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Keywords: pore type
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Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583873
... model to investigate the effect of diagenetic and depositional processes and to predict the pore types. The results indicate that the reservoir characteristics are mostly facies dependent, and the classified facies based on rock fabric can be related directly to the reservoir properties. The high...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3428468
... quantitative estimates of total porosity and its size fractionation using digital rock workflows. The porosity fractions were categorized into three sizes: micro, meso and macro pore types based on the modified classification system in carbonates from Lonoy (2006). This porosity partitioning allows us...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216500
... ABSTRACT Accurate identification of the spatial distribution of various pore types in carbonate reservoirs by seismic inversion is challenging due to the diverse pore structures resulting from deposition and diagenetic modification and low-resolution of seismic data. We use a bulk-frame...
Proceedings Papers

Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17743468
..., Barremian-Aptian, SE France) : Sedimentary Geology , 308 , 1 – 17 , 10.1016/j.sedgeo.2014.04.008 . Hairabian , A. , F. Fournier , J. Borgomano , and S. Nardon , 2014 , Depositional facies, pore types and elastic properties of deep-water gravity flow carbonates...
Proceedings Papers

Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17658095
...) is derived which have distinguished behaviors of acoustic velocity, porosity and permeability. Presentation Date: Monday, September 25, 2017 Start Time: 3:05 PM Location: Exhibit Hall C/D Presentation Type: POSTER facies total cstjf france pore type enlarged microporosity microporosity...
Proceedings Papers

Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13868159
... early HST (PI <1000 km/s*g./cc) while micro-intercrystalline pores from micritic dolomite dominate during late HST. Presentation Date: Wednesday, October 19, 2016 Start Time: 1:55:00 PM Location: 140 Presentation Type: ORAL shoal pore type impedance acoustic impedance interpretation...
Proceedings Papers

Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13532502
.... Presentation Date: Wednesday, October 19, 2016 Start Time: 8:25:00 AM Location: 167 Presentation Type: ORAL resistivity upstream oil & gas reservoir characterization modeling carbonate well logging vuggy porosity pore type model parameter porosity unit lithology exponent seg seg...
Proceedings Papers

Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5882184
... Summary The compressional and shear velocities of carbonate rocks are affected by many factors such as mineral composition, fluid content, porosity and pore type, as well as temperature and pressure. Among these factors, carbonate pore structure plays a significant role in determining...
Proceedings Papers

Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5897423
... with dominant pore type and textural classification to distinguish samples with distinct porosity-permeability relations. RRT-4 samples are recognized by their grain-dominated texture along with high porosity (>20 %) and high permeability (>10 mD) values and have high 1/ Q values. RRT-1 and RRT-2 samples...
Proceedings Papers

Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5890025
... Summary Compared with conventional reservoirs, complex reservoirs often have more variety of pore types and more complex pore shape. For example, carbonate rocks can have a variety of pore types, such as moldic, vuggy, interparticle, intraparticle and crack. Therefore the essential of rock...
Proceedings Papers

Paper presented at the 2014 SEG Annual Meeting, October 26–31, 2014
Paper Number: SEG-2014-1546
... previously which are usually ignored. Aimed at multiple pore types developed in Jiannan area, this paper proposes a dual rock physics model with complicated pore types for organic-rich shale. Pore space is divided into two parts – matrix porosity and kerogen porosity. Kerogen pore space is full filled...
Proceedings Papers

Paper presented at the 2014 SEG Annual Meeting, October 26–31, 2014
Paper Number: SEG-2014-0906
... Summary The volume information of different pore types in carbonate reservoirs ara important for geological research and reservoir engineering like development plan and reconstruction measures. In this article, Xu-Payne (2009) model is used to build a rock physics relationship between...
Proceedings Papers

Paper presented at the 2013 SEG Annual Meeting, September 22–27, 2013
Paper Number: SEG-2013-0773
... in carbonate reservoirs. To estimate S-wave velocity, pores of carbonate rocks are divided into four types considering pore shape and connectivity: vugs, interparticle pores, cracks and clay pores, the aspect ratio and porosity of each pore type are calculated by modifying the method proposed by Kumer and Han...
Proceedings Papers

Paper presented at the 2013 SEG Annual Meeting, September 22–27, 2013
Paper Number: SEG-2013-1445
.... Detailed petrophysical analysis of over 8 wells reveals that "m" is a good indicator of pore structure. From log analysis, we find that the dominant pore type is dominated by micropores, where 1<m<1.9; the dominant pore types are intercrystalline and intergranular where 1.9<m<2.1; and the major...
Proceedings Papers

Paper presented at the 2012 SEG Annual Meeting, November 4–9, 2012
Paper Number: SEG-2012-0771
.... While the brittleness index defined by Young’s modulus is not consistent with the definition in terms of (?+2µ)/? and Poisson’s ratio, Young’s modulus is a good indicator for the variation of crack density. Results of pore-type inversion show that the variation of pore types coincides with inverted...
Proceedings Papers

Paper presented at the 2012 SEG Annual Meeting, November 4–9, 2012
Paper Number: SEG-2012-1137
... element method (FEM). To further extend predicting capability, a family of 3D model granular porous media with different porosity, pore (grain) aspect ratio, pore (grain) size distribution, pore connectivity and spatial arrangement are built to represent different carbonate petrophysical pore types...
Proceedings Papers

Paper presented at the 2011 SEG Annual Meeting, September 18–23, 2011
Paper Number: SEG-2011-2266
... and characterization of this type of reservoir. Therefore the determination of carbonate secondary pore structure (mainly pore shapes) is quite important. In this paper, the DEM-Gassmann velocity prediction model proposed by us formerly is inversely employed to invert the carbonate secondary pore types...
Proceedings Papers

Paper presented at the 2010 SEG Annual Meeting, October 17–22, 2010
Paper Number: SEG-2010-2654
... within a rock is the key to the successful application of this method. INTRODUCTION The carbonate reservoir discussed in this paper contains a wide variety of pore types. The challenge in predicting permeability in such a reservoir is to construct a model that effectively describes these pore types...
Proceedings Papers

Paper presented at the 2008 SEG Annual Meeting, November 9–14, 2008
Paper Number: SEG-2008-1660
... and pressure changes because of high stiffness of the rock frame. These findings imply that one has to be cautious in relating rock-physics model parameters to volumetric dominant pore types. Introduction Three main factors influence directly the elastic moduli of the rock: rock framework, pore fluid...
Proceedings Papers

Paper presented at the 2008 SEG Annual Meeting, November 9–14, 2008
Paper Number: SEG-2008-1734
... of the subsurface than empirical models. Introduction Our primary goal when inverting geophysical observations is to accurately and precisely predict engineering and geologic properties. These properties include porosity, lithology (often indicated by Vshale), water saturation, permeability, pore type...

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