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ISSN: 2468-256X

Outcrop analogy with the subsurface geology and hydrocarbon prospectivity of Jaintiapur and adjacent areas in North-East Bangladesh

The availability of hydrocarbons in the eastern part of Bangladesh indicates the presence of active petroleum systems in the Bengal basin. Although extensive research has been conducted in the Surma...

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Molecular dynamics and energy distribution of methane gas adsorption in shales

This study uses simulations to explore the energy distributions involved in the adsorption of methane gas in shales. Molecular mechanics calculations were carried out using the Forcite module in BIOVIA...

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Hydrocarbon generation and potential of marine source rocks in supercritical water

Water, in ultra-deep layers of the earth and in layers receiving abnormally high heat, can exist in a supercritical state. Supercritical water (SCW) can participate in the transformations of organic...

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Characteristics and significance of the solid bitumen in the second member of Dengying Formation of Sinian system in the north of central Sichuan Basin, China

With ongoing advancements in natural gas exploration, the second member of the Sinian Dengying Formation (Deng 2 Member) has emerged as a crucial region for providing natural gas reserves in the north...

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Experiment on development of multilayer unconsolidated sandstone gas reservoir with edge water invasion in Qaidam Basin, China

The Quaternary unconsolidated sandstone gas reservoir in the Qaidam Basin is characterized by multiple layers, strong heterogeneity, and active edge water. Based on these characteristics, a physical...

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Facies-based Bayesian simultaneous inversion technology and its application: A case study of the north section of No.5 fault zone in Shunbei area, Tarim Basin, China

The fault-karst carbonate reservoir in the Shunbei area of the Tarim Basin is controlled by deep strike-slip faults and forms a fault-karst system. The reservoir space primarily includes holes and fractures,...

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Hydrocarbon yield evolution characteristics and geological significance in temperature-pressure controlled simulation experiment

A semi-open system temperature-pressure controlled hydrocarbon generation and expulsion simulation experiment was carried out to explore the hydrocarbon generation and expulsion potential and mechanism...

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Formation mechanism and hydrocarbon exploration significance of the box fold in the Qiulitage structural belt, the Kuqa Depression, Tarim Basin, China

Clarifying the deformation characteristics and formation mechanisms of the box fold in the eastern Qiulitage structural belt can provide important references for the reconstruction of the evolution...

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Rift-uplift-depression accumulation-controlling models of the large gas province in Cambrian pre-salt, Tarim Basin, China

The Cambrian pre-salt has the accumulation conditions for forming a compound large gas province and was the strategic replacement area with the lowest exploration level and the largest exploration potential...

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Quantitative evaluation and influencing factors analysis of the brittleness of deep shale reservoir based on multiply rock mechanics experiments

Due to a great increase in the plasticity of deep marine shale reservoirs in southern Sichuan under high-temperature and high-pressure conditions, the single brittleness evaluation method is difficult...

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New discoveries and exploration prospects of middle and Lower Jurassic lithologic reservoirs in depression area of Turpan-Hami Basin, China

Recently found substantial discoveries in the Lower Jurassic Sangonghe Formation in Taibei Sag, Turpan-Hami Basin was made possible through exploration wells Qintan1 and Ji7H. The two wells represented...

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Accumulation mechanism and model of coal measure derived oil and gas in the deep reservoir of Huanghua Depression, Bohai Bay Basin, China

Hydrocarbon accumulation in coal measure strata is consist of several types which includes intra-source accumulation and adjusted accumulation, particularly in basins that had experienced multi-stage...

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Helium enrichment mechanism of helium-rich gas reservoirs in central and western China: Degassing and accumulation from ancient groundwater

Helium, a coordinated resource in natural gas, is an essential and strategic resource, but research on its enrichment mechanism is relatively weak. This study investigated helium enrichment in major...

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Origin and accumulation models of ultra-low permeability-tight sandstone (gravel) gas in Bohai Bay Basin, China

Ultra-low permeability–tight sandstone (gravel) gas reservoir is an important exploration target for natural gas both domestically and internationally. As a crucial oil and gas exploration basin in...

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Sequence architecture, slope-break development and geological significance during the P–T transition in the Mahu Sag, Junggar Basin, China

During the P–T transition period (from the Late Permian to the Early Triassic), the Mahu Sag of the Junggar Basin transitioned from a foreland basin to a large depression lake basin, with the development...

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Analysis on distribution and main controlling factors of OM carbonization in marine shale in the Sichuan Basin of China and its periphery

The distribution and main controlling factors of the organic matter carbonization points/zones of over-mature marine shale are important issues for shale gas exploration. This paper focuses on the Lower...

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Accumulation characteristics and exploration prospects of the 4th member of Leikoupo Formation in the western Sichuan Basin, China

The Leikoupo Formation of the Middle Triassic is one of the hot strata of marine natural gas exploration in the western Sichuan Basin in recent years. Petroleum geologists have different opinions on...

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Development characteristics and main control factors of deep clastic reservoirs of the Xiaganchaigou Formation in the northern marin of the Qaidam Basin, China

The deep strata of the northern margin of the Qaidam Basin are currently unexplored and have high resource potential. To clarify the characteristics and control factors of the deep sandstone reservoir...

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Genesis of H2S in Jurassic associated gas in Pengyang area, Ordos Basin, NW China

The Jurassic Yan'an Formation (J1y) crude oil-associated gas in the Pengyang area of the Ordos Basin contains a certain amount of H2S. The study of its genesis is important for us to predict the distribution...

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Micro-pore structure and fractal characteristics of deep shale from Wufeng Formation to Longmaxi Formation in Jingmen exploration area, Hubei Province, China

To explore the pore structure and fractal characteristics of shale reservoirs in the Jingmen exploration area and quantitatively evaluate the heterogeneity and complexity of pores, taking Wufeng-Longmaxi...

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Exploration field analysis and zone optimization of sinian, Tarim Basin, China

Carbonate rock from the Late Proterozoic to the Early Paleozoic is an important field of oil and gas exploration. The Sinian carbonate rock series in Tarim Basin are old, deep buried, with few drilling...

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Characteristics and controlling factors of transitional shale gas reservoirs: An example from Permian Shanxi Formation, Daning-Jixian block, Ordos Basin, China

The shales in the 2nd Member of Permian Shanxi Formation (Shan2 Member) at the Daning-Jixian block at the eastern margin of the Ordos Basin were deposited in a marine–continental transitional environment....

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Characteristics, formation mechanism and influence on physical properties of carbonate minerals in shale reservoirs of Wufeng-Longmaxi formations, Sichuan Basin, China

The characteristics, formation mechanisms, and influences on physical properties of carbonate minerals in shale reservoirs of Wufeng-Longmaxi formations in Sichuan Basin are systematically investigated...

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Adsorption characteristics and controlling factors of marine deep shale gas in southern Sichuan Basin, China

Deep shale gas (3500–4500 m) is the important replacement field of shale gas production growth in the future China. The research on key parameters of deep shale-gas reservoir is critical to determine...

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Effects and practical applications of present-day in-situ stress on reservoir quality in ultra-deep layers of Kuqa Depression, Tarim Basin, China

There is a significant relationship between in-situ stress and reservoir quality, to reinvent the theoretical understanding and technical methods of reservoir evaluation from the perspective of in-situ...

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