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Analysis of High-Frequency Sequence Stratigraphy Architecture of Putaohua Oil Layer in Sanzhao Sag of Songliao Basin
Using high-resolution sequence stratigraphy theory and its technology, based on 22 well cores and 4 256 logging data, interface types and characteristics of different grades the base-level cycle in Putaohua oil layer of Sanzhao Sag was systematically analyzed, and Putaohua oil layer is divided into 1 medium-term base level cycle, 4 short-term base level cycles, 8 super-short-term base level cycles, established high-resolution sequence strata framework, and proposed sequence stratigraphy model of middle super-short-term base level cycles meridionally grado-thin and up to vanish with syndepositional structure lifting control in the south of Putaohua oil layer. Sandstone is offlap Pinch-out in the upper of Putaohua oil layer, and Sandstone is onflap Pinch-out in the under of Putaohua oil layer from north to south.
Analysis of High-Frequency Sequence Stratigraphy Architecture of Putaohua Oil Layer in Sanzhao Sag of Songliao Basin
Using high-resolution sequence stratigraphy theory and its technology, based on 22 well cores and 4 256 logging data, interface types and characteristics of different grades the base-level cycle in Putaohua oil layer of Sanzhao Sag was systematically analyzed, and Putaohua oil layer is divided into 1 medium-term base level cycle, 4 short-term base level cycles, 8 super-short-term base level cycles, established high-resolution sequence strata framework, and proposed sequence stratigraphy model of middle super-short-term base level cycles meridionally grado-thin and up to vanish with syndepositional structure lifting control in the south of Putaohua oil layer. Sandstone is offlap Pinch-out in the upper of Putaohua oil layer, and Sandstone is onflap Pinch-out in the under of Putaohua oil layer from north to south.
Analysis of High-Frequency Sequence Stratigraphy Architecture of Putaohua Oil Layer in Sanzhao Sag of Songliao Basin
Li, Zheng (author) / Ma, Shi-Zhong (author) / Sun, Yu (author) / Zhang, Jin-Yan (author)
2013
4 Seiten
Conference paper
English
Stratigraphie , Sandstein , Geologie , Erdöllagerstätte , Bohrkern , China
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