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Research on Oil Shale Basin Structural Features and Metallogenic in Cenozoic of Eastern China

Author: LiLei
Tutor: ZhaoGuoChun
School: Chinese Geology University (Beijing)
Course: Structural Geology
Keywords: In eastern China Cenozoic era Oil shale Structure Mineralization
CLC: P618.13
Type: Master's thesis
Year: 2010
Downloads: 364
Quote: 1
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Abstract


Energy security has become a national policy. As an important complement of the oil and gas energy development and utilization of oil shale is a general trend. However, the low level of exploration of oil shale resources not yet in-depth study of metallogenic theory and exploration technology. Accordingly, the paper Fushun Basin, Northeast region representative, Huadian Basin, the eastern coast Huangxian Basin, the northern part of the South China Sea, Maoming Basin, Danzhou basin of Cenozoic five oil-bearing shale basin as a study area. Integrated use of structural geology, sedimentology, sequence stratigraphy, ancient limnology, paleoclimatology, deposit and other multi-disciplinary research, the new generation of oil shale basin in eastern China to explore of Cenozoic rift basin oil shale metallogenic characteristics. The thesis of the Cenozoic paleoclimatic and paleontological features, confirm Cenozoic basins in China has a rich source of organic matter. Then to collect and collate the Cenozoic basins in China, oil shale basin geological data on the the of Huadian, Fushun, Huangxian, Danzhou long slope, Maoming Basin field reconnaissance, focusing on analysis of Maoming Basin to explore our metallogenic characteristics of the formation and development of the eastern part of the new generation of oil-bearing shale oil shale basin. Thesis Maoming Basin as a study area to carry out a detailed data collection and field sampling, systematic analysis of the structural features of the basin and its formation and evolution. Geological aspects, found that the main reason for the formation of Maoming Basin from the basin peripheral fracture shear strike-slip basin northeast edge of the high-bay Ridge fracture the formation and development of the basin, the mineralization of the oil shale plays an important control role; basin elongation at break is shorter, cross-sectional, Paleogene and Neogene fault block the strata cut into various sizes, while oil shale seam late damaging effects. Exploration aspects of integrated geophysical testing of oil shale and its surrounding rocks show the region oil shale density values ??ranged between 1.52 ~ 1.97 × 103kg/m3, magnetic susceptibility values ??between 26.6 ~ 206.4 × 10-5SI between the remanent magnetization values ??ranging from 2.0 to 186.0 × 10-3A / M between the differences compared to the surrounding rock mine recommended combination of geophysical methods suitable for the oil shale mine technology according to their differences . Five oil-bearing shale basin tectonic and sedimentary characteristics, the paper also introduces a the continental facies sequence stratigraphy three sequence unit quarters program theory, the establishment of China's continental rift basin oil shale metallogenic formation filling model diagram and instructions mostly of Cenozoic oil-bearing shale basin sedimentary strata of the Cretaceous continental rift basins; deposition phase of the oil-bearing shale basin basic semi-deep lake - deep lake; basin overlying water depth, transgressive conducive generate rich oil shale deposits; breaking plays a leading role in the formation and evolution of the basin.

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CLC: > Astronomy,Earth Sciences > Geology > Of ore deposits > Deposit classification > Fuel deposits > Oil, natural gas
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