云南高校图书馆联盟文献共享服务平台- PRESTACK

PRESTACK: 作品数：38被引量：88H指数：5; 导出分析报告; 相关领域：天文地球更多>>; 相关作者：刘洋刘洋李振春黄捍东张如伟更多>>; 相关机构：中国石油大学(北京)中国石油大学（北京）中国石油大学（华东）中国石油更多>>; 相关期刊：《Communications in Computational Physics》《China Oil & Gas》《Petroleum Science》《Earthquake Research Advances》更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家高技术研究发展计划中国博士后科学基金更多>>

A deep learning framework for suppressing prestack seismic random noise without noise-free labels: 《Energy Geoscience》2024年第3期261-274,共14页Han Wang Jie Zhang; employed by Petroleum Exploration and Production Research Institute of SINOPEC;funded by the National Key R&D Program of China(2021YFC3000701).; Random noise attenuation is significant in seismic data processing.Supervised deep learning-based denoising methods have been widely developed and applied in recent years.In practice,it is often time-consuming and lab...; 关键词：Data processing DENOISING Signal processing SEISMICS Deep learning

Tensor discriminant dictionary classification method for prestack seismic reflection patterns: 《Applied Geophysics》2022年第2期197-208,307,共13页Cai Han-Peng Jing Peng Yang Jun-Hui; supported by the National Natural Science Foundation of China(Nos.42130812,42174151,and 41874155).; The existing seismic reflection pattern classification methods need to convert multidimensional prestack seismic data into one-dimensional vectors for processing,which loses the characteristics of amplitude variation ...; 关键词：Prestack seismic data seismic reflection pattern analysis TENSORS discriminative dictionary learning

Seismic description and fluid identification of thin reservoirs in Shengli Chengdao extra-shallow sea oilfield: 《Petroleum Exploration and Development》2021年第4期889-899,共11页SHU Ningkai SU Chaoguang SHI Xiaoguang LI Zhiping ZHANG Xuefang CHEN Xianhong ZHU Jianbing SONG Liang; Supported by the China National Science and Technology Major Project(2016zx05006);Sinopec Program for Science and Technology Development(P15156,P15159)。; The meandering channel deposit of the upper member of Neogene Guantao Formation in Shengli Chengdao extra-shallow sea oilfield is characterized by rapid change in sedimentary facies.In addition,affected by surface tid...; 关键词：Jiyang Depression Chengdao Oilfield extra-shallow sea NEOGENE Sea and land dual-sensor prestack two-step high resolution frequency bandwidth expanding processing intelligent horizon-facies controlled recognition technology prestack seismic fluid identification

Prestack gathers feature enhancement method based on BEMD and CTKEO: 《Earthquake Research Advances》2021年第S01期63-65,共3页Xudong Jiang Junxing Cao ShaoChen Shi Zhaodong Su Tao Xiang; sponsored by the National Natural Science Foun-dation of China(No.41974160,41774192,41430323).; The hydrocarbon detection method based on pre-stack gather data has higher accuracy and reliability than those methods based on post-stack data.This kind of method requires that pre-stack gather data have high SNR(Sig...; 关键词：Prestack gather BEMD CTKEO AVO

Prestack seismic stochastic inversion based on statistical characteristic parameters被引量：3: 《Applied Geophysics》2021年第1期63-74,129,共13页Wang Bao-Li Lin Ying Zhang Guang-Zhi Yin Xing-Yao; the National Science Foundation of China(No.42074136 and U19B2008);the Major National Science and Technology Projects(No.2016ZX05027004-001 and 2016ZX05002-005-009);the Fundamental Research Funds for the Central Universities(No.19CX02007A);China Postdoctoral Science Foundation(No.2020M672170).; In the conventional stochastic inversion method,the spatial structure information of underground strata is usually characterized by variograms.However,effectively characterizing the heterogeneity of complex strata is ...; 关键词：prior information random medium theory statistical characteristic parameters stochastic inversion very fast quantum annealing

Interval attenuation estimation from prestack seismic data:A case study from the Arabian Peninsula: 《Applied Geophysics》2020年第4期475-488,共14页Abdullah Alshangiti Hua-Wei Zhou; This work was carried out as part of a Ph.D.research at the University of Houston.We thank Saudi Aramco for funding the research and providing the seismic data.We thank Dr.Carl Reine from Sound QI for providing the PSQI code.The Center of Wave Phenomenon(CWP)Seismic Unix programs TRIMODEL and TRISEIS were used to generate the synthetic seismic data.We thank Dr.Hao Hu for his comments and the anonymous reviewers for their reviews and suggestions.; Accurately estimated interval attenuation(1/Q)values have several applications,such as in quantitative interpretation and seismic resolution enhancement.Although Q values can be estimated by measuring the spectral rat...; 关键词：Attenuation quality factor Q overburden inhomogeneity spectral ratio prestack Q inversion

3D prestack reverse time migration of ground penetrating radar data based on the normalized correlation imaging condition: 《Applied Geophysics》2020年第5期709-718,901,共11页Wang Hong-Hua Gong Jun-bo Zhang Zhi Xiong Bin Lv Yu-zeng Feng De-shan Dai Qian-wei; This work is supported by the National Natural Science Foundation of China(No.41604039,41604102,41764005,41574078);Guangxi Natural Science Foundation project(No.2020GXNSFAA159121,2016GXNSFBA380215).; The reverse time migration(RTM)of ground penetrating radar(GPR)is usually implemented in its two-dimensional(2D)form,due to huge computational cost.However,2D RTM algorithm is difficult to focus the scattering signal ...; 关键词：Ground Penetrating Radar(GPR) 3D Reverse Time Migration(RTM) Finite Diff erence Time Domain(FDTD) Normalized correlation imaging condition

The Effect of Strong Near Surface Scattering on Seismic Imaging: Investigation Based on Resolution Analysis: 《Communications in Computational Physics》2020年第6期167-186,共20页Xiao-Bi Xie Baoqing He Hongxiao Ning Yongqing He Bo Chen; In land seismic exploration,strong near-surface heterogeneities can cause serious problems in seismic data acquisition and the quality of depth imaging.By introducing random velocity models to simulate velocity fluctu...; 关键词：Reverse time migration shallow scattering velocity model prestack depth imaging seismic resolution

Facies-constrained prestack seismic probabilistic inversion driven by rock physics被引量：4: 《Science China Earth Sciences》2020年第6期822-840,共19页Kun LI Xingyao YIN Zhaoyun ZONG; supported by the National Grand Project for Science and Technology(Grant Nos.2016ZX05024-004,2017ZX05009-001,2017ZX05036-005);the Science Foundation from SINOPEC Key Laboratory of Geophysics(Grant No.WTYJY-WX2019-0104)。; Seismic Rock physics plays a bridge role between the rock moduli and physical properties of the hydrocarbon reservoirs.Prestack seismic inversion is an important method for the quantitative characterization of elastic...; 关键词：Prestack seismic inversion Seismic rock physics Physical properties estimation Bayesian inference Probabilistic mixture model Markov chain Monte Carlo

Prestack inversion identification of organic reef gas reservoirs of Permian Changxing Formation in Damaoping area, Sichuan Basin, SW China被引量：3: 《Petroleum Exploration and Development》2020年第1期89-100,共12页ZHOU Lu ZHONG Feiyan YAN Jiachen ZHONG Kexiu WU Yong XU Xihui LU Peng ZHANG Wenji LIU Yi; Supported by the National Natural Science Foundation of China(41430316);China National Science and Technology Major Project(2017ZX05008-004-008).; Organic reef reservoirs in the platform margin of Kaijiang-Liangping trough in Damaoping area, Sichuan Basin are thin in single layer, fast in lateral variation, and have small P-impedance difference from the surround...; 关键词：Sichuan Basin PERMIAN Changxing Formation ORGANIC REEF PRESTACK inversion S-WAVE estimation rock physics fluid factor gas detection

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