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Keywords: pore structure
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Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2019
Paper Number: IPTC-19442-MS
... Abstract The igneous reservoir of Shahejie formation in eastern sag of Liaohe depression is characterized by complex geological environment, variable lithology and high heterogeneity. Reservoir evaluation is difficult only based on conventional logs due to complex lithology and pore structures...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2019
Paper Number: IPTC-19232-MS
... Abstract Most shale oil resources in China are lacustrine deposit. The reservoirs are usually characterized by complex lithology and high heterogeneity with various mineral compositions (quartz, carbonates, feldspars, pyrites and volcanic ash), total organic carbon and pore structure. How to...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, November 14–16, 2016
Paper Number: IPTC-18996-MS
... petrophysical characteristics, complex pore structure, and so on, especially for lacustrine shale oil formation. This paper describes an approach and workflow to characterize the Chang7-3 member shale oil reservoir in the Ordos basin, China by integrating the high tech digital rock physics core analysis data...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, January 19–22, 2014
Paper Number: IPTC-17676-MS
... particular, micro focused X-ray CT (MXCT) scanners with high energy x-ray beam attaining high resolution have been drastically developed in a decade. Meanwhile, the study with respect to multi-phase flow in porous media desires to get more quantitative parameters of the particle shape and pore structure to...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, January 19–22, 2014
Paper Number: IPTC-17688-MS
... pore structures. NMR measurements, although counted among the most reliable methods to measure formation porosity, has been conventionally considered as insensitive to the existence of natural fractures. Thus, the impact of natural micro-fractures on NMR measurement has rarely been investigated. We...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2013
Paper Number: IPTC-16668-MS
... overbalance with water-based mud (WBM) presents several key challenges: severe near-wellbore formation damage, lack of porosity-permeability relationships because of the complex pore structures, large-scale permeability effects from pronounced heterogeneities, and big discrepancies among the permeability...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2013
Paper Number: IPTC-16663-MS
... relationship between pore geometry and the structure. It can be shown that these pore attributes contain only permeability and porosity. A comprehensive analysis was then carried out by plotting pore geometry against pore structure on log-log graphs (PGS cross-plot) and identifying microscopic geological...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, November 15–17, 2011
Paper Number: IPTC-14652-MS
... Abstract Carbonate rocks frequently exhibit velocity-porosity relationships less predictable than those found in siliciclastics because of complex and heterogeneous pore structures. Traditional pore-type classifications describe these pore structures but are inadequate for correlations to the...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, December 7–9, 2009
Paper Number: IPTC-13456-MS
... Abstract The identification and evaluation of reservoirs in WN oilfield is difficult because of complicated lithology and pore structure which are strongly aeolotropic and change vastly both in horizontal and vertical directions. All these lead to little difference in log response between...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, December 3–5, 2008
Paper Number: IPTC-12884-MS
... Abstract Reservoir rocks often present complex pore-structures involving multiple porosity systems with various interconnectivity patterns. These pore-systems, from microporosity to vugs/fissures, drastically affect petrophysical properties. This is particularly true for electrical properties...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, December 3–5, 2008
Paper Number: IPTC-12767-MS
... Abstract The prediction of hydrocarbon recovery is related to both the detailed pore scale structure of core material and fluid interfacial properties. An increased understanding of displacement efficiencies and overall recoveries requires an ability to characterize the pore structure of...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, December 3–5, 2008
Paper Number: IPTC-11863-MS
... pressure curves can be constructed, which could be used to evaluate reservoir pore structure and calculate reservoir originality water saturation in the intervals with NMR log data. At last, the constructed NMR capillary pressure curve by this new method is used in well site to detect the change in...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, November 21–23, 2005
Paper Number: IPTC-10577-ABSTRACT
... ingredients to perform a full field test of the concept - good thickness for multiple seismic reflections, matrix-dominated permeability, single mineralogy (calcite), superb seismic data and enough wells with good compressional and shear sonic logs. Introducing pore structures in the characterisation of...

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