137 Result(s)
within
Hong-** Liang
Earth Sciences
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Article
Temperate Stutzerimonas Phage Encoding Toxin-Antitoxin System Genes Represents a Novel Genus
Stutzerimonas have been extensively studied due to their remarkable metabolic and physiological diversity. However, research on its phages is currently limited. In this study, we isolated a novel double-stranded ...
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Article
Design and Implementation of Closed-Loop Control of Vector Force in Static Push-the-bit Rotary Steering System
Rotary steering systems (RSSs) have been increasingly used to develop horizontal wells. A static push-the-bit RSS uses three hydraulic modules with varying degrees of expansion and contraction to achieve chang...
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Article
Potassium isotopic evidence for recycling of surface water into the mantle transition zone
Global water cycling involves interactions between Earth’s interior and its surface environment. Geophysical and mineral physics studies have suggested that the mantle transition zone is hydrous, at least loca...
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Article
Research on the differential coefficient least-squares optimization method of reverse time migration in acoustic-reflected S-wave imaging logging
The numerical dispersion phenomenon in the finite-difference forward modeling simulations of the wave equation significantly affects the imaging accuracy in acoustic reflection logging. This issue is particula...
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Article
An interpretable and high-precision method for predicting landslide displacement using evolutionary attention mechanism
Precise and reliable displacement prediction is essential for preventing landslide disasters, but the evolution of landslides is a dynamic process influenced by diverse factors at different stages. Despite adv...
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Article
Surface wave suppression through deformable convolutional wavelet transform network with residual dense blocks
Surface wave suppression plays a vital role in enhancing the quality of reflection seismic exploration. Convolutional neural networks (CNNs) can adaptively learn the characteristics of effective signals and su...
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Article
Open AccessRemote effects of Tibetan Plateau spring land temperature on global subseasonal to seasonal precipitation prediction and comparison with effects of sea surface temperature: the GEWEX/LS4P Phase I experiment
The prediction skill for precipitation anomalies in late spring and summer months—a significant component of extreme climate events—has remained stubbornly low for years. This paper presents a new idea that ut...
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Article
Regional climate model intercomparison over the Tibetan Plateau in the GEWEX/LS4P Phase I
Results from eight regional climate models (RCMs) participating in the Impact of Initialized Land Temperature and Snowpack on Sub-seasonal to Seasonal Prediction (LS4P) initiative of the Global Energy and Wate...
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Article
Open AccessStudy of the Dynamic Failure Characteristics of Anisotropic Shales Under Impact Brazilian Splitting
The mechanical behaviors of shales with transversely isotropic characteristics under dynamic loading have great significance for structural instability in geotechnical engineering. To understand the effect of ...
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Article
The Relationships Between Danxia Geoheritages and Regional Tectonics in Southern Sichuan Basin: Implications for the Spatial Distribution of Danxia Landforms in China
The Danxia geoheritage has emerged as a compelling subject of study, while the Tethys-Himalayan tectonic domain continues to captivate scholarly attention. However, a noteworthy gap exists in the literature co...
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Article
Open AccessPredicting discharge coefficient of weir–orifice in closed conduit using a neuro-fuzzy model improved by multi-phase PSOGSA
This study investigates the viability of a strong algorithm (PSOGSA) merging particle swarm optimization (PSO) and gravity search algorithm (GSA) in tuning adaptive neuro-fuzzy system (ANFIS) parameters for mo...
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Chapter and Conference Paper
Mechanism and Characteristics Analysis of Water-Producing Tight Gas Well in Daning-Jixian Block
There is generally no unified gas-water interface in tight sandstone gas reservoirs. The micro-scale reservoir is dominated by gas-water mixed storage. On the macro scale, there are small lens-shaped water bod...
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Chapter and Conference Paper
Intelligent Prediction Technology for Production of Tight Oil Based on Data Analysis
China is rich in tight oil resources, with a wide distribution range and a large amount of resources, making it one of the key areas for strategic replacement of future oil reserves and production. In response...
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Chapter and Conference Paper
Hydrodynamic Oscillator Mechanism Research and Field Application
To solve the problem of high friction and high pressure during drilling, and to improve the drilling speed of sliding drilling machinery, this paper researches the mechanism of hydraulic oscillator by using nu...
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Chapter and Conference Paper
Experimental and Numerical Simulation of Water-Flooding Features and Remaining Oil Distribution in Water-Wet Sandstones
In this paper, two water-wet sandstone samples with similar microscopic pore structures were selected, and X-ray CT core flooding experiment under relatively low and relatively high flooding rates were performed
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Chapter and Conference Paper
Research on Elastic Wave Reverse Time Migration Method for Single Component Data
The seismic waves propagating in actual earth media include longitudinal and transverse waves, which are coupled together and have vector characteristics of multi-wave and multi-component. At present, land sei...
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Chapter and Conference Paper
Construction and Application of Reservoir Dynamic Monitoring Data Management System Based on Cloud Primitive Architecture
The original reservoir dynamic monitoring data management system of Changqing Oilfield was built in 2008. With the continuous development of oilfield, dynamic monitoring technology is also develo**, business...
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Chapter and Conference Paper
Research and Application of Low-Cost Early Sand Stabilization Completion Technology for Loose Sandstone
In response to the problem of short effective period of sand control caused by the migration of sandstone and fine sandstone in loose sandstone reservoirs with medium and high shale content, low-cost early san...
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Chapter and Conference Paper
Remote Synchronization of Logging Data Based on ZeroC Ice Framework
Logging data plays a vital role in geological research and tracking analysis while drilling in the oilfield. In recent years, Changqing Oilfield has continued to increase reserves and production, and developed...
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Chapter and Conference Paper
Optimization and Application of Directional Well Beam Pum** Unit Model
At present, more than 90% of the total number of directional wells in the newly put into operation block of Y Oilfield are directional wells. The wellbore structure of directional wells causes complex mechanic...
