yinggehai energiasalvestusaku

Sedimentary characteristics and model of gravity flow depositional system for the first member of upper Miocene Huangliu Formation …

The gravity flow deposit were mainly developed in the lowstand systems tract (LST) of the first member of Upper Miocene Huangliu Formation (Ehl 1) in Dongfang area, Yinggehai Basin, has become a valuable target for gas exploration and production. The gravity flow sedimentary characteristics of lithofacies associations, sedimentary texture, seismic …

Evidence for episodic expulsion of hot fluids along faults near diapiric structures of the Yinggehai …

Diapiric structures are well developed and occur in most of the central part of the Yinggehai Basin, on the western side of the South China margin. A strong thermal anomaly due to hot fluid flows occurs in the diapiric zone, as evidenced from vitrinite reflectance (R o), clay mineral transformation, and fluid inclusion homogenization …

A distinctive hydrocarbon basin—Yinggehai Basin, South China …

Journal of Southeast Asian Earth Sciences, Vol. 6, No. 2, pp. 69-74, 1991 0743-9547/91 $3.00 + 0.00 Printed in Great Britain Pergamon Press plc A distinctive hydrocarbon basin--Yinggehai Basin, South China Sea ZHANG QIMING and ZHANG QUANXING

Experimental evidence for the dynamics of the formation of the Yinggehai basin…

The NW-oriented Yinggehai basin lies on the seaward extension of the Red River Fault Zone (RRFZ) (Fig. 1) (1988) believed that Yinggehai basin developed along NW Riedel shear plane under NWW–SEE transtensional stress field. Zhang and Hao (1997), Gong and Li (1997) and Li et al. (1998) proposed that the Yinggehai basin was a dextral pull-apart …

Understanding sedimentation in the Song …

The Cenozoic Song Hong–Yinggehai Basin in the South China Sea contains a large volume of sediment that has been used in previous …

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This study reviewed the sedimentary characteristics and formation mechanism of the Yinggehai-Qiongdongnan Basin based on the lateral sedimentary distribution, vertical …

Understanding sedimentation in the Song Hong Yinggehai …

Song Hong–Yinggehai Basin. Figure 2. Location of studied well samples from the Song Hong–Yinggehai Basin in the South China Sea. Sediment isopachs after Zhu et al. [2009]. Geochemistry Geophysics Geosystems G 3 YAN ET AL.: SEDIMENTATION IN 10.

Provenance of Upper Miocene sediments in the Yinggehai and …

The Yinggehai and Qiongdongnan basins in the northwestern South China Sea preserve a large volume of Cenozoic sediments. However, their sources are still barely understood. In this paper, we combine rare earth element (BEE) geochemistry, heavy mineral analysis and detrital zircon U-Pb geochronology for samples from potential source areas and basin …

Hierarchies of overpressure retardation of organic matter …

The effects of overpressure on different aspects of organic matter maturation have been examined in three basins using multiple parameters. Overpressure in the Yinggehai Basin has retarded kerogen maturation, hydrocarbon generation, and thermal cracking of long-chain normal hydrocarbons, as well as evolution of isoprenoid hydrocarbons. …

Abnormal organic-matter maturation in the Yinggehai Basin, South China Sea: Implications for hydrocarbon expulsion and …

The Yinggehai Basin, a Cenozoic basin located on the northwestern corner of the South China Sea (Fig. 1A), is famous for abnormally high temperatures and high fluid pressures (Hao et al., 1995 ...

Yinggehai basin

The Yinggehai-Song Hong Basin is located on the northwest of the South China Sea, between Hainan Island and the coast of northern Vietnam. [1] [2] It is a large extensional …

Fluid Charging and Paleo-pressure Evolution in the Ledong Slope Zone of the Yinggehai …

overpressure in the Ledong slope zone.The evolution of paleo-pressure was affected by the sedimentation rate of the Yinggehai Fm.,as well as the hydrocarbon generation rate.Additionally,the Ledong Slope Zone is less affected by diapir activity than the ...

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Abstract: The Yinggehai-Song Hong Basin lying to Vietnam land coast and the west of Hainan Island is a Cenozoic basin with strike-slip and pull-apart component and unique …

Large-scale erosional response of SE Asia to monsoon evolution reconstructed from sedimentary records of the Song Hong-Yinggehai …

Abstract The Song Hong-Yinggehai (SH-Y) and Qiongdongnan (Qi) basins together form one of the largest Cenozoic sedimentary basins in SE Asia. Here we present new records based on the analysis of seismic data, which we compare to geochemical data derived from cores from Ocean Drilling Program (ODP) Site 1148 in order to derive proxies for …

Overpressuring mechanisms in the Yinggehai Basin, South China Sea

Yinggehai Basin is an elongate Cenozoic rift basin on the northwestern margin of the South China Sea continental shelf. Its thick (∼17 km) basin fill is characterized by high …

Revealing The Unseen Mud Diapir Through OBN Data: A Case Study in Yinggehai …

Summary Yinggehai basin is one of the most important basins of the South China Sea for its mega gas reservoirs and exploration potential. Vintage seismic data generally suffers severely from complex structures, including diapir formed by thermal fluids, strong shallow gas fields, and complex faulting systems. The diapiric structures in particular, commonly …

The Yinggehai Basin''s Dongfang area is a significant area for oil and gas exploration, characterized by the presence of large-scale submarine fan complexes. As exploration …

Spatial distribution and geochemistry of the nearshore gas seepages and their implications to natural gas migration in the Yinggehai …

The Yinggehai Basin is a transform-extensional basin with a northwest trend, and is characterised by a rapid sediment deposition rate of an average of 1.2 mm/year and a very high geothermal ...

(PDF) The sedimentary and tectonic evolution of the Yinggehai

The sedimentary and tectonic evolution of the Yinggehai -Song Hong basin and the southern Hainan margin, South China Sea: Implications for Tibetan uplift and … proposed to have occurred in response to Tibetan surface uplift [e.g., Brookfield, 1998; Clark et …

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The sedimentary and tectonic evolution of the Yinggehai-Song …

[ 1] The Yinggehai - Song Hong basin is one of the world''s largest pull-apart basins, lying along the trace of the Red River fault zone in the South China Sea. South of Hainan Island this basin crosscuts the rifted margin of the northern South China Sea. In this paper we present for the first time a regional compilation of multichannel seismic reflection data …

Geological Structure and Dynamics of the Yinggehai Active Rift …

The Yinggehai Basin is a unique NNW-trending petroliferous basin in the northwestern South China Sea. This paper mainly utilized stratigraphic, tectonic and seismic data by …

A distinctive hydrocarbon basin—Yinggehai Basin, South China …

Journal of Southeast Asian Earth Sciences, Vol. 6, No. 2, pp. 69-74, 1991 0743-9547/91 $3.00 + 0.00 Printed in Great Britain Pergamon Press plc A distinctive hydrocarbon basin--Yinggehai Basin, South China Sea ZHANG QIMING and ZHANG QUANXING Nanhai ...

Geochemistry and episodic accumulation of natural gases from the Ledong gas field in the Yinggehai …

The Yinggehai Basin has been rapidly filled with sediments at a sedimentation rate of 1.2 mm/year, and there is a high thermal gradient (average 4.3 • C/100 m) in the central areas (Lei et al ...

Expulsion process of overpressure fluids indicated by vertical venting structures in the Dongfang area of the Yinggehai …

The Yinggehai Basin is a Cenozoic high-temperature and high-pressure basin where diapirism and thermal fluid activities were so strong that the deeply-sourced natural gas accumulated in the ...

Geochemistry and origins of natural gases in the Yinggehai and …

Four gas fields and a number of gas-bearing structures have been discovered in the Yinggehai and Qiongdongnan basins offshore South China Sea. Chemical and isotopic data indicate the presence of at least three genetic groups of gases in these basins: biogenic gas, thermogenic gas, and gases with mixed origin.

Provenance of Upper Miocene to Quaternary sediments in the Yinggehai …

The Yinggehai-Song Hong (Y-SH) Basin, located on the northwestern shelf of the South China Sea, is one of the world''s largest pull-apart basins. In order to identify the provenance of the Upper Miocene to Quaternary sediments of the basin, ten sediment samples were collected from drill cores in the Dongfang gas field.

Quantitative Evaluation of Sealing Capacity of High Temperature and Pressure Caprocks in Yinggehai Basin. Earth Science, 44(8): 2579-2589. doi: 10.3799/dqkx.2019.095 Citation: Xie Yuhong, 2019. Quantitative Evaluation of Sealing Capacity of High, 44(8doi: ...

The sedimentary and tectonic evolution of the …

The Yinggehai basin is the principal repository of material eroded in the Red River drainage and should be sensitive to changes in …

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Geological Structure and Dynamics of the Yinggehai Active Rift …

The Yinggehai Basin is a unique NNW-trending petroliferous basin in the northwestern South China Sea. This paper mainly utilized stratigraphic, tectonic and seismic data by characterizing the geological structures and conducting the geo-mechanical analysis to study the formation, evolution and dynamics of the Yinggehai Basin. The study indicates …