Experimental study of the influencing factors and mechanisms of the pressure-reduction and augmented injection effect by nanoparticles in ultra-low permeability reservoirs
Available online 29 November 2023
Nanoparticles (NPs) have gained significant attention as a functional material due to their ability to effectively enhance pressure reduction in injection processes in ultra-low permeability reservoirs....
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Sedimentary architecture of submarine channel-lobe systems under different seafloor topography: Insights from the Rovuma Basin offshore East Africa
Available online 25 November 2023
Seafloor topography plays an important role in the evolution of submarine lobes. However, it is still not so clear how the shape of slope affects the three-dimensional (3-D) architecture of submarine...
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Acid-rock reaction kinetics in a two-scale model based on reaction order correction
Available online 25 November 2023
The reaction order plays a crucial role in evaluating the response rate of acid-rock. However, the conventional two-scale model typically assumes that the reaction order is constant as one, which can...
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Implications for fault reactivation and seismicity induced by hydraulic fracturing
Available online 23 November 2023
Evaluating the physical mechanisms that link hydraulic fracturing (HF) operations to induced earthquakes and the anticipated form of the resulting events is significant in informing subsurface fluid...
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Stochastic seismic inversion and Bayesian facies classification applied to porosity modeling and igneous rock identification
Available online 23 November 2023
We apply stochastic seismic inversion and Bayesian facies classification for porosity modeling and igneous rock identification in the presalt interval of the Santos Basin. This integration of seismic...
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Influence of pressure disturbance wave on dynamic response characteristics of liquid film seal for multiphase pump
Available online 21 November 2023
Slug flow or high GVF (Gas Volume Fraction) conditions can cause pressure disturbance waves and alternating loads at the boundary of mechanical seals for multiphase pumps, endangering the safety of...
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A review of reservoir damage during hydraulic fracturing of deep and ultra-deep reservoirs
Available online 20 November 2023
Deep and ultra-deep reservoirs have gradually become the primary focus of hydrocarbon exploration as a result of a series of significant discoveries in deep hydrocarbon exploration worldwide. These...
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An adaptive physics-informed deep learning method for pore pressure prediction using seismic data
Available online 19 November 2023
Accurate prediction of formation pore pressure is essential to predict fluid flow and manage hydrocarbon production in petroleum engineering. Recent deep learning technique has been receiving more interest...
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Study on deep transportation and plugging performance of deformable gel particles in porous media
Available online 18 November 2023
Deformable gel particles (DGP) possess the capability of deep profile control and flooding. However, the deep migration behavior and plugging mechanism along their path remain unclear. Breakage, an...
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Numerical and experimental study on the falling film flow characteristics with the effect of co-current gas flow in hydrogen liquefaction process
Available online 16 November 2023
Liquid hydrogen storage and transportation is an effective method for large-scale transportation and utilization of hydrogen energy. Revealing the flow mechanism of cryogenic working fluid is the key...
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Interfacial friction effects on sealing performances of elastomer packer
Available online 14 November 2023
Elastomer sealing performance is of critical importance for downhole tools application including the use of fracturing (Frac) plugs during multi-stage hydraulic fracking. In practice sealing performances...
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Fractal model of spontaneous imbibition in low-permeability reservoirs coupled with heterogeneity of pore seepage channels and threshold pressure
Available online 14 November 2023
Spontaneous imbibition (SI) is an important mechanism for enhancing oil recovery in low-permeability reservoirs. Due to the strong heterogeneity, and the non-Darcy flow, the construction of SI model...
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Influences of shale microstructure on mechanical properties and bedding fractures distribution
Available online 13 November 2023
The difference in microstructure leads to the diversity of shale mechanical properties and bedding fractures distribution patterns. In this paper, the microstructure and mechanical properties of Longmaxi...
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Differences and identification on multi-time hydrocarbon generation of carboniferous-permian coaly source rocks in the Huanghua depression, Bohai Bay basin
Available online 13 November 2023
Coal is a solid combustible mineral, and coal-bearing strata have important hydrocarbon generation potential and contribute to more than 12% of the global hydrocarbon resources. However, the deposition...
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Central environmental protection inspection and carbon emission reduction: A tripartite evolutionary game model from the perspective of carbon neutrality
Available online 13 November 2023
Since the carbon neutrality target was proposed, many countries have been facing severe challenges to carbon emission reduction sustainably. This study is conducted using a tripartite evolutionary game...
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Machine learning for carbonate formation drilling: Mud loss prediction using seismic attributes and mud loss records
Available online 13 November 2023
Due to the complexity and variability of carbonate formation leakage zones, lost circulation prediction and control is one of the major challenges of carbonate drilling. It raises well-control risks...
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Quantitative prediction model for the depth limit of oil accumulation in the deep carbonate rocks: A case study of Lower Ordovician in Tazhong area of Tarim basin
Available online 11 November 2023
With continuous hydrocarbon exploration extending to deeper basins, the deepest industrial oil accumulation was discovered below 8,200 m, revealing a new exploration field. Hence, the extent to which...
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Dynamic interwell connectivity analysis of multi-layer waterflooding reservoirs based on an improved graph neural network
Available online 11 November 2023
The analysis of interwell connectivity plays an important role in the formulation of oilfield development plans and the description of residual oil distribution. In fact, sandstone reservoirs in China's...
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Intelligent geochemical interpretation of mass chromatograms: Based on convolution neural network
Available online 11 November 2023
Gas chromatography-mass spectrometry (GC-MS) is an extremely important analytical technique that is widely used in organic geochemistry. It is the only approach to capture biomarker features of organic...
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Phase behavior of gas condensate in porous media using real-time computed tomography scanning
Available online 11 November 2023
The phase behavior of gas condensate in reservoir formations differs from that in pressure–volume–temperature (PVT) cells because it is influenced by porous media in the reservoir formations. Sandstone...
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Preparation and performance evaluation of the slickwater using novel polymeric drag reducing agent with high temperature and shear resistance ability
Available online 10 November 2023
Slickwater fracturing fluids are widely used in the development of unconventional oil and gas resources due to the advantages of low cost, low formation damage and high drag reduction performance. However,...
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Accurate simulations of pure-viscoacoustic wave propagation in tilted transversely isotropic media
Available online 10 November 2023
Forward modeling of seismic wave propagation is crucial for the realization of reverse time migration (RTM) and full waveform inversion (FWI) in attenuating transversely isotropic media. To describe...
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Hydrocarbon gas huff-n-puff optimization of multiple horizontal wells with complex fracture networks in the M unconventional reservoir
Available online 5 November 2023
The oil production of the multi-fractured horizontal wells (MFHWs) declines quickly in unconventional oil reservoirs due to the fast depletion of natural energy. Gas injection has been acknowledged...
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A comparative study for petroleum removal capacities of the bacterial consortia entrapped in sodium alginate, sodium alginate/poly(vinyl alcohol), and bushnell haas agar
Available online 4 November 2023
The purpose of this study was to identify and compare the degradation efficiencies of free and entrapped bacterial consortia (Staphylococcus capitis CP053957.1 and Achromobacter marplatensis MT078618.1)...
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Inter-stage performance and energy characteristics analysis of electric submersible pump based on entropy production theory
Available online 2 November 2023
The electric submersible pump (ESP) is a crucial apparatus utilized for lifting in the oil extraction process. Its lifting capacity is enhanced by the multi-stage tandem structure, but variations in...
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