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Showing 1 to 9 of 9 for “"Thinly bedded"”.
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Joint inversion of density and resistivity logs for the improved petrophysical assessment of thinly-bedded clastic rock formations
… clastic hydrocarbon reservoir in the world are thinly bedded. Limited vertical resolution of logging tools, particularly deep resistivity tools, often causes ambiguity in log interpretation across interbedded rock formations. This situation routinely gives rise to inaccurate assessments of …
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Improved petrophysical evaluation of consolidated calcareous turbidite sequences with multi-component induction, NMR, resistivity images, and core measurements
… to improve the petrophysical evaluation of thinly bedded sand-shale sequences that have undergone extensive diagenesis. Formations under analysis consist of carbonate-rich clastic sediments, with pore system heavily reworked by calcite and authigenic clay cementation, giving rise to rocks …
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Stratigraphy of Paleocene and Pleistocene Sediments Exposed Along Lake Sakakawea in Eastern Dunn and Western and Central Mercer Counties, North Dakota
… sediment type in the Sentinel Butte Formation is thinly-bedded silt. Fine sand, clay, and lignite occur in lesser abundance. Lignite, clay, and peat are most commonly bounded by thinly-bedded silt. No lignite beds greater than five feet are present in the study area. The complete section of the …
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The sedimentology of the cambrian clastic sediments of Northwest Scotland
… Member consists of 100-125m of mature, cross-bedded quartzarenites which have been subdivided into three facies associations. The lowest association is a 10m thick series of cross-bedded channel sands interpreted as mesotidal barrier inlet deposits. This association is erosively overlain by …
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The integration of petrologic and isotopic data from the Boulder Conglomerate to determine the age of the Navan orebody, Ireland
… highly immature rock avalanches which are interbedded with hemipelagic limestone. Sulphide mineralisation in the autochthon, the Pale Beds Ore, is truncated by the fault-generated unconformity and is reworked as clasts and matrix into the basal Boulder Conglomerate. Matrix-deficient breccia beds …
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Depositional Facies Analysis of the Cotton Valley Group Sandstones of the Blackburn Field, Northern Louisiana using Well Logs and Cores; Implications for Carbon Sequestration
… are comprised of sequences of quartz wackes, thinly bedded silty mudstones, quartz arenites, and wackestones. Porosity within the CVG Sandstones was mostly secondary in origin caused by fractures, dissolution of cements and fossils (bivalves), and minor primary intergranular pores. The …
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Bivalve associations of the Cannonball Formation (Paleocene, Danian) of North Dakota
… into four lithologic units: lower (primarily thinly-bedded sandstone and mudstone), lower-middle (sandstone), upper-middle (mudstone), and upper (sandstone). The Cannonball is also exposed in southwestern North Dakota where it occurs as two mudstone tongues (upper and lower). </p><p> During …
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Progressive deformation, fluid flow and water-rock interaction in the Mexican Fold-Thrust Belt, Central Mexico
… two large carbonate platforms flanked by more thinly bedded basinal carbonates. Kilometer scale thrusts dominate deformation in the platform carbonates (a more brittle behavior), and mesoscopic buckle folds and associated cleavage dominate deformation in the basinal carbonates (a more ductile …
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Subsurface dolomitization and porosity occlusion within Early to Middle Ordovician strata of the Illinois Basin, USA
… is a fine-grained dolomite interlayered with thinly bedded shales and siltstones. In the southern, deeper portions of the Illinois Basin, the St. Peter directly overlies the Everton . Here, the Everton is a near-shore dolomitized marine deposit containing irregular lenses of quartz sands. …