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Advanced Search Results For "stratigraphy"

1 - 10 of 5,571 results for
 "stratigraphy"
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Application of Facies Controlled Prestack Inversion Technology in Prediction of Deep Tight Gas in Continental Faulted Basin.

Publication Type:Academic Journal

Source(s):Geofluids. 9/25/2022, p1-10. 10p. 1 Diagram, 1 Graph, 7 Maps.

Abstract:It is difficult to predict tight sandstone gas in continental rift basin because of complex deep structure, fast transformation of sedimentary facies, large lateral variation of reservoir thickness, and tight and strong heterogeneity. Based on the petr...

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Sequence Stratigraphy Variation and Its Implication in Shale Oil Exploration: A Case Study of the Eocene Dongying Depression, Eastern China.

Publication Type:Academic Journal

Source(s):Geofluids. 5/11/2022, p1-8. 8p. 2 Color Photographs, 1 Chart, 4 Graphs, 1 Map.

Abstract:Organic matter (OM) and carbonate are the important organic and inorganic components, respectively, in the shales of the upper fourth member of the Eocene Shahejie Formation, Dongying Depression, Eastern China. Their enrichment affects the hydrocarbon ...

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Multiple Influences of Paleogeography, Sequence Stratigraphy, and Fold Structure on Coalbed Methane Accumulation in the Lopingian (Late Permian) of Junlian Coalfield, SW China.

Publication Type:Academic Journal

Source(s):Geofluids. 10/14/2021, p1-17. 17p. 1 Color Photograph, 1 Diagram, 3 Charts, 1 Graph, 8 Maps.

Abstract:Junlian coalfield is one of the main targets for coalbed methane (CBM) exploration and development in the southwest China. Based on field geological survey, core observation, gas content statistics, coal maceral composition, vitrinite reflectance ( R O...

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Research and Application of Globally Optimized Sequence Stratigraphic Seismic Interpretation Technology: Taking the Lower Cretaceous Shahezi Formation of Xujiaweizi Fault Depression as an Example.

Publication Type:Academic Journal

Source(s):Geofluids. 9/15/2021, p1-9. 9p. 7 Color Photographs, 1 Black and White Photograph, 3 Diagrams.

Abstract:In the study of sequence stratigraphy in continental rift basins, the use of seismic data to track different levels of sequence stratigraphic boundaries laterally is the key to the division of sequence stratigraphic units at all levels and the establis...

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Seismic Volumetric Dip Estimation via Multichannel Deep Learning Model.

Publication Type:Academic Journal

Source(s):IEEE Transactions on Geoscience & Remote Sensing. Jul2022, Vol. 60, p1-14. 14p.

Abstract:Although there are plenty of approaches proposed for addressing seismic volumetric dip estimation, it still suffers from several limitations, for example, the expensive computation cost, the perturbations from sequence stratigraphic anomalies, and the ...

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准噶尔盆地东部芦草沟组层序 地层格架与沉积充填模式.

Publication Type:Academic Journal

Source(s):Petroleum Geology & Recovery Efficiency. 2022, Vol. 29 Issue 4, p12-24. 13p.

Abstract:准噶尔盆地东部克拉美丽山山前凹陷中二叠统平地泉组相当于博格达山山前凹陷的芦草沟组与红雁池组, 芦草沟组与平地泉组均为重要的烃源岩层系,尚未建立芦草沟组与平地泉组的等时地层格架,制约了烃源岩在横 向和纵向上分布范围的落实。通过系统分析井-震、露头及地化等资料,划分了芦草沟组层序地层单元,明确了与 平地泉组的地层对应关系,建立了准噶尔盆地东部芦草沟组沉积充填模式。研究结果表明:博格达山周缘中二叠 统芦草沟组及红雁池组各为一个三级层序,分别对应平地泉组下部的三级层序 1 与上部的三级层序 2。芦草沟组 (...

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The Integration of Wireline Logs and Sedimentological Data to Predict Sequence Stratigraphic Framework in Carbonate Rocks: An Example from Rumaila Formation (Cenomanian), West Qurna Oil Field, Southern Iraq.

Publication Type:Academic Journal

Source(s):Stratigraphy & Geological Correlation. Oct2022, Vol. 30 Issue 5, p360-377. 18p.

Abstract:A combination of wireline log data and sedimentological characterization provides insight into the sequence stratigraphic framework of the carbonate rocks. The Cenomanian Rumaila Formation is considered one of the Cretaceous representative carbonate un...

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The Connection between Lake Ladoga and the Baltic Sea in the Late Holocene: New Paleolimnological Data.

Publication Type:Academic Journal

Source(s):Doklady Earth Sciences. Sep2022, Vol. 506 Issue 1, p693-697. 5p.

Abstract:The paper presents the results of chronological and lithostratigraphic studies of five small lakes located in the northern part of the Karelian Isthmus, where the hypothetical connection between Lake Ladoga and the Baltic Sea existed until the second h...

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Lithofacies Characteristics, Depositional Environment and Sequence Stratigraphic Framework in the Saline Lacustrine Basin-A Case Study of the Eocene Low Member of Xingouzui Formation, Jianghan Basin, China.

Publication Type:Academic Journal

Source(s):Energies (19961073). Sep2022, Vol. 15 Issue 17, p6235. 17p.

Abstract:The Jianghan Basin is a lacustrine basin in central China developing multiple salt bearing deposits in the Eocene with the success of shale oil exploration in the Qianjiang Formation. The lower member of the Xingouzui Formation in the Chentuokou Depres...

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Origin and significance of glauconites in a sequence stratigraphic perspective: Sylhet Formation, Assam and Assam–Arakan Basin, India.

Publication Type:Academic Journal

Source(s):Journal of Earth System Science. Sep2022, Vol. 131 Issue 3, p1-24. 24p.

Abstract:The paper documents occurrence, origin and significance of glauconite-rich intervals at certain specific stratigraphic levels within Early to Middle Eocene Sylhet Formation of Assam and Assam–Arakan Basin. The microfacies with which glauconite is assoc...

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