13,864 Result(s)
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Chapter
Cobalt-Catalyzed C-H Functionalization of Heterocycles
Transition-metal-catalyzed C-H activation has emerged as an efficient method for the functionalization of organic compounds over the past years. This method avoids the prefunctionalization steps of traditional...
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Chapter and Conference Paper
The Oil-Water Distribution During Flooding in High Temperature and High Salt Reservoir Using NMR T1-T2 Maps
The oil-water distribution is essential for evaluating the oil displacement effect and development potential during flooding in high temperature and high salt reservoir. Low-field nuclear magnetic relaxometry(...
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Chapter and Conference Paper
Analysis on Main Controlling Factors of Fracturing Effect of Fengxi Tight Oil
In Fengxi tight oil field of Qaidam Basin, long horizontal well + close cut volume fracturing is the main technology, which has achieved certain results. However, there are still some problems, such as unclear...
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Chapter and Conference Paper
Theoretical Design of a Broad Band Helically Corrugated Waveguide Gyro-TWA
The results of simulation study of a Ka-band 3-fold helically corrugated waveguide (HCW) gyro-TWT operating at second harmonic TE11 mode are presented. The maximum output power of 153.7 kW at 29 GHz with a satura...
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Chapter and Conference Paper
Discussion of “Strong Column—Weak Beam” in Capacity Design Method
The ideal failure mode of structures under strong earthquakes is one of the key factors to achieve the seismic fortification goal. The capacity design method is an important tool to ensure the failure mode of ...
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Chapter and Conference Paper
A Compact Graphene-Based Hot Electron Bolometer System for Terahertz Radiation Detection
In this paper, we present the development of a compact hot electron bolometer (HEB) system for terahertz radiation detection. The bolometer system integrates a graphene-based HEB as its core detection unit and...
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Chapter and Conference Paper
Study of W-Band Extended Interaction Klystron with Tapered Coupler
An extended interaction klystron with novel tapered coupler operating at 93.6GHz is proposed in this study. The transmission coefficient of the tapered coupler is analyzed, and the parameterized design is comp...
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Chapter and Conference Paper
Application of Near-Bit LWD Gamma Image Logging in Horizontal Coalbed Methane Reservoir
For judging the formation lithology accurately, guiding the tool to drill in target reservoir, correcting drilling trajectory timely and improving the encounter rate, a near-bit 16-sector imaging LWD system th...
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Chapter and Conference Paper
Geological Feasibility and Operating Index Design of Volatile Oil Reservoir into Underground Gas Storage: Case Study of M Block in Jidong Oilfield
At present, there is no precedent for reconstruction of Volatile Oil Reservoir into Underground Gas Storage (UGS) at home and abroad. Utilizes oil reservoirs to rebuild gas storage can fully utilize the mechan...
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Chapter and Conference Paper
Characteristics Analysis and “Dual Quality” Logging Evaluation of Wufeng-Longmaxi Shale Gas Reservoir in Taiyang-Dazhai Area
Based on the conventional logging data (density, neutron, acoustic, gamma ray, spectrum gamma ray, resistivity), special logging data (LithoScanner logging) and core experiment data (X-ray diffraction, Langmui...
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Chapter and Conference Paper
Marine–Continental “Source-Sink” Depositional Systems and Hydrocarbon Accumulation in Termit Basin, Niger
Based on seismic and drilling data, core samples, geophysical attributes and previous researches (including fossils and geochemical analysis results published), this paper analyzes the depositional system of T...
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Chapter and Conference Paper
The Practice of Artificial Intelligence Education for Non-computer Science Majors in Universities
Due to the extensive impact of AI technology on various disciplines, universal AI education has become an urgent demand, while the liberal education in AI is still in its infancy, plagued by multiple problems ...
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Chapter and Conference Paper
Development and Application of Friction and Torque Reduction Tools for Extended Reach Well
In Jidong Oilfield deviated well in drilling in the construction process of friction torque and the casing wear problem, design a lower friction torque and protective sleeve degrading antifriction torsion tool...
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Chapter and Conference Paper
Research on Optimization Design of Low Reynolds Number Airfoils Based on CFD
Laminar airfoil has extensive application prospect because of its low drag characteristic. In order to optimize the high lift-drag ratio airfoils of solar powered unmanned aerial vehicles in near space at low ...
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Chapter and Conference Paper
Research and Practice on CCUS Process Supporting Technology for Heavy Oil Bottom Water Reservoirs
The implementation of CCUS measures in heavy oil bottom water reservoirs entering the stage of ultra-high water cut development can effectively improve reservoir recovery, achieve safe carbon storage in geolog...
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Chapter and Conference Paper
Generation Method of Dynamic Alarm Baseline for Cloud Server Based on XGBoost and Tolerability
In order to solve the problem that massive server alarm management of cloud data centers in electric power enterprises cannot adapt to the personalized operation of cloud business and lean equipment management...
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Chapter and Conference Paper
Fracability Evaluation of Ganchaigou Shale Oil Reservoir in Yingxiongling
Effective evaluation of the ability of reservoirs to form complex fracture networks is the foundation for shale oil extraction. Currently, there is no effective evaluation method or system developed domestical...
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Chapter and Conference Paper
Frequency-Decomposed Multi-seismic-Attributes RGB Fusion Technology Applied for the Paleogene Sokor Formation Reservoir Prediction in K Area, Termit Basin, Niger
The study area K is located in the center of the Fana Low Uplift in the Termit Basin, Niger, which is known as one of hydrocarbon-prone zones in this basin, where the oil producing Paleogene Sokor reservoir is...
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Chapter and Conference Paper
Enhancement of IRS-Assisted Wireless Localization System in NLOS Conditions
In this paper, a millimeter-wave wireless localization model assisted by IRS is developed to explore the wireless localization problem under NLOS conditions. By deriving and analyzing the Fisher information ma...
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Chapter and Conference Paper
Conceptual Design and Analysis of a Novel Magnetic Braking Descent Device
This paper presents a magnetic braking descent device that includes a webbing winding mechanism, a speed-increasing mechanism, and an axial flux permanent magnet (AFPM) eddy current braking mechanism. The desi...
