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170 Result(s)
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Chapter and Conference Paper
Application Conditions of Binomial Regression Method for Reserves Evaluation of Geopressured Gas Reservoirs
Because the binomial regression reserve evaluation method for geopressured gas reservoirs is only dependent on pressure and production data, which is simple and practical, it is widely used for reserve evaluat...
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Chapter and Conference Paper
Geological Characteristics Analysis of the Taiyuan Limestone Gas Reservoir in Zizhou-Qingjian Area, Ordos Basin
In Zizhou-Qingjian area, Ordos Basin, the Taiyuan limestone of Early Permian has good exploration prospects. The breakthrough of well A*1H has heighten confidence in limestone reservoir exploration. Geological...
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Chapter and Conference Paper
Multi-objective Wolf Pack Algorithm Based on Random Scouting and Hierarchical Learning
Since the wolf pack algorithm has the advantages of fast convergence and good robustness in solving single-objective problems, we propose a multi-objective wolf pack algorithm based on random scouting and hier...
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Chapter and Conference Paper
Mechanism Design of a Self-submersible Planetary Drilling and Sampling Robot
With the continuous development of planetary exploration, penetrating the planetary regolith into the deep subsurface has become increasingly important. A self-submersible planetary drilling and sampling robot...
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Chapter and Conference Paper
Er-EIR: A Chinese Question Matching Model Based on Word-Level and Sentence-Level Interaction Features
The semantic matching of questions is a fundamental aspect of retrieval-based question answering (QA) systems. Text representations containing rich semantic information are required to achieve a deeper underst...
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Chapter and Conference Paper
Effect of Schroth Exercise on Pulmonary Function and Exercise Capacity in Patients with Severe Adolescent Idiopathic Scoliosis
Purpose: This study aimed to investigate the effect of Schroth exercise on pulmonary function and exercise capacity in patients with severe adolescent idiopathic scoliosis (AIS). Methods: Forty subjects with seve...
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Chapter and Conference Paper
Simulation Analysis of Mechanical Properties of Grafted Polypropylene Cable
Polypropylene (PP) is an excellent environmental-friendly cable insulation material with a high melting point, low density, excellent electrical insulation properties, and recyclability. The mechanical propert...
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Chapter and Conference Paper
Design and Simulation of Intelligent Matching Algorithm for Online Primary School Mathematics Curriculum Based on Deep Learning
With the continuous development of new information technologies such as big data, cloud computing, and Internet of Things, people's access to knowledge and information has undergone profound changes. New conce...
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Chapter and Conference Paper
Fish Swarm Algorithm Based Reflecting Surface Adjustment Strategy for Radio Telescopes
In this paper, a method for shape adjustment of active reflector panels of radio telescopes under certain constraints is proposed based on the artificial fish swarm algorithm, and a double Gaussian function is...
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Chapter and Conference Paper
Identification of Low-Efficiency and Invalid Injected Water Circulation Channels in an Oilfield in Qaidam Basin
The oil field being studied in the Qaidam Basin is currently one of the main oil fields in Northwest China. It has a long oil-bearing interval, a thin reservoir thickness, a small sand body size, and a high de...
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Chapter and Conference Paper
Study on Structural and Sedimentary Characteristics and Hydrocarbon Accumulation Conditions of Carbonate Rocks in the Southeastern Margin Slope Belt of the Pre-caspian Basin
Some carbonate structural oil and gas reservoirs have been discovered in the Pre-salt Carboniferous carbonate strata in the southeastern margin of the Pre-Caspian Basin. However, few efforts have been put on a...
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Chapter and Conference Paper
Optimization of Well Types and Trajectories for Development of Stratified Carbonate Gas Reservoirs
The type and trajectory optimization of development well is of great significance for the development of gas reservoirs, which is related to the work in many aspects, such as the number of development wells, w...
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Chapter and Conference Paper
State-Integration Neural Network for Modeling of Forced-Vibration Systems
Dynamic analysis of forced-vibration systems could be computationally inefficient or even difficult to converge if the systems are highly complicated. Rapid advances in machine learning make it possible to est...
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Chapter and Conference Paper
Reservoir Identification and Classification Based on Principal Component Analysis and Supervised Neural Network in Carbonate Rocks
Carbonates always have complex reservoir space and diverse pore structure, so it is difficult to accurately identify and classify the carbonate reservoirs. Therefore, a fusion method combining principal compon...
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Chapter and Conference Paper
Fine Prediction and Characterization of Lithology-Reservoir-Fluid in Southeastern Margin Slope Belt of the Pre-Caspian Basin
As the exploration target is shifted to the eastern slope belt of the southeast depression zone in the Pre-Caspian Basin, the sub-salt structural-lithologic reservoirs of carbonate beach facies under the slope...
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Chapter and Conference Paper
Research on the Effect of Combined Cutters of PDC Bit on Cutting Efficiency
Polycrystalline diamond compact (PDC) bits have changed the way to cut rock comparing to the roller cone bits, occupying a large market in oil and gas drilling. PDC cutter is made of diamond layer and tungsten...
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Chapter and Conference Paper
Non-coaxial Behaviour of Clay Subjected to Cyclic Simple Shear Loading
Non-coaxiality refers to the non-coincidence of the principal stress direction and the principal plastic strain rate. In order to quantitatively investigate the non-coaxial behaviour of clay under cyclic loadi...
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Chapter and Conference Paper
Distribution Pattern and Development Strategies of Structural Remaining Oil in Fracture-Vuggy Reservoirs
The development of Tahe fracture vuggy Carbonate rock reservoir has entered the middle and late stage, and the development object has changed to the fracture vuggy reservoir with “smaller scale”, “lower struct...
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Chapter and Conference Paper
Control the Migration of Self-propelling Particles in Thermal Turbulence via Reinforcement Learning Algorithm
Planning energy-efficient trajectories can significantly benefit unmanned aerial vehicles (UAVs) by increasing their endurance. Inspired by birds that exploit warm rising atmospheric currents, flying vehicles ...
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Chapter and Conference Paper
A General Source Code Vulnerability Detection Method via Ensemble of Graph Neural Networks
Deep neural networks have been recently utilized in source code vulnerability detection methods due to their automated feature learning capabilities. However, current deep vulnerability detection models heavil...