Bioturbation plays an important role in enhancing the reservoir capacity of tight reservoirs.This study aims to understa......

The oils in the Rewapu Block of the Halahatang Oilfield in the Tarim Basin (northwestern China) were geochemically analy......

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Based on analysisof karst fracture-vuggy filling mineralogy and geochemical fluorite in hercynian, this paper make furth......

Zhenjia 1 well located in the 2nd salt depression of the Northern Shaanxi Salt Basin(Zhang et al,2013),is the basis pota......

This study provides an overview and discussion of controls on the distribution of organic reefs during the Early Ordovic......

Ordovician conodonts representing 28 genera and 28 named and three unnamed species were identified from 740 chert and si......

Based on drilling cores, well logging and seismic data, source rocks and reservoirs are evaluated;and the natural gas ge......

Data from seismic reflection profiles, drilling, stratigraphy, structural deformation studies and physical rock properti......

We tested for fourteen trace elements in samples collected from the Ordovician strata in Datun coal field.The vertical c......

The Yingjisu Sag was petroliferous for normal oil, condensate oil, reservoir bitumen and natural gases. Geochemical stud......

Whole-rock Sm-Nd isotopes were investigated for Cambrian-Ordovician strata from the Jinggangshan area between the Yangtz......

Research on the molecular fossil characteristics of heavy oil from Well Tadong-2 is of great importance to constrain the......

Ordovician natural gases in the Tahe Oilfield are composed predominantly of hydrocarbon gases dominated by methane with ......

Exposed in natural outcrops near the Duibian Village, Jiangshan County, Zhejiang Province, China, the Duibian B section ......

Granitoid intrusives such as Saishitenshan, Tuanyushan, Aolaohe and Sanchagou occur widely in the western segment of Nor......

The Shijuligou deposit was separated by an arcuate ductile shear zone cross the center of the deposit region, resulting ......

Based on high-resolution 2D seismic profiles,the Paleozoic structural deformation char-acteristics of Bachu (巴楚) uplif......

Systematic Ce anomalies for whole-rock have been obtained from the shale-dominated, continuous, and pelagic sedimentary ......

Inclined eastward and consisting of the Hetianhe, Hetianhedong, Tazhong paleouplifts and Bachu paleoslope, the central p......

The concentration of hydrogen sulfide gas (H2S) varies greatly in the oil-bearing basins of China, from zero to 90%. At ......

奥陶系灰岩水是中国北方地区煤矿突水的主要来源。本文介绍了利用熵、最大李氏指数及分形分维等三种非线性地震属性预测奥陶系灰岩......

Some large-scale oil-gas fields have recently been discovered in marine carbonate in China, especially the significant d......

<正> Toward the end of the Middle Ordovician, the whole North China Paraplatform was uplifted. It stood as a land-mass s......

Kwangsian 造山运动预定的发作可能越过华南在地区之中不同。在不同地区的精制 stratigraphic 工作是必要的披露这可能的区别的详......

在诺思和西方的中国的 palaeoplates 的奥陶纪 conodont 多样化上的文学的评论表明四座差异山峰在诺思中国是在场的，发生在中间的 T......

Statistical analysis based on global data indicated that the planktonic graptolites presented a distinguished pattern fr......

In order to study the movement characteristics of groundwater in a deep mining area and solve the dispute of the distri-......

The geological condition of coalfield is much complex in China. With increasing in mining depth and drainage amount, the......

Located in the middle of the Tarim Basin, Tazhong is a typical area of compound reservoirs rich in oil and gas found in ......

The geologic conditions of superimposed basins in China are very complicated. This is mainly shown by multi-phase struct......

In the study of sequence stratigraphy and litho-paleogeography,quantitative analysis,precise calculation and detailed co......

The 21st century is regarded as an era of natural gas for the petroleum industry. That is one of the reasons why CNPC ha......

The Upper Ordovician Lianglitag Formation carbonate rocks are important oil and gas reservoirs in the Tarim Basin,Northw......

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Since the discovery of the Tahe oilfield,it has been controversial on whether the main source rock is in the Cambrian or......

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Abandoned mines are of high potential risk as they could be a large underground storage of pollutants(heavy metals and o......

The mother matter of Ordovician source are mainly sapropelic and generate oil in mature stage, since the high plants di......

The Jurassic in the northern Qaidam basin is an independent petroleum system.To find high－ quality source rock is the key......

My observations on the geology of eastern Kansu are limited to two traverse lines. The first route was a detour from Pi......

The research on the trace elements of Ordovician carbonates plays an important part in the whole work on reservoir in Ta......

Based on the migration track of the Silurian oil pools along the faults in central Tarim by the nitrogen compounds and t......

Field investigation and seismic section explanation showed that the Longmen Mountain Thrust Belt has obvious differentia......

The Tazhong reef-flat oil-gas field is the first large-scale Ordovician organic reef type oil-gas field found in China.I......

Utilizing the new data of gravity, magnetic, and magnetotelluric survey, we analyzed the characteristics of the three ge......

The Silurian in the Tarim Basin was deposited on the basement deformed by the Caledonian tectonic movements at the end o......

The studies on configuration, character/property of the basement of Qiangtang basin is helpful for evaluating petroleum ......

Present-day hot spots and Phanerozoic large igneous provinces(LIPs) and kimberlites mainly occur at the edges of the pro......