Please use this identifier to cite or link to this item: http://rportal.lib.ntnu.edu.tw:80/handle/77345300/42499
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dc.contributor國立臺灣師範大學科學教育研究所zh_tw
dc.contributor.authorHoltz, M. H.en_US
dc.contributor.authorYeh, J.en_US
dc.contributor.authorChang, C. Y.en_US
dc.date.accessioned2014-12-02T06:41:56Z-
dc.date.available2014-12-02T06:41:56Z-
dc.date.issued1997-10-17zh_TW
dc.identifierntnulib_tp_C0701_02_003zh_TW
dc.identifier.urihttp://rportal.lib.ntnu.edu.tw/handle/77345300/42499-
dc.description.abstractIncreased accuracy and possible variability of calculated original oil in place can be achieved by combining information acquired from both geologic and engineering reservoir characteristics into a comprehensive model. Three-dimensional (3-D) geocellular computer modeling facilitates this integration. Such an approach allows geologic architecture and engineering fluid-flow trends to be combined in order to delineate the spatial geometry of individual reservoir genetic units. Information from both disciplines can be used to determine the spatial distribution of petrophysical attributes within these genetic units, resulting in increased accuracy in calculating original-oil-in-place (OOIP) volumetrics. In order to determine original and remaining OOIP in South Texas Frio Fluvial reservoirs, 3-D geocellular computer modeling was applied. We found that fourth- and fifth-order flooding surfaces define reservoir architecture by constraining depositional units and delineating the spatial distribution of gross sandstone depositional facies. Depositional facies information was then combined with both conventional and special core analyses to generate porosity, permeability, water saturation, and residual-oil saturation transforms. Fluid-flow trends, including water:oil and gas:oil ratios, were analyzed to determine the connectivity within each fifth-order genetic unit. The 3-D geometry of each genetic unit was modeled as distinct bounding surfaces to constrain petrophysical property interpolation, and various controls on petrophysical interpolation were applied to test their sensitivity. Proportional geocellular layering character resulted in a 20-percent increase in OOIP, as compared with onlapping cells against bounding surfaces. A 6-percent variation in OOIP resulted when we combined onlap with directional interpolation bias as opposed to template weighting.en_US
dc.languageen_USzh_TW
dc.relationGCAGS 47th Annual Meeting(pp.219-220), New Orleans, Louisiana.en_US
dc.title3-D geocellular oil-resource determination in south Texas Frio fluvial-deltaic reservoirsen_US
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