Hydrothermally stable mesoporous aluminosilicates as superior FCC catalyst: From laboratory to refinery
Available online 2 December 2022
Well-ordered aluminosilicates (MAs) were prepared by in-situ assembly of pre-crystallized units of zeolite Y precursors at a commercial scale, and applied in an industrial fluid catalytic cracking unit...
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Rock mechanical properties of coal in cryogenic condition
Available online 1 December 2022
Liquid nitrogen (LN2) fracturing is a kind of non-aqueous fracturing technology, which is expected to provide a new and efficient way for coalbed methane (CBM) development. The mechanical properties...
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Effects of the properties of FCCS on the removing of catalyst particles from FCCS under a DC electrostatic field
Available online 30 November 2022
Catalytic cracking is the main method to lighten heavy crude oil, this process can produce high quality oil products such as gasoline and diesel, but also produces a large amount of fluid catalytic...
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Differential tectonic evolution and formation mechanism of three sub-sags in Wenchang Sag of Pearl River Mouth Basin, South China Sea
Available online 28 November 2022
Notable differences in the structural characteristics and evolution of three adjacent sub-sags, i.e., the Wenchang sub-sags A, B, and C, on the downthrown side of the Zhu III South Fault in the Wenchang...
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Produced-water treatment: Application and research of combined fiber coalescence technique in offshore oilfield
Available online 26 November 2022
When the process of extraction of oil from an offshore oilfield enters the advanced stages, the water content in the extracted fluid can be above 90%. The water quality is complex with many types of...
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Hydrocarbon expulsion model and resource potential evaluation of high-maturity marine source rocks in deep basins: Example from the Ediacaran microbial dolomite in the Sichuan Basin, China
Available online 25 November 2022
Hydrocarbon expulsion features and resource potential evaluation of source rocks are crucial for the petroleum exploration. High-maturity marine source rocks have not exhibited a hydrocarbon expulsion...
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Thermal conductive proppant with self-suspension ability
Available online 25 November 2022
The in-situ mining technology is applied to the exploitation of medium- and low-maturity shale oil, which can use heaters to warm up the oil shale formations and pyrolyze the kerogen. Due to the low...
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Occurrence state and oil content evaluation of Permian Fengcheng Formation in the Hashan area as constrained by NMR and multistage Rock-Eval
Available online 24 November 2022
The Hashan area, neighboring the Mahu Sag that is rich in the shale oil resources, showed commercial oil flow in the corresponding lacustrine shales of the Lower Permian Fengcheng Formation (P1f) with...
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The role of Cr content on the corrosion resistance of carbon steel and low-Cr steels in the CO2-saturated brine
Available online 24 November 2022
The selection of appropriate materials for the transportation pipelines is of vital importance to ensure the safety operation in Carbon Capture, Utilisation and Storage (CCUS). To clarify the effects...
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Chelators to assist the high dispersion of Ni2P particles over mesoporous silica nanospheres for hydrogenating reaction
Available online 24 November 2022
Ni2P supported catalysts exhibit high catalytic activities in hydrogenation reaction, of which the particle sizes of Ni2P active phases are the key influential factor. This research focus on the effect...
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Polymer efficiency and sulfate concentration for hybrid EOR application to an acidic carbonate reservoir
Available online 24 November 2022
Polymers play an important role in hybrid enhanced oil recovery (EOR), which involves both a polymer and low-salinity water. Because the polymer commonly used for low-salinity polymer flooding (LSPF)...
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Rare earth elemental and Sr isotopic evidence for seawater intrusion event of the Songliao Basin 91 million years ago
Available online 24 November 2022
Petrogenesis of lacustrine dolostone is closely related with paleo-lake water conditions. Here we report the high spatial-resolution petrographic and geochemical results of a lacustrine dolomite nodule...
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Flow characteristics and regime transition of aqueous foams in porous media over a wide range of quality, velocity, and surfactant concentration
Available online 20 November 2022
Aqueous foam is broadly applicable to enhanced oil recovery (EOR). The rheology of foam as a function of foam quality, gas and liquid velocities, and surfactant concentration constitute the foundation...
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High-precision nonisothermal transient wellbore drift flow model suitable for the full flow pattern domain and full dip range
Available online 19 November 2022
A reliable multiphase flow simulator is an important tool to improve wellbore integrity and production decision-making. To develop a multiphase flow model with high adaptability and high accuracy, we...
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Surface-functionalized cellulose nanocrystals (CNC) and synergisms with surfactant for enhanced oil recovery in low-permeability reservoirs
Available online 15 November 2022
Nanocellulose, a natural polymeric nanomaterial, has attracted significant attention in enhanced oil recovery (EOR) applications due to its abundance, nanoscale, high oil–water interfacial adsorption...
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The influence of multi-metal-veins on fractures propagation investigated by the experiment and simulation
Available online 11 November 2022
Fracture propagation is affected by multi-metal-veins formed by geological diagenesis in shale during the hydraulic fracturing. However, the influence of multi-metal-veins on fractures propagation remains...
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A developed transient gas–liquid–solid flow model with hydrate phase transition for solid fluidization exploitation of marine natural gas hydrate reservoirs
Available online 11 November 2022
The multiphase flow characteristic is one of the most concerning problems during solid fluidization exploitation of marine natural gas hydrate reservoirs. In this research, a new transient gas–liquid–solid...
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High-resolution coupling of stratigraphic sweet spot lithofacies and petrophysical properties: A multiscale study of Ordovician Goldwyer Formation, Western Australia
Available online 10 November 2022
Stratigraphic ‘sweet spot’ identification is significant in oil and gas formation evaluation. However, formation evaluation in macroscopic-scale merely provides low resolution and limited information,...
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Extraction of pipeline defect feature based on variational mode and optimal singular value decomposition
Available online 9 November 2022
Because the magnetic signal information of pipeline defects obtained by magnetic flux leakage detection contains interference signals, it is difficult to accurately extract the features. Therefore,...
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Organic matter accumulation in lacustrine shale of the Permian Jimsar Sag, Junggar Basin, NW China
Available online 9 November 2022
The lacustrine organic -rich shale in the Permian Lucaogou (LCG) Formation of the Jimsar Sag, Junggar Basin, is one of the main shale oil plays in China. In this paper, geological and geochemical research...
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The application of Gaussian distribution deconvolution method to separate the overlapping signals in the 2D NMR map
Available online 8 November 2022
The 2D NMR (T1-T2) mapping technique, which can be used to separate different proton populations from various sources (hydroxyls, solid organic matter, free water, and free HC) has gained attention...
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A novel nanofluid of modified carbon black nanoparticles for enhanced oil recovery in low permeability reservoirs
Available online 5 November 2022
A novel nanofluid of modified carbon black (MCB) nanoparticles was initially developed for enhanced oil recovery (EOR) in low permeability reservoirs. The MCB nanoparticles were obtained via a three-step...
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Experimental investigation on the enhanced oil recovery efficiency of polymeric surfactant: Matching relationship with core and emulsification ability
Available online 5 November 2022
The polymeric surfactant can be used as an efficient agent for enhanced oil recovery (EOR) because of its large bulk viscosity and good interfacial activity. However, there is a sparse understanding...
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Simulation study of supercritical carbon dioxide jet fracturing for carbonate geothermal reservoir based on fluid-thermo-mechanical coupling model
Available online 5 November 2022
Geothermal energy is a kind of renewable, sustainable and clean energy resource. Geothermal energy is abundant in carbonate reservoirs. However, low matrix permeability limits its exploitation. The...
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Low-field NMR inversion based on low-rank and sparsity restraint of relaxation spectra
Available online 4 November 2022
In this paper, we proposed a novel method for low-field nuclear magnetic resonance (NMR) inversion based on low-rank and sparsity restraint (LRSR) of relaxation spectra, with which high quality construction...
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