Results 51 to 60 of about 28,343 (143)

Diagenesis of the Permian Fengcheng Formation Shale Series in the Mahu Sag, Junggar Basin, China

open access: yes, 2023
The Fengcheng Formation in the Mahu Sag of the Junggar Basin was generally composed of detritus, pyroclastic material, carbonates, and evaporites. During the process of sedimentation, the climate was arid or semi-arid. Due to the effect of high concentration and sodium-rich source, an alkaline lake was formed, and alkaline minerals were also preserved ...
Bin Bai   +9 more
openaire   +1 more source

Carboniferous to Early Permian tectono-sedimentary evolution in the western Junggar Basin, NW China: implication for the evolution of Junggar Ocean

open access: yesFrontiers in Earth Science, 2023
The discovery of Carboniferous hydrocarbon source rocks in the Mahu-Shawan Sag has implied considerable exploration potential in the Carboniferous strata in the western Junggar Basin.
Fan Yang   +7 more
doaj   +1 more source

Feldspar Dissolution and Its Influence on Reservoirs: A Case Study of the Lower Triassic Baikouquan Formation in the Northwest Margin of the Junggar Basin, China

open access: yesGeofluids, Volume 2018, Issue 1, 2018., 2018
Feldspar dissolution is a common feature in clastic rock reservoirs of petroliferous basins and has an important influence on reservoir quality. However, the effect of feldspar dissolution on reservoir quality varies under different depositional environments and diagenetic systems.
Meng Xiao   +7 more
wiley   +1 more source

Flowback Characteristics Analysis and Rational Strategy Optimization for Tight Oil Fractured Horizontal Well Pattern in Mahu Sag

open access: yes, 2023
With the deep development of tight reservoir in Mahu Sag, the trend of rising water cut during flowback concerns engineers, and its control mechanism is not yet clear.
Kai Liao   +6 more
core   +1 more source

Genesis of organic-rich shales in the Fengcheng Formation, southern Mahu Sag: Evidence from organic petrology, biomarkers, and isotopes

open access: yesDizhi lixue xuebao
Objective  The Mahu Sag, a pivotal, hydrocarbon-rich depression within the Junggar Basin, hosts the Permian Fengcheng Formation, a primary source rock interval widely regarded as a key “sweet spot” target for shale oil exploration.
CHEN Shanhe   +7 more
doaj   +1 more source

Genesis and Geological Significance of Permian Oilfield Water in the Western Periphery of the Mahu Sag, Junggar Basin, China

open access: yesMinerals, 2023
Oilfield water contains valuable geological information and plays an important role in petroliferous basins, being closely related to diagenesis, reservoir physical properties, and hydrocarbon preservation conditions. Here we present a case study of oilfield water in Permian formations in the western periphery of the Mahu Sag, Junggar Basin, China. The
Li, Jiasi   +5 more
openaire   +1 more source

Multimethod Prediction of Pore Pressure in the Deep Jurassic System of the Central Junggar Basin

open access: yesGeofluids, Volume 2025, Issue 1, 2025.
Drilling has shown that there is significant overpressure throughout the Jurassic in the central Junggar Basin and that the maximum pressure coefficient exceeds 2.0. The pore pressure in the central Junggar Basin was jointly predicted by combining a number of methods, such as the Eaton, Bowers, and equilibrium depth methods based on logging data, with ...
Huimin Liu   +8 more
wiley   +1 more source

Characteristics of dissolved pores and dissolution mechanism of zeolite-rich reservoirs in the Wuerhe Formation in Mahu area, Junggar Basin

open access: yesEnergy Exploration & Exploitation, 2022
The reservoir in the Wuerhe Formation in the Mahu Sag, northwestern Junggar Basin, China, exhibits complex dissolution and cementation related to zeolite. The source and mechanism of diagenetic fluids are crucial in studying the reservoir genesis.
Ji Li   +9 more
doaj   +1 more source

Geochemical characteristics of source rocks and gas exploration direction in Shawan Sag, Junggar Basin, China

open access: yesJournal of Natural Gas Geoscience, 2023
In recent years, significant advancements have been achieved in the exploration of natural gas around Shawan Sag in the Junggar Basin. However, the geochemical characteristics and distribution of source rocks in the center of the sag have yet to be ...
Yong Li   +5 more
doaj   +1 more source

Grid Connected Inverter Behavior with an Output LC Filter under Voltage Sag Operation [PDF]

open access: yes, 2009
The aim of this paper is to propose an over current limitation and voltage control strategy for a grid connected inverter with a LC output filter used in distributed generation and in case of voltage sag.
COLAS, Frédéric   +2 more
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