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Keywords: resolution
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Journal Articles
SPE Res Eval & Eng (2023)
Paper Number: SPE-214677-PA
Published: 14 March 2023
... of subsurface media and improve the description and prediction accuracy for hydraulic fractures. The method analyzes MS events to construct the fracture spatial distribution and uses acoustic logging measurements to correct the magnitude of MS events and enhance the resolution. The corrected MS magnitude...
Journal Articles
SPE Res Eval & Eng 24 (04): 827–846.
Paper Number: SPE-205493-PA
Published: 10 November 2021
...-resolution model of the subsurface, including its elastic mechanical properties and pore pressures. A second model is also constructed by scaling up mechanical properties and pressures into a coarse spatial resolution. Inexpensive finite-element solutions for stress are then obtained in the coarse model...
Journal Articles
SPE Res Eval & Eng 24 (03): 462–474.
Paper Number: SPE-196723-PA
Published: 11 August 2021
... the pressure‐driven flow and phase behavior. The results of invasion percolation simulations were used to identify the key stratigraphic units affecting CO 2 migration. The realistic geometries and high resolution of the model facilitate the transfer of results from synthetic to subsurface data. The results...
Journal Articles
SPE Res Eval & Eng 23 (04): 1420–1439.
Paper Number: SPE-201235-PA
Published: 12 November 2020
... in well resolution but fail when interpolating those facies further away from the 1D domain, because of the lack of correlation between FUs and spatial data. Seismic data can be used to detect large‐scale FUs and assist the interpolation of small‐scale FUs in 3D reservoir volume, thus producing more...
Journal Articles
SPE Res Eval & Eng 21 (04): 821–836.
Paper Number: SPE-191369-PA
Published: 15 November 2018
... of nanoscale. A promising method of representatively retaining a large volume of a rock sample while achieving nanoscale resolution is based on multiscale digital rock technology. The smallest scale of this approach is often realized in the form of working with several 3D focused-ion-beam–scanning-electron...
Journal Articles
SPE Res Eval & Eng 18 (03): 432–440.
Paper Number: SPE-174086-PA
Published: 17 July 2015
... (Haldorsen 1996 ), with characteristic length scales commonly smaller than the resolution of wireline logs or even the core-plug size, the robustness of correlations is determined by how plug samples capture the dispersion in rock properties over the lithofacies under consideration. The correlation between...
Journal Articles
SPE Res Eval & Eng 18 (02): 115–132.
Paper Number: SPE-163633-PA
Published: 06 May 2015
... of flow are often not captured in the resulting simulation models. The problem with the use of k -orthogonal (typically pillar) grids of a given spatial resolution is that they often provide a poor representation of geologic heterogeneity ( Fig. 3 ). Even simple and ubiquitous geologic geometries...
Journal Articles
SPE Res Eval & Eng 17 (04): 436–443.
Paper Number: SPE-164417-PA
Published: 10 June 2014
... incorporating information from the aforementioned algorithms. We demonstrate the efficacy of these two algorithms in terms of the resolution and proper demarcation of various geological structures on real seismic data. The application of these algorithms results in better illumination and proper demarcation...
Journal Articles
SPE Res Eval & Eng 16 (04): 353–368.
Paper Number: SPE-152640-PA
Published: 10 October 2013
...A.. Dehghan Khalili; J.-Y.. -Y. Arns; F.. Hussain; Y.. Cinar; W.V.. V. Pinczewski; C.H.. H. Arns Summary High-resolution X-ray-computed-tomography (CT) images are increasingly used to numerically derive petrophysical properties of interest at the pore scale—in particular, effective permeability...
Journal Articles
SPE Res Eval & Eng 16 (04): 390–400.
Paper Number: SPE-167656-PA
Published: 21 August 2013
... characterization in multiple dimensions. Furthermore, the results (pore compressibility and saturation) obtained from the tidal signals are unique because they cannot be obtained in the laboratory, by simulation, or by direct measurement because of the scale affected by tides. The frequency resolution...
Journal Articles
SPE Res Eval & Eng 16 (01): 29–39.
Paper Number: SPE-163139-PA
Published: 19 February 2013
... of Petroleum Engineers pressure transient analysis Upstream Oil & Gas inflection point intersection Artificial Intelligence drillstem/well testing pressure transient testing pressure change interference test Drillstem Testing resolution observation well gauge resolution SPE Reservoir...
Journal Articles
SPE Res Eval & Eng 15 (05): 584–595.
Paper Number: SPE-163071-PA
Published: 19 October 2012
.... Historically, the thin-bed problem in petrophysics has been addressed through either forward modeling or the enhanced resolution of standard well logs ( Lofts and Page 2002 ; Passey et al. 2006 ). These approaches presuppose that the thin beds have been recognized. In many cases, they are not seen...
Journal Articles
SPE Res Eval & Eng 15 (04): 462–472.
Paper Number: SPE-146654-PA
Published: 18 June 2012
..., not only on low-resolution density images but also on higher-resolution density images. The new algorithm has been proved by bringing considerable improvement to the image quality without any artificial interruptions. The rugosity effect is reduced significantly, and the apparent resolution of bed-boundary...
Journal Articles
SPE Res Eval & Eng 15 (01): 25–30.
Paper Number: SPE-132491-PA
Published: 08 February 2012
... hydrocarbon recovery and CO 2 sequestration becoming more prominent in the oil and gas industry, the ability to monitor the efficiency of these strategies is paramount. In this paper, two case studies of crosswell seismic surveying are discussed, with the focus on high-resolution imaging and monitoring during...
Journal Articles
SPE Res Eval & Eng 14 (02): 225–238.
Paper Number: SPE-124827-PA
Published: 08 December 2010
... of the pressure kernel in the pressure-deconvolution problem. When the appropriate regularization parameters are chosen, the Bayesian methods can be used to suppress fluctuations and noise in measurements while maintaining sufficient resolution of the estimates. This is the point of the application of the method...
Journal Articles
SPE Res Eval & Eng 11 (06): 958–967.
Paper Number: SPE-120887-PA
Published: 29 December 2008
... resolution between wells and also aligned the grid with the well paths, thereby avoiding grid nonorthogonality issues. The efficiency of the PEBI model was also demonstrated by the comparison of CPU performances. Run times for the full-field PEBI model were equivalent to that of a conventional Cartesian...
Journal Articles
SPE Res Eval & Eng 10 (05): 446–452.
Paper Number: SPE-97808-PA
Published: 19 October 2007
... sufficient resolution of reservoir lithologies to determine unequivocally if geology was the major contributor to the lack of steam-chamber development at the toe of the A3 well pair. It was clear that another technique with higher resolution had to be found. This incised valley was infilled...
Journal Articles
SPE Res Eval & Eng 10 (03): 285–293.
Paper Number: SPE-99558-PA
Published: 19 June 2007
...Liviu Tomutsa; Dmitriy Silin; Velimir Radmilovic Summary For many rocks of high economic interest such as chalk, diatomite, shale, tight gas sands, or coal, a submicron-scale resolution is needed to resolve the 3D pore structure, which controls the flow and trapping of fluids in the rocks...
Journal Articles
SPE Res Eval & Eng 9 (04): 317–334.
Paper Number: SPE-95759-PA
Published: 19 August 2006
... model is shown to provide an excellent approximation to high-resolution calculations performed in the original model. The optimal layer coarsening is related to the analyses of Li and Beckner (2000) , Li et al. (1995) , and Testerman (1962) . It differs by using a more accurate measure of reservoir...
Journal Articles
SPE Res Eval & Eng 8 (01): 53–69.
Paper Number: SPE-87820-PA
Published: 15 February 2005
... of property distributions at various resolutions at the same time. Using wavelets, information from different sources such as production history and seismic surveys (that would be at different resolutions) can be incorporated directly at the appropriate resolution level. In the first step, we fix the wavelet...

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