Radiation efficiency and energy distribution from a borehole dipole source in the vertical transverse isotropic formation
Available online 6 September 2024
Dipole Shear-Wave Reflection Survey (DSRS) has gained wide application in identifying unconventional reservoirs in anisotropic formations. Previous investigations have illuminated how boreholes complicate...
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Dynamic Evolution mechanism of the fracturing fracture system—Enlightenments from hydraulic fracturing physical experiments and finite element numerical simulation
Available online 5 September 2024
This study aims to elucidate the dynamic evolution mechanism of the fracturing fracture system during the exploration and development of complex oil and gas reservoirs. By integrating methods of rock...
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Impacts of microbial interactions on underground hydrogen storage in porous media: A comprehensive review of experimental, numerical, and field studies
Available online 3 September 2024
Amidst the rapid development of renewable energy, the intermittency and instability of energy supply pose severe challenges and impose higher requirements on energy storage systems. Among the various...
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The development of high-performance kinetic hydrate inhibitors by introducing N-vinyl caprolactam and vinyl ether homopolymers into PVCap
Available online 2 September 2024
Low dosage kinetic hydrate inhibitors (KHIs) are a kind of alternative chemical additives to prevent gas hydrate formation in oil & gas production wells and transportation pipelines. In this work, a...
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Comparing different segments in shut-in pressure signals: new insights into frequency range and energy distribution
Available online 31 August 2024
Water hammer diagnostics is an important fracturing diagnosis technique to evaluate fracture locations and other downhole events in fracturing. The evaluation results are obtained by analyzing shut-in...
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Experimental investigation on pyrolysis products and pore structure characteristics of organic-rich shale heated by supercritical carbon dioxide
August 2024
The efficient pyrolysis and conversion of organic matter in organic-rich shale, as well as the effective recovery of pyrolysis shale oil and gas, play a vital role in alleviating energy pressure. The...
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Thickening progression mechanism of silica fume – oil well cement composite system at high temperatures
August 2024
This work studied the thickening progression mechanism of the silica fume – oil well cement composite system at high temperatures (110–180 °C) in order to provide a theoretical guidance for the rational...
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Research on thermal insulation materials properties under HTHP conditions for deep oil and gas reservoir rock ITP-Coring
August 2024
Deep oil and gas reservoirs are under high-temperature conditions, but traditional coring methods do not consider temperature-preserved measures and ignore the influence of temperature on rock porosity...
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Optimized parameters of downhole all-metal PDM based on genetic algorithm
August 2024
Currently, deep drilling operates under extreme conditions of high temperature and high pressure, demanding more from subterranean power motors. The all-metal positive displacement motor, known for...
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Probing the interaction between asphaltene-wax and its effects on the crystallization behavior of waxes in heavy oil via molecular dynamics simulation
August 2024
High content of asphaltenes and waxes leads to the high pour point and the poor flowability of heavy oil, which is adverse to its efficient development and its transportation in pipe. Understanding...
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Exploring the impact of economic growth and energy consumption on SO2 emissions in China based on the Environmental Kuznets Curve hypothesis
August 2024
This study aims to analysis the influence of economic growth (EG) and energy consumption (EC) on sulfur dioxide emissions (SE) in China. Accordingly, this study explores the link between EG, EC, and...
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Experimental investigation of dynamic characteristics of leaching tubing for solution mining of salt cavern carbon and energy storage
August 2024
Salt caverns are extensively utilized for storing various substances such as fossil energy, hydrogen, compressed air, nuclear waste, and industrial solid waste. In China, when the salt cavern is leached...
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Numerical evaluations on the fluid production in the in-situ conversion of continental shale oil reservoirs
August 2024
In-situ conversion presents a promising technique for exploiting continental oil shale formations, characterized by highly fractured organic-rich rock. A 3D in-situ conversion model, which incorporates...
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Application of sparse S transform network with knowledge distillation in seismic attenuation delineation
August 2024
Time-frequency analysis is a successfully used tool for analyzing the local features of seismic data. However, it suffers from several inevitable limitations, such as the restricted time-frequency resolution,...
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Sedimentary paleoenvironment and its control on organic matter enrichment in the Mesoproterozoic hydrocarbon source rocks in the Ordos Basin, southern margin of the North China Craton
August 2024
The black shale of the Mesoproterozoic Cuizhuang Formation in the Changcheng System in Yongji city, North China Craton, is a potential source rock. Understanding the organic matter enrichment mechanism...
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Sand control mechanism of radial well filled with phase change material in hydrate reservoir
August 2024
Radial well filled with phase change material has been proposed as a novel sand control method for hydrate exploitation. In order to reveal the sand control mechanism, CFD-DEM coupling method is applied...
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Reactive transport modeling constraints on the complex genesis of a lacustrine dolomite reservoir: A case from the Eocene Qaidam Basin, China
August 2024
Reactive transport modeling (RTM) is an emerging method used to address geological issues in diagenesis research. However, the extrapolation of RTM results to practical reservoir prediction is not sufficiently...
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August 2024
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Influence of pore structure heterogeneity on channeling channels during hot water flooding in heavy oil reservoir based on CT scanning
August 2024
Hot water flooding is an effective way to develop heavy oil reservoirs. However, local channeling channels may form, possibly leading to a low thermal utilization efficiency and high water cut in the...
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Research on the solid particle erosion wear of pipe steel for hydraulic fracturing based on experiments and numerical simulations
August 2024
Erosion wear is a common failure mode in the oil and gas industry. In the hydraulic fracturing, the fracturing pipes are not only in high-pressure working environment, but also suffer from the impact...
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Exploring the mechanisms of calcium carbonate deposition on various substrates with implications for effective anti-scaling material selection
August 2024
The unexpected scaling phenomena have resulted in significant damages to the oil and gas industries, leading to issues such as heat exchanger failures and pipeline clogging. It is of practical and fundamental...
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Acoustic characterization of hydrate formation and decomposition in clay-bearing sediments
August 2024
Understanding the acoustic characteristics of hydrates in various sediments is crucial for hydrate resource detection and safe and efficient exploitation, as hydrate occurrence patterns vary greatly...
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Securing offshore resources development: A mathematical investigation into gas leakage in long-distance flexible pipes
August 2024
Gas flexible pipes are critical multi-layered equipment for offshore oil and gas development. Under high pressure conditions, small molecular components of natural gas dissolve into the polymer inner...
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An efficient data-driven global sensitivity analysis method of shale gas production through convolutional neural network
August 2024
The shale gas development process is complex in terms of its flow mechanisms and the accuracy of the production forecasting is influenced by geological parameters and engineering parameters. Therefore,...
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A novel dandelion-based bionic proppant and its transportation mechanism in different types of fractures
August 2024
Low-permeability reservoirs are generally characterized by low porosity and low permeability. Obtaining high production using the traditional method is technologically challenging because it yields...
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