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Estimating permeability based on grain size

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Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 2–4, 2016
Paper Number: SPE-184236-MS
... and grain-size distribution of sandy sediments are used by researchers to estimate the permeability of well core. These equations however, are based on empirical studies, and the results are not necessarily transferable from one location to another (D. M. Detmer, 1995). It is therefore important...
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<b>Estimated</b> <b>permeability</b> from Eq. 38 <b>based</b> on <b>grain</b> <b>size</b> distribution data fo...
Published: 30 October 2011
Fig. 7 Estimated permeability from Eq. 38 based on grain size distribution data for the D sand unit in Mt. Elbert well. Grain size variation versus depth is shown in Fig. 2a . More
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3581975
... investigated the effect of grain size will improve the accuracy of permeability estimation of distribution on the permeability of porous media using reservoir rocks and the accuracy of reservoir simulation. numerical experiments. The distribution of grain size of reservoir rocks can be well-illustrated...
Proceedings Papers

Paper presented at the SPWLA 62nd Annual Logging Symposium, May 17–20, 2021
Paper Number: SPWLA-2021-0061
... the standard practice characterise the distribution of permeability in highly (systematic plugging every foot) fails to provide a laminated formations. Alternatively, a continuous correct estimate. profile of permeability index based on high resolution grain size measurements offers a fast and cost- The case...
Proceedings Papers

Paper presented at the SPWLA 57th Annual Logging Symposium, June 25–29, 2016
Paper Number: SPWLA-2016-C
... function is introduced where the function's free parameters are used to establish correlations between permeability and irreducible water saturation. In cases where grain-size data are available, we show how to estimate irreducible water saturation based on the surface-to-volume ratio of the rock. Results...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3594953
... to estimate carbonate pore Introduction structure variation from acoustic and seismic velocities quantitatively (e.g., Sun, 2000, 2004; Dou et al., 2011; Grain size is one of the most important parameters Huang et al., 2017). In this model, the elastic parameter controlling permeability, active fluid flow...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-165
... at about 1 m. Assuming the mean grain size of the waterflooded reservoirs is about 160 m with a small amount of clay size particles (about 2-3%) of about 5%. Figure 5 summarizes the estimated porosity and permeability of a binary mixture based on Eqn. (7) and (9) with the mean grain size of the reservoir...
Proceedings Papers

Paper presented at the ISRM International Symposium - 8th Asian Rock Mechanics Symposium, October 14–16, 2014
Paper Number: ISRM-ARMS8-2014-257
... equation for calculating permeability with porosity and grain size of the rock which are estimated from seismic velocity, resistivity and density data?based on rock physics models. The method is applied to S-wave velocity and resistivity data measured for sandstone core samples in the laboratory, and to S...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 2010
Paper Number: OTC-20577-MS
... (Kleinberg, 2003a, 2003b). Pore-size distributions are calculated by the relaxation time, and the permeability can be estimated using the Schlumberger-Doll Research (SDR) and Timur-Coates models, based on the Kozeny-Carman approximation (Kleinberg, 2003a, 2003b, 2005). This method can be used at high...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 23–April 1, 2021
Paper Number: IPTC-21386-MS
... Reservoir of J20, J25, and J30, Malay Basin. Porosity permeability values from routine core analysis were plotted accordingly in four different sets which are: lithofacies based, stratigraphic members based, quartz volume-based, and grain-sized based, to investigate the trend in relating porosity...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 12–14, 2021
Paper Number: SPE-205802-MS
...-optimality of the models ( Tu, 1996 ; Hall and Mars, 1998 ; Oyeneyin, 1987 ; Oyno et al., 1998 ; Salem and Chilingarian, 1999 ; Oluyemi et al., 2006 ). One of the recent successful applications of machine learning to grain size estimation based on one of the latest algorithms while utilizing...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170122-MS
... of the considered summary statistics values. Note that the estimates where obtained based on 20 closest perm values for each value of the summary statistics (using 0.01 discretization). Looking at Fig. 6 one can note that the relationship between mean, D 50, D 90 grain size, sorting and skewness...
Proceedings Papers

Paper presented at the SPWLA 59th Annual Logging Symposium, June 2–6, 2018
Paper Number: SPWLA-2018-NNN
... and processing when modeling permeability from 2D image data. Total porosity from 2D image segmentation agrees to within 2% of laboratory measured porosity. Future work includes developing a model for converting 2D pore body size distributions to 3D equivalents for comparison to NMR based estimates of pore body...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 4–6, 2015
Paper Number: SPE-178413-MS
... to as the effective size (mm). The Krumbein and Monk, 1943 equation, is used to estimate the permeability (in darcies) of a sediment from a grain size analysis. [9] K = 760 ( G m e ) 2 e ( − 1.31 σ ϕ ) where: k intrinsic permeability in darcies...
Proceedings Papers

Paper presented at the The Nineteenth International Offshore and Polar Engineering Conference, July 21–26, 2009
Paper Number: ISOPE-I-09-343
... and these properties, the permeability, grain-size distribution, porosity, pore-size distribution, and surface-to-volume ratio of glass beads and sandy sediments have been measured. A semi-empirical (SE) equation for the permeability of glass beads and sandy sediment has been derived based on the Kozeny-Carman...
Proceedings Papers

Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-16934448
... (2-5 microns) that resolve the 3D pore structure in rocks and enables us to quantify porosity and hydraulic tortuosity. Based in the comparison of six permeability models, the Kozeny-Carman model, which uses porosity, average grain size and hydraulic tortuosity to estimate permeability, proved...
Proceedings Papers

Paper presented at the Offshore Mediterranean Conference and Exhibition, March 25–27, 2015
Paper Number: OMC-2015-385
... Abstract Using data from an ENI-operated field in Italy, a workflow was developed to estimate absolute permeability from NMR-derived grain size distribution (GSD). The principal driver for the work is a lack of consistency and associated lack of confidence in log-based permeability estimation...
Proceedings Papers

Paper presented at the Nigeria Annual International Conference and Exhibition, July 31–August 2, 2006
Paper Number: SPE-105989-MS
... to estimate the standard deviation. The technique also has the functionality of resolving grain size distribution into horizontal and vertical components for sand failure analysis The technique is simple and is dependent on only petrophysical and textural information of porosity, permeability, irreducible...
Proceedings Papers

Paper presented at the SPWLA 51st Annual Logging Symposium, June 19–23, 2010
Paper Number: SPWLA-2010-82643
... the coals and allow coal seams to be broken into units with potentially different permeability character. The methodology is demonstrated through a number of examples that show that within clastics, by incorporating grain size as inferred, the permeability estimate is improved. This provides a means...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 12–15, 2018
Paper Number: SPE-193043-MS
.... Then, V-shale was used as a proxy for grain size and was integrated into a V-shale base porosity-permeability transformation. After modeling the baffles explicitly, it was shown that against the initial belief, the main control on fluid flow was not a patchy baffle distribution. Instead the reservoir...

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