyrolysis saturation mhr pyrolysis Abstract A multidisciplinary approach is being used to characterize unconventional reservoir rock, providing high-quality porosity, saturation, and grain density data. Higher-frequency (23 MHz) NMR with 2D T1/T2...

...); and a modified gas saturation estimation from a long detector (SAT-Q). Lab modeling and Monte Carlo simulation using a specific tool configuration and given invasion profiles, have been performed for a three-detector MDPNT with a near, far and long spacing from the source. The simulated media surrounding...

... lateral pressure communication within each reservoir level, reduce the uncertainty of lateral and vertical reservoir distribution and quality, reduce the uncertainty of hydrocarbon saturation and understand the relationship between seismic amplitude anomalies and subsurface properties / fluids...

...SPWLA 62nd Annual Logging Symposium, May 17-20, 2021 DOI: 10.30632/SPWLA-2021-0032 UNCERTAINTY QUANTIFICATION BY MONTE CARLO SIMULATION OF LAB-DERIVED SATURATION DATA FROM SPONGE CORES Mohammed Alghazal and Dimitrios Krinis, Saudi Aramco Copyright 2021, held jointly by the Society...

... of Petrophysicists and Well Log INTRODUCTION Analysts (SPWLA) and the submitting authors. This paper was prepared for the SPWLA 62nd Annual Logging Symposium held The application of a Saturation Height Model (SHM) has online from May 17-20, 2021. as main purpose the water saturation prediction in the 3D geological...

... enhanced recovery spwla 62 experiment brine saturated imbibing decane fluid dynamics brine saturation green trace wettability decane flow in porous media brine nd annual logging symposium saturation wettability analysis red trace upstream oil & gas pore right panel spectra...

... Abstract Formation water saturation is a critical target property for any comprehensive well log analysis program. Most techniques for computing saturation depend heavily on an analyst’s ability to accurately model resistivity measurements for the effects of formation water resistivity...

...SPWLA 62nd Annual Logging Symposium, May 17-20, 2021 DOI: 10.30632/SPWLA-2021-0076 MACRO-PORE HYDROCARBON SATURATION FROM NMR MAPS IN THE UNCONVENTIONAL POINT-PLEASANT FORMATION Xinglin Wang, Philip M. Singer, Zeliang Chen, Yunke Liu, and George J. Hirasaki, Rice University Zheng (Elton) Yang...

... reservoir characterization well logging core analysis enhanced recovery structural geology spwla 62 flow in porous media upstream oil & gas clay content log analysis waterflooding spwla-2021-0097 facies variation residual oil saturation nd annual logging symposium saturation...

... shale reservoirs have always faced the challenges of establishing representative in-situ water and hydrocarbon saturations. When using existing techniques of core calibrated petrophysics, actual well production often varies significantly from expectations. These variations may include scenarios...

...ABSTRACT ABSTRACT The calculation with the Archie equation of water and oil saturations from electrical resistivity logs in water flushed reservoirs has historically been challenging. Previous publications on experiments conducted at the laboratory have demonstrated that, in waterflooded...

... reservoirs with very tight carbonates and organic carbon-rich formations. This paper presents a method to measure the total organic carbon (TOC), which, in this paper, represents the organic carbon in the matrix (kerogen and coal), and to estimate oil saturation in such challenging environment. A suite...

...ABSTRACT ABSTRACT In mature fields, pulsed-neutron logging is commonly used to solve for remaining saturation behind the casing. For years, sigma-based saturation has been used to calculate gas saturation behind casing; however, the high dependency of sigma-to-water salinity of the formation...