15 Result(s)
within
Conference Paper
**-Hua Du
Engineering
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Chapter and Conference Paper
Research on the Technology of Improving Flowback Performance of Fracturing Cleanup Additive
In order to enhance the flowback efficiency of fracturing fluid in the formation, improve the effect of oil well fracturing stimulation; we closed the more expensive non – ionic fracturing cleanup additive FT ...
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Chapter and Conference Paper
Fracture Characteristics and Quantitative Prediction of Sand-Mudstone Interbedded Tight Reservoir
The rocks of Bashjiqike Formation in Kuqa depression are thick-very thick-bedded sandstones interbedded with siltstone and thin-bedded mudstone. The structural fractures are well developed in the formation, wh...
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Chapter and Conference Paper
Contrast Experiment of Logging Curves Between Formation Electromagnetic Signal and Formation Apparent Resistivity in Casing Well
The transient electromagnetic through-casing resistivity technology is applied to work at contactless and continuous measurement, providing formation resistivity of different exploration depths with time slice...
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Chapter and Conference Paper
Failure Mechanism of Fractured Rock and Quantitative Prediction of Multi-stage Fractures
The structural fractures were well developed in the Bashijiqike Formation of the Keshen area, which were caused by multi-stage tectonic movements. The spatial distribution of the structural fractures was very ...
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Chapter and Conference Paper
Sedimentary System of Lower Cretaceous in Doseo Depression, South Chad Basin
It has been made an exploration breakthrough in Doseo Depression of South Chad Basin. However, the exploration degree of Doseo Depression is extremely low, and the study on structure, sedimentation and accumul...
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Chapter and Conference Paper
Experimental Study on Mass Stabilization of Soft Soil Foundation Based on MgO-CO2 Carbonation Technology
Mucky soft soil with weak properties was usually improved by the chemical stabilization owing to the high cost of the situ replacement, and the main chemical binder used was Portland cement (PC). However, with...
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Chapter and Conference Paper
Application of OVT Seismic Fracture Prediction Technology in Shale Oil Reservoir of Ordos Basin
Abundant shale oil resources are developed in Chang 7 layer of Qingcheng oilfield in Ordos Basin, which has become an important resource guarantee for oilfield development. It is of great significance for shal...
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Chapter and Conference Paper
Damage Information of Fiber Reinforced Concrete Based on Digital Image 3D-DIC Technology
The meso-scale study can reflect the failure nature of fiber reinforced concrete, and the meso-level analysis can be used as the basis for the study of macro-mechanical response of concrete under load. With th...
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Chapter and Conference Paper
Experimental Study of Mach Reflection in Cellular Detonation of C2H2–O2–8.17Ar
Mach reflection of detonation waves is an important and complex phenomenon in gaseous detonation field, which usually happens when a detonation wave propagates in a convergent channel. The Mach reflection also...
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Chapter and Conference Paper
Contractive ML-ELM for Invariance Robust Feature Extraction
Extreme Learning Machine (ELM), a single hidden layer feedforward neural networks works efficiently in many areas such as machine learning, pattern recognition, natural language processing, et al. due to its p...
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Chapter and Conference Paper
The Method of Time Synchronization between Telecommunication Base Stations with GPS Common View
According to the demand of the navigation system of China telecom to realize high precision time synchronization between adjacent base stations, we come up with the method of long distance time transfer using ...
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Chapter and Conference Paper
Research on Visual Weld Trace Detection Method Based on Invariant Moment Features
A visual weld trace detection method based on invariant moment features is proposed in this paper for cosmetic welding inspection. The proposed method can not only overcome the absence of distortion in structu...
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Chapter and Conference Paper
An Improved CUSUM Algorithm in Cognitive Radio
In this paper, the conventional primary user signal detection algorithms’ common weakness and advantages of the primary user signal detection scheme based on CUSUM algorithm are analyzed. To avoid the statisti...
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Chapter and Conference Paper
A Flocculation and Deposit Model of Asphaltene in Porous Media for Damage Evaluation
The flocculation and deposit of asphaltene in porous media is concerned all the time by researchers home and overseas; because of its complexity, the study of testing method, flocculation and deposit theory is a ...
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Chapter and Conference Paper
Brushless DC Motor Speed Fuzzy Adaptive Control System
For brushless DC motor speed control accuracy is not high, this paper adapts adaptive fuzzy PID control method to control rotation speed and the current double speed closed-loop speed control systems, combine ...
