云南高校图书馆联盟文献共享服务平台- SLOWNESS

SLOWNESS: 作品数：14被引量：29H指数：4; 导出分析报告; 相关领域：天文地球更多>>; 相关作者：刘鹤张阔岳文正王兵宋雪娟更多>>; 相关机构：中国石油大学(北京)中国电子信息产业发展研究院北京科技大学中国石油天然气集团公司更多>>; 相关期刊：《Applied Mathematics and Mechanics(English Edition)》《Journal of Applied Mathematics and Physics》《Chinese Journal of Chemical Engineering》《Earthquake Science》更多>>; 相关基金：国家自然科学基金国家高技术研究发展计划上海市教委科研基金更多>>

Transferable adversarial slow feature extraction network for few-shot quality prediction in coal-to-ethylene glycol process: 《Chinese Journal of Chemical Engineering》2024年第7期258-271,共14页Cheng Yang Chao Jiang Guo Yu Jun Li Cuimei Bo; supported by the National Natural Science Foundation of China(62333010,61673205).; In the coal-to-ethylene glycol(CTEG)process,precisely estimating quality variables is crucial for process monitoring,optimization,and control.A significant challenge in this regard is relying on offline laboratory ana...; 关键词：Chemical process Neural networks Slowness principle Transfer learning Prediction

Uncertainty and explainable analysis of machine learning model for reconstruction of sonic slowness logs: 《Artificial Intelligence in Geosciences》2023年第1期182-198,共17页Hua Wang Yuqiong Wu Yushun Zhang Fuqiang Lai Zhou Feng Bing Xie Ailin Zhao; supported by National Natural Science Foundation of China(Grant Numbers:41974150 and 42174158);a Supporting Program for Outstanding Talent of the University of Electronic Science and Technology of China(No.2019-QR-01);a Project of Basic Scientific Research Operating Expenses of Central Universities(ZYGX2019J071 and ZYGX2020J013);an International Cooperation Project supported by Chengdu City Government(No.2022-GH02-00049-HZ).; Logs are valuable information for oil and gas fields as they help to determine the lithology of the formations surrounding the borehole and the location and reserves of subsurface oil and gas reservoirs.However,import...; 关键词：Missing log construction Ensemble learning NGBoost Quality control

Extraction method of component waves in full waveform acoustic data and its application: 《Global Geology》2020年第1期16-23,共8页ZHOU Haoyi MO Xiuwen; Supported by the National High Technology Research and Development of China(863 Programme)(No.2013AA092501); In conventional slowness-time coherence(STC)method,slowness and time need to be searched at the same time,which limits the precision and lowers the efficiency.The dichotomy method combined with slowness-time coherence...; 关键词：array acoustic logging slowness extraction slowness-time coherence method optimized algorithm

Acoustic Based Crosshole Full Waveform Slowness Inversion in the Time Domain被引量：2: 《Journal of Applied Mathematics and Physics》2018年第5期1086-1110,共25页Wensheng Zhang Atish Kumar Joardar; We develop a new full waveform inversion (FWI) method for slowness with the crosshole data based on the acoustic wave equation in the time domain. The method combines the total variation (TV) regularization with the c...; 关键词：ACOUSTIC Wave Equation CROSSHOLE Full WAVEFORM INVERSION SLOWNESS BOUND Constraints TV Regularization

Study on the simulation of acoustic logging measurements in horizontal and deviated wells被引量：7: 《Applied Geophysics》2017年第3期337-350,459,共15页刘鹤王兵陶果张阔岳文正; supported by National Natural Science Foundation of China(No.41204094);Science Foundation of China University of Petroleum,Beijing(No.2462015YQ0506); The conventional acoustic logging interpretation method, which is based on vertical wells that penetrate isotropic formations, is not suitable for horizontal and deviated wells penetrating anisotropic formations. This...; 关键词：Horizontal well deviated well high velocity layer cuttings bed acoustic slowness estimation

Application of 3D stereotomography to the deep-sea data acquired in the South China Sea:a tomography inversion case被引量：2: 《Applied Geophysics》2017年第1期142-153,191,192,共14页邢逢源杨锴薛冬汪小将陈宝书; funded by China Natural Science Foundation(Nos.41574098 and 41630964);China key specialized project(No.2016ZX05026-001-03); A 3D stereotomography algorithm, which is derived from the 3D Cartesian coordinate, is applied for the first time to the deep-sea data acquired in the LH area, South China Sea, to invert a macro velocity model for pre...; 关键词：3D stereotomography structure tensor extraction of horizontal components of slowness REGULARIZATION

Propagation, reflection, and transmission of SH-waves in slightly compressible, finitely deformed elastic media: 《Applied Mathematics and Mechanics(English Edition)》2015年第8期1045-1056,共12页M.CHATTERJEE A.CHATTOPADHYAY; The propagation, reflection, and transmission of SH waves in slightly com- pressible, finitely deformed elastic media are considered in this paper. The dispersion relation for SH-wave propagation in slightly compressi...; 关键词：slightly compressible SH wave PROPAGATION INHOMOGENEITY reflection transmission slowness section

Tomographic inversion for microseismic source parameters in mining被引量：5: 《Applied Geophysics》2012年第3期341-348,362,共9页缪华祥姜福兴宋雪娟杨淑华焦俊如; supported jointly by projects of the National Natural Science Fund Project(No.51174016);the National Key Basic Research and Development Plan 973(No.2010CB226803); We propose a new method for inverting source function of microseismic event induced in mining. The observed data from microseismic monitoring during mining are represented by a wave equation in a spherical coordinate ...; 关键词：Tomographic image microseismic event source function source spectrum the time-slowness domain

Studies on phase and group velocities from acoustic logging被引量：5: 《Applied Geophysics》2012年第1期108-113,117,共7页王晶陈德华张海澜张秀梅何晓王秀明; supported by the National Natural Science Foundation of China (Grant No. 40774099, 10874202 and 11134011);National 863 Program of China (Grant No. 2008AA06Z205); It is still argued whether we measure phase or group velocities using acoustic logging tools. In this paper, three kinds of models are used to investigate this problem by theoretical analyses and numerical simulations...; 关键词：Acoustic logging slowness-time coherence phase velocity group velocity dispersion curve

Matrix porosity calculation in volcanic and dolomite reservoirs and its application被引量：8: 《Applied Geophysics》2009年第3期287-298,301,共13页Li Ning Wu Hongliang Feng Qingfu Wang Kewen Shi Yujiang Li Qingfeng Luo Xinping; sponsored by the Science Research and Technology Development Project of Petrochina Company Limited "Well Logging Interpretation and Integrative Evaluation of the Complex Lithology"(Grant No.2008A-2705); Matrix porosity calculations of fractured and vuggy reservoirs, such as volcanics and weathered dolomite, are one of the problems urgently needed to solve in well-log evaluation. In this paper, we first compare the an...; 关键词：POROSITY acoustic slowness VOLCANICS CARBONATES

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