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Keywords: heterogeneity
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Proceedings Papers

Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0095
... Abstract Identifying depositional facies and diagenetic modifications from BHI logs in sections without core is challenging due to heterogeneities in fabric of the carbonaceous rock, which are below the resolution of the BHI logs in these complex reservoirs. This is mainly due to different...
Proceedings Papers

Paper presented at the SPWLA 62nd Annual Logging Symposium, May 17–20, 2021
Paper Number: SPWLA-2021-0063
... level position as well as different rock quality are looked at. Various degrees of heterogeneity are studied by using synthetic data, the saturation prediction accuracy based on upscaled input rock properties (like arithmetic/geometric and harmonic upscaled permeability) is investigated. For homogeneous...
Proceedings Papers

Paper presented at the SPWLA 60th Annual Logging Symposium, June 15–19, 2019
Paper Number: SPWLA-2019-F
...SPWLA 60th Annual Logging Symposium, June 17-19, 2019 DOI: 10.30632/T60ALS-2019_F 1 Heterogeneity in the Petrophysical Properties of Carbonate Reservoirs in Tal Block Umer Farooq, Jawwad Ahmed, Saqib Ali, Farrukh Siddiqi, Syed Asad Ali Kazmi and Kashif Mushir | MOL Pakistan| MOL Pakistan| MOL...
Proceedings Papers

Paper presented at the SPWLA 60th Annual Logging Symposium, June 15–19, 2019
Paper Number: SPWLA-2019-QQQQ
... from method of imaging, availability of calibration libraries, transition space error, and its quantification. In this paper, we look at a number of CT and micro CT images from carbonate formations - exhibiting range of heterogeneity - to understand the detectability of pore volume, the transition...
Proceedings Papers

Paper presented at the SPWLA 60th Annual Logging Symposium, June 15–19, 2019
Paper Number: SPWLA-2019-GGGGG
... are their natural heterogeneities. The heterogeneities can be looked at through different aspects either geochemical/mineralogical or petrophysical. Because it is quite easy to find very pure limestone (more than 0.99 V/V calcite), the first order GGGGG SPWLA 60th Annual Logging Symposium, June 15-19, 2019 3...
Proceedings Papers

Paper presented at the SPWLA 59th Annual Logging Symposium, June 2–6, 2018
Paper Number: SPWLA-2018-AA
...SPWLA 59th Annual Logging Symposium, June 2-6, 2018 1 ADVANCED FRACTAL MODELLING OF HETEROGENEOUS AND ANISOTROPIC RESERVOIRS Paul W.J. Glover, Piroska Lorinczi, Saud Al-Zainaldin, Hassan Al-Ramadan, George Daniel, Saddam Sinan School of Earth and Environment, University of Leeds, Leeds, LS2 9JT, UK...
Proceedings Papers

Paper presented at the SPWLA 59th Annual Logging Symposium, June 2–6, 2018
Paper Number: SPWLA-2018-WW
..., reservoir heterogeneity and structural features. The significance of the improved workflow was demonstrated in a CO 2 EOR scoping study for an oilfield in Asia. The improved CO 2 EOR scoping workflow integrates the disciplines of geology, petrophysics, reservoir engineering, economics and surface facility...
Proceedings Papers

Paper presented at the SPWLA 55th Annual Logging Symposium, May 18–22, 2014
Paper Number: SPWLA-2014-GGG
... Artificial Intelligence vug multiplier production data log analysis Upstream Oil & Gas Simulation porosity Rumaila flow in porous media heterogeneity reservoir pressure plug well logging Fluid Dynamics facies sequence stratigraphy log permeability saturation inflow profile...
Proceedings Papers

Paper presented at the SPWLA 55th Annual Logging Symposium, May 18–22, 2014
Paper Number: SPWLA-2014-VVVV
... Abstract Most carbonate reservoirs are commonly characterized by multiple-porosity systems that impart petrophysical heterogeneity to the gross of reservoir interval. This heterogeneity complicates the task of reservoir description and thus necessitates the establishment of accurate...
Proceedings Papers

Paper presented at the SPWLA 55th Annual Logging Symposium, May 18–22, 2014
Paper Number: SPWLA-2014-WW
... insight on the scales and distribution of heterogeneities along the core samples, thereby offering new perspectives for routine and special core analysis. In the paper we first show (i) how the mismatch between the resolution scale of plug and well log measurements added to the discrete nature of plugging...
Proceedings Papers

Paper presented at the SPWLA 55th Annual Logging Symposium, May 18–22, 2014
Paper Number: SPWLA-2014-G
... Abstract Textural and compositional heterogeneities present in the pre-salt carbonates in Campos Basin required deployment of a variety of modern technologies, techniques and approaches with respect to the petrophysical evaluation of cores as well as e-logs acquired from the newly drilled...
Proceedings Papers

Paper presented at the SPWLA 55th Annual Logging Symposium, May 18–22, 2014
Paper Number: SPWLA-2014-ZZZ
... & Gas heterogeneity spwla 55 Schlumberger lobe SPWLA 55 th Annual Logging Symposium, May 18-22, 2014 1 CAPITALIZING ON DEEP DIRECTIONAL RESISTIVITY MEASUREMENTS IN REAL TIME Ismail Taha, Abdullah Al-Dhafeeri, Nasser Al-Khaldi, Al-Khafji Joint Operations; Rajeev Samaroo, Waleed Jawad, Wael Al...
Proceedings Papers

Paper presented at the SPWLA 54th Annual Logging Symposium, June 22–26, 2013
Paper Number: SPWLA-2013-E
... production control log analysis Reservoir Surveillance borehole imaging Upstream Oil & Gas production monitoring Artificial Intelligence porosity porosity computation conductive feature heterogeneity workflow Symposium conductive heterogeneity mosaic piece heterogeneity image...
Proceedings Papers

Paper presented at the SPWLA 54th Annual Logging Symposium, June 22–26, 2013
Paper Number: SPWLA-2013-Q
... Abstract Carbonate reservoirs can be challenging due to intrinsic heterogeneities that occur at all scales of observation and measurement. This heterogeneity can be attributed to a number of factors including, but not limited to, variable lithology, sedimentary facies, mineralogy, and pore...
Proceedings Papers

Paper presented at the SPWLA 54th Annual Logging Symposium, June 22–26, 2013
Paper Number: SPWLA-2013-F
... engineering techniques are described that can be used with RCA to quantify heterogeneity and reality check waterflood forecasts from numerical simulation. Two field case studies illustrate how overcoming reluctance and peer pressure to go back and review the raw data, can resolve many of the problems...
Proceedings Papers

Paper presented at the SPWLA 53rd Annual Logging Symposium, June 16–20, 2012
Paper Number: SPWLA-2012-195
... was prepared for presentation at the SPWLA 53rd Annual Logging Symposium held in Cartagena, Colombia, June 16-20, 2012. ABSTRACT Digital rock models can be used to perform multiscale simulations in heterogeneous rocks. Models range in size from pore (nm to micron) to borehole (mm to m) to interwell (10 s...
Proceedings Papers

Paper presented at the SPWLA 53rd Annual Logging Symposium, June 16–20, 2012
Paper Number: SPWLA-2012-236
... ABSTRACT: Unconventional tight shale reservoir systems are heterogeneous at all scales. This results from multiple sequences of deposition and accumulation of sediments in time, followed by locally varying and extensive post-depositional transformations. It has been said that the textural...
Proceedings Papers

Paper presented at the SPWLA 51st Annual Logging Symposium, June 19–23, 2010
Paper Number: SPWLA-2010-52530
... and mineralogical contents of the formation. The latter defines the volumetric proportions of the rock that contribute to fluid storage and matricial flow, by opposition to the non reservoir fraction (shaly heterogeneity in clastic setting). Reservoir behavior can be easily documented in the ideal case where bed...
Proceedings Papers

Paper presented at the SPWLA 51st Annual Logging Symposium, June 19–23, 2010
Paper Number: SPWLA-2010-92910
... ABSTRACT: In comparison to sandstone reservoirs, carbonate exploration is commonly more challenging because of intrinsic heterogeneities, occurring at all scales of observation and measurement. Heterogeneity in carbonates can be attributed to variable lithology, chemistry/mineralogy, pore...
Proceedings Papers

Paper presented at the SPWLA 50th Annual Logging Symposium, June 21–24, 2009
Paper Number: SPWLA-2009-64051
... The search for a practical methodology that provides a realistic estimation of reservoir rock permeability that correctly representing their heterogeneities is one of the most challenging tasks of the oil industry. Presently there are several methods and tools that measure the permeability with dimensions...

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