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Sandstone diagenesis: composition and texture

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Proceedings Papers

Paper presented at the SPE Unconventional Reservoirs Conference, February 10–12, 2008
Paper Number: SPE-114164-MS
... of the geological framework, but the rock type criteria are based on pore-scale, microscopic imaging of the current pore structure — as well as the rock texture and composition, clay mineralogy, and diagenesis. Hydraulic — These are rock types that are also defined at the pore scale, but in this case we define...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Regional/Low-Permeability Reservoirs Symposium and Exhibition, March 12–15, 2000
Paper Number: SPE-60305-MS
... that will not negate the generalisation capabilities of a Back propagation-Neural-Network. One of the main factors affecting the natural variability that exists in these relationships and causes reduction in porosity and permeability is diagenesis. The others include compositional and textural factors (Rider, 1990...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5653-MS
... is controlled by several factors such as strength, lithology, texture, effective stress, temperature, fluid type diagenesis, and Total Organic Carbon (TOC). The brittleness index helps quantify some of these factors based on the mineral composition and diagenesis of the rock, without calculating Young's...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2019
Paper Number: IPTC-19069-MS
... Basin. The purposes of this paperare to analyze the texture and composition of the middle-lower Jurassic tight sandstones, investigate diagenesis type and reveal the influence of diagenesis on reservoir quality. cementation porosity Reservoir Characterization pore micro reservoir space...
Proceedings Papers

Paper presented at the SPE Middle East Unconventional Gas Conference and Exhibition, January 31–February 2, 2011
Paper Number: SPE-142713-MS
... spectroscopy and Spectral gamma logging can help correlating the cementation/ clay distribution within wells. Borehole images are quite helpful in capturing the textural variations which govern the differential diagenesis and also the drilling and natural fractures orientation and their association with rock...
Proceedings Papers

Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 25–28, 2016
Paper Number: SPE-182821-MS
... and diagenesis and to develop a more accurate reservoir model. In this study we describe new advanced image analysis that combines both SEM and optical microscopy. Results are used to study rock texture and predict rock fracture behavior. Methods, Procedures, Processes Carbonate and sandstone rock samples...
Proceedings Papers

Paper presented at the 2008 SEG Annual Meeting, November 9–14, 2008
Paper Number: SEG-2008-1685
..., 108 122. Fabricius, I. L., 2003, How burial diagenesis of chalk sediments controls sonic velocity and porosity: AAPG Bulletin, 87, 1755 1778. Fabricius, I. L., B. Røgen, and L. Gommesen, 2007, How depositional texture and diagenesis control petrophysical and elastic properties of samples from five...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2019
Paper Number: IPTC-19477-MS
...- and 4000m, and display similar composition and textures. The samples can provide insights into the evolution of reservoir diagenetic features under progressive burial process. We also analyzed sandstone samples frome EnPing Group. In general, the petrological composition was the main controlling factor...
Proceedings Papers

Paper presented at the 2005 SEG Annual Meeting, November 6–11, 2005
Paper Number: SEG-2005-0444
.... In spite of the high scatter observed in the cross-plots, due to factors such as composition, clay content, diagenesis and texture of the rock, two main rock physics trends are recognized. Thus, the lower stratigraphic unit, which is composed of poorly sorted dirty sandstones deposited in a fluvial...
Proceedings Papers

Paper presented at the SPE Annual Caspian Technical Conference and Exhibition, November 1–3, 2017
Paper Number: SPE-189018-MS
...- bearing calcite-cement precipitation during burial diagenesis has taken place and caused reduction in porosity and permeability. These calcite cements were precipitated in channelized sandstone deposition system and most of them are localized in tabular concretions which generally follow the bedding...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, December 10–12, 2014
Paper Number: IPTC-18038-MS
..., mineralogical and textural data is limited especially for the deeper Cycle I sandstones. The analytical datasets have been standardized and plotted to make meaningful interpretations and comparisons. For understanding the sandstone compositions, the modal data obtained from petrographic examination was plotted...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 3, 2001
Paper Number: SPE-71351-MS
..., texture, composition, clay type and mineralogy. Quantification of these components is important since they affect not only the rock storage and flow properties but also the type and extent of diagenesis. Diagenesis, which is defined as any physical or chemical process causing changes in the initial rock...
Proceedings Papers

Paper presented at the 2001 SEG Annual Meeting, September 9–14, 2001
Paper Number: SEG-2001-1760
... and preserves high porosities after mechanical composition and a low stage of textural maturity will exhibit a high velocity, in comparison with mature or supermature sediments. In other words, if the rock framework is mechanically stable, well- sorted clastic rocks with a simple diagenesis will exhibit better...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 16–19, 1984
Paper Number: SPE-13132-MS
.... Recent literature on sandstone and carbonate diagenesis emphasizes the role of naturally occurring co2 in leaching processes. This study may also be relevant to assessing the role of such processes. DATA BASE AND METHODS This report is based on data obtained from the examination of: (1) 735 feet (224 m...
Proceedings Papers

Paper presented at the International Petroleum Exhibition and Technical Symposium, March 17–24, 1982
Paper Number: SPE-10560-MS
...International Meeting on Petroleum Engineering Paper Presented by Chinese Party SPE 10560 Effects of Diagenesis on Pore Texture and Petrophysical Properties of Sandstone Reservoir and Its Geological Significance by Zhu Guohua, Exploration and Development Research Institute of Changqing Oil Field...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–28, 2016
Paper Number: SPE-181650-MS
... pairs of sandstone-siltstone reservoirs and bounding mudrock facies. The observed variation in the composition of reservoirs is an indication of a slight difference in provenance between the two river systems; however, the different is texture is an indication of length of sediment transport...
Journal Articles
SPE Res Eng 12 (01): 23–30.
Paper Number: SPE-28575-PA
Published: 01 February 1997
... interaction of deposition and diagenesis together with burial history have caused porosity, permeability, net pay and water saturation to be highly variable areally and vertically. Introduction The major reservoir of the Prudhoe Bay field, Alaska is composed of sandstone and conglomerate of the Perm-Triassic...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-2562-MS
... variability of lithology (Drummond, 2018; Hickman, 2018; Miller, 2018); understanding of the regional distribution of fluid composition and properties (Welker et al., 2016); regional diagenesis of Mississippian strata of the southern Midcontinent (Dehcheshmehi, 2016); and modeling the spatial distribution...
Proceedings Papers

Paper presented at the SPWLA 54th Annual Logging Symposium, June 22–26, 2013
Paper Number: SPWLA-2013-J
... and forms the basis of a statistical analysis to map the chlorite distribution on the log-scale. As a result, using these sandstone-specific relationships over the intervals indicated to be chlorite-rich sandstones and chlorite-poor sandstones (from the statistical analysis) a composite saturation profile...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 24–26, 2017
Paper Number: URTEC-2697615-MS
... Oil & Gas information facies petroleum province diagenesis trace element variation fracture chemostratigraphy Ratcliffe structural geology concentration composition carbonate sediment Anadarko Basin thermal pulse permeability accumulation Wellsite Chemostratigraphy URTeC...

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