Results 131 to 140 of about 277 (167)

Geochemical Characteristics of Natural Gas in the Yinggehai-Qiongdongnan Basin, South China Sea

Energy Exploration and Exploitation, 2010
Geochemical characteristics of natural gas in the Yinggehai-Qiongdongnan Basin were studied and analyzed based on gas component properties and carbon isotopic characteristics which were tested and collected of more than 100 samples. The gas in the Yinggehai-Qiongdongnan Basin was generally alkane gas, and all the area showed dry gas characteristics ...
Shipeng Huang, Fengrong Liao
exaly   +2 more sources

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The high resolution sedimentary filling in Qiongdongnan Basin, Northern South China Sea

Marine Geology, 2015
Abstract The high density (2 km × 6 km), high resolution (19 sequence boundaries) seismic reflection profiles and 42 industrial wells (including VSP data, gamma ray, sonic and density logs) are now available in Qiongdongnan Basin to the northwest of South China Sea.
Zhen Sun, Zhongxian Zhao, Zhenfeng Wang
exaly   +2 more sources

Cenozoic tectonic subsidence in the Qiongdongnan Basin, northern South China Sea

Basin Research, 2016
AbstractA number of major controversies exist in the South China Sea, including the timing and pattern of seafloor spreading, the anomalous alternating strike‐slip movement on the Red River Fault, the existence of anomalous post‐rift subsidence and how major submarine canyons have developed.
Zhongxian Zhao, Zhen Sun, Longtao Sun, Zhenfeng Wang, Zhipeng Sun   +4 more
openaire   +1 more source

Potential on joint development of three-gas reservoirs in the Qiongdongnan Basin

The Innovation Geoscience
<p>Gas hydrates are typically found in the fine-grained sediments with low abundance and strong heterogeneity in the northern South China Sea. To date, although numerous gas hydrate reservoirs have been discovered, commercial exploitation remains highly challenging.
Shiguo Wu, Jin Sun, Qingping Li, Yongsheng Ma, Thomas Lüdmann   +4 more
openaire   +1 more source

Tectonic Subsidence of Qiongdongnan Basin and Its Main Control Factors

Chinese Journal of Geophysics, 2008
AbstractBased on the data from 28 boreholes and the latest data of 3 seismic lines, the estimation of tectonic subsidence shows that the Qiongdongnan Basin (QDNB) experienced three episodes of rapid subsiding and one episode of slow subsiding in Cenozoic time.
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Source-to-sink system for peat accumulation in marginal basins of the South China Sea with the Qiongdongnan Basin as an example

Australian Journal of Earth Sciences, 2020
In the coal-bearing deposits of the Qiongdongnan Basin in the South China Sea, coal seams are for the most part extremely thin, typically less than 0.5 m.
Z.-X. Li, Y. Li, D.-D. Wang, P.-L. Wang, G.-C. Zhang, H.-Y. Liu, Y. Liu, X.-J. Li, G.-Z. Song   +8 more
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Geophysical properties of cap rocks in Qiongdongnan Basin, South China Sea

Marine and Petroleum Geology, 2000
Abstract Based on measured petrophysical properties and statistical methods, relationship between petrophysical properties and well log and seismic parameters are established empirically to evaluate the quality of cap rocks in Qiongdongnan Basin. Good cap rocks show high density and low sonic travel time.
Shisheng Hao, Zhilong Huang, Guangdi Liu, Yuling Zheng   +3 more
openaire   +1 more source

Natural gas generation in the deep-water area of the Qiongdongnan Basin, China

Petroleum Science and Technology, 2018
Generation process of natural gas in the Yacheng formation, including mudstone and coal strata, is simulated by an open system laboratory pyrolysis apparatus.
Long Su, Dongwei Zhang, Peng Liu, Ying Chen, Jihui Lin   +4 more
openaire   +1 more source

The formation environment and development modes of Cenozoic source rocks in the Qiongdongnan Basin

Chinese Journal of Geochemistry, 2012
According to the drilling results, there are three sets of source rocks of the Cenozoic Group in the Qiongdongnan Basin, including the Yacheng Formation transitional facies mudstone, the Oligocene Lingshui Formation semi-enclosed marine facies mudstone, and the Miocene neritic-bathyal facies mudstone. The hydrocarbon generating conditions of the source
Wenhao Li, Zhihuan Zhang, Youchuan Li, Ning Fu, Yanran Huang, Ling Zan, Huimin Zhang   +6 more
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Geochemical evidence of methane seepage in the sediments of the Qiongdongnan Basin, South China Sea

Chemical Geology, 2020
Abstract In this paper, the QS-1 sediments (3.64 m long; at 1500 m water depth) collected from the Qiongdongnan Basin were used to analyze the relationship between sedimentary geochemical anomalies and methane seepage. Mo-U covariation, Ce anomaly, and Mg/Ca-Sr/Ca end-member model were analyzed to identify the variations of redox environment and ...
Shuang Liu, Xiuli Feng, Zhiquan Feng, Xiao Xiao, Li Feng   +4 more
openaire   +1 more source