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A practical implementation of converted-wave reflection full-waveform inversion 转换波反射全波形反演的实际实现
82nd EAGE Annual Conference & Exhibition Pub Date : 1900-01-01 DOI: 10.3997/2214-4609.202112751
N. Masmoudi, A. Ratcliffe, M. Wang, Y. Xie, T. Wang
{"title":"A practical implementation of converted-wave reflection full-waveform inversion","authors":"N. Masmoudi, A. Ratcliffe, M. Wang, Y. Xie, T. Wang","doi":"10.3997/2214-4609.202112751","DOIUrl":"https://doi.org/10.3997/2214-4609.202112751","url":null,"abstract":"Depth imaging of converted-wave (P-to-S) ocean-bottom seismic (OBS) data requires a depth model for both the P- and S-wave velocities. Building the S-wave velocity model is very challenging: conventional techniques include PP and PS image registration, or joint PP and PS tomography. These approaches are often impeded by the lack of a reliable PS image in the shallow part of the model due to the sparse-receiver acquisition of typical OBS surveys, and have limited resolution to deal with complex lateral velocity variations. We introduce a new full-waveform inversion technique to update the S-wave velocity using converted-wave reflection data recorded in the radial component of OBS surveys. Key aspects of the method include the use of acoustic Born-modeling, a robust objective function to handle kinematic and dynamic differences, and a layer-stripping strategy to simplify the non-linearity of the inversion problem. The proposed approach is validated on different synthetics, and demonstrated on a field data example, giving an improved S-wave velocity and better reflector continuity for PS imaging.","PeriodicalId":143998,"journal":{"name":"82nd EAGE Annual Conference & Exhibition","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125736662","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Assessing preferential orientations of fracture reactivation by iterative-statistical stress inversion from earthquakes in Taranaki, New Zealand 利用新西兰塔拉纳基地震的迭代统计应力反演评估裂缝再激活的优先方向
82nd EAGE Annual Conference & Exhibition Pub Date : 1900-01-01 DOI: 10.3997/2214-4609.202112765
M. Rodriguez, C. Reilly
{"title":"Assessing preferential orientations of fracture reactivation by iterative-statistical stress inversion from earthquakes in Taranaki, New Zealand","authors":"M. Rodriguez, C. Reilly","doi":"10.3997/2214-4609.202112765","DOIUrl":"https://doi.org/10.3997/2214-4609.202112765","url":null,"abstract":"","PeriodicalId":143998,"journal":{"name":"82nd EAGE Annual Conference & Exhibition","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123600397","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
First Order Perturbation Approximation of Azimuth Converted Wave Reflection Coefficient of HTI Media HTI介质方位角转换波反射系数的一阶微扰近似
82nd EAGE Annual Conference & Exhibition Pub Date : 1900-01-01 DOI: 10.3997/2214-4609.202112717
H. Liu, G. Wu, J. Shan, S. Yang
{"title":"First Order Perturbation Approximation of Azimuth Converted Wave Reflection Coefficient of HTI Media","authors":"H. Liu, G. Wu, J. Shan, S. Yang","doi":"10.3997/2214-4609.202112717","DOIUrl":"https://doi.org/10.3997/2214-4609.202112717","url":null,"abstract":"As an important field of unconventional oil and gas exploration, fractured reservoir is equivalent to HTI medium because of the existence of high angle or nearly vertical fractures, which seismic response presents azimuthal anisotropy characteristics. Many scholars have considered the reflection and transmission coefficients of HTI media according to different research purposes. Based on Thomsen's theory, Rüger established an approximate formula for P and SV waves reflection/transmission coefficients in HTI media. (Thomsen,1986; Rüger,1998)","PeriodicalId":143998,"journal":{"name":"82nd EAGE Annual Conference & Exhibition","volume":"142 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114918213","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Interaction of Cationic Surfactants with Anionic Polymers for Improving Oil Production 阳离子表面活性剂与阴离子聚合物的相互作用提高石油产量
82nd EAGE Annual Conference & Exhibition Pub Date : 1900-01-01 DOI: 10.3997/2214-4609.202112760
L. Xu, M. Han, J. Wang, A. Alsofi
{"title":"Interaction of Cationic Surfactants with Anionic Polymers for Improving Oil Production","authors":"L. Xu, M. Han, J. Wang, A. Alsofi","doi":"10.3997/2214-4609.202112760","DOIUrl":"https://doi.org/10.3997/2214-4609.202112760","url":null,"abstract":"Surfactants used for chemical flooding were usually anionic surfactants such as sulfate, sulfonates and carboxylates with different hydrophobic chains (Hirasaki et al. 2011, Negin et al. 2017). This is due to most chemical flooding applications were in sandstone reservoirs (Sheng 2010, Guo et al. 2018, Alvarado and Manrique, 2010). Sandstone is composed of quartz (SiO2) grains cemented together with a variety of minerals. As a result, the rock surface of sandstone is negatively charged. The adsorption of anionic surfactants on sandstone is low due to electrostatic repulsion. Polymers used were also negatively charged such as partially hydrolyzed polyacrylamides (Needham and Doe 1987, Zhu et al. 2015) and sulfonated polyacrylamides (Moradi-Araghi et al. 1987, Levitt et al. 2008).","PeriodicalId":143998,"journal":{"name":"82nd EAGE Annual Conference & Exhibition","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129637680","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Application of time-lapse acoustic FWI to cross-well seismic monitoring data sets in a CCS field 延时声波FWI在CCS油田井间地震监测数据集中的应用
82nd EAGE Annual Conference & Exhibition Pub Date : 1900-01-01 DOI: 10.3997/2214-4609.202112735
M. Ichikawa, T. Mouri, A. Shigematsu, A. Kato, R. Nakata, N. Nakata, Z. Xue
{"title":"Application of time-lapse acoustic FWI to cross-well seismic monitoring data sets in a CCS field","authors":"M. Ichikawa, T. Mouri, A. Shigematsu, A. Kato, R. Nakata, N. Nakata, Z. Xue","doi":"10.3997/2214-4609.202112735","DOIUrl":"https://doi.org/10.3997/2214-4609.202112735","url":null,"abstract":"","PeriodicalId":143998,"journal":{"name":"82nd EAGE Annual Conference & Exhibition","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126377322","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Utilizing Vintage Logs for Modern Petrophysical Property Modelling of a Rejuvenated Oil Field – Szolnok, Hungary 利用古测井资料对复兴油田进行现代岩石物性建模——匈牙利Szolnok
82nd EAGE Annual Conference & Exhibition Pub Date : 1900-01-01 DOI: 10.3997/2214-4609.202112752
P. Tóth, A. Deltour
{"title":"Utilizing Vintage Logs for Modern Petrophysical Property Modelling of a Rejuvenated Oil Field – Szolnok, Hungary","authors":"P. Tóth, A. Deltour","doi":"10.3997/2214-4609.202112752","DOIUrl":"https://doi.org/10.3997/2214-4609.202112752","url":null,"abstract":"The Szolnok Oil Field in central Hungary – discovered in 1953 (Thamó-Bozsó, 2018) – was in continuous production until its final abandonment in the 1990s. The gross of the producer and appraisal wells were drilled between 1954-1958 and were measured with an obsolete “Eastern-European-type” of open hole logging suite. Historically these log curves were found to be essentially useful in delineating permeable layers, correlating sand-prone beds, stratigraphic well tops and distinguishing hydrocarbon from water-bearing zones. However, their application was rather limited for a quantitative characterization of any petrophysical properties (e.g., clay volume, porosity, water saturation), which are routinely obtainable from a modern open hole log set.","PeriodicalId":143998,"journal":{"name":"82nd EAGE Annual Conference & Exhibition","volume":"104 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122450197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Frequency division constraint seismic stochastic inversion method and its application in Bohai Bay 分频约束地震随机反演方法及其在渤海湾地区的应用
82nd EAGE Annual Conference & Exhibition Pub Date : 1900-01-01 DOI: 10.3997/2214-4609.202112722
X. Duan, Y. Li, G. Liu, H. Tan
{"title":"Frequency division constraint seismic stochastic inversion method and its application in Bohai Bay","authors":"X. Duan, Y. Li, G. Liu, H. Tan","doi":"10.3997/2214-4609.202112722","DOIUrl":"https://doi.org/10.3997/2214-4609.202112722","url":null,"abstract":"","PeriodicalId":143998,"journal":{"name":"82nd EAGE Annual Conference & Exhibition","volume":"536 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123576793","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A 10-Myr record of Late Triassic lake deposition, Fleming Fjord Group, East Greenland 东格陵兰弗莱明峡湾群晚三叠世湖泊沉积的10-Myr记录
82nd EAGE Annual Conference & Exhibition Pub Date : 1900-01-01 DOI: 10.3997/2214-4609.202112761
L. Clemmensen, M. Mau
{"title":"A 10-Myr record of Late Triassic lake deposition, Fleming Fjord Group, East Greenland","authors":"L. Clemmensen, M. Mau","doi":"10.3997/2214-4609.202112761","DOIUrl":"https://doi.org/10.3997/2214-4609.202112761","url":null,"abstract":"","PeriodicalId":143998,"journal":{"name":"82nd EAGE Annual Conference & Exhibition","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130800040","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Variable depth streamer deghosting using a linear Radon transform with a time domain sparsity constraint 利用时域稀疏性约束的线性Radon变换进行变深度流去重影
82nd EAGE Annual Conference & Exhibition Pub Date : 1900-01-01 DOI: 10.3997/2214-4609.202112780
T. Seher, H. Masoomzadeh, C. Yang, S. Dong, S. Drewell, Z. Zhang
{"title":"Variable depth streamer deghosting using a linear Radon transform with a time domain sparsity constraint","authors":"T. Seher, H. Masoomzadeh, C. Yang, S. Dong, S. Drewell, Z. Zhang","doi":"10.3997/2214-4609.202112780","DOIUrl":"https://doi.org/10.3997/2214-4609.202112780","url":null,"abstract":"","PeriodicalId":143998,"journal":{"name":"82nd EAGE Annual Conference & Exhibition","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123478777","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Elastic wave mode decomposition in anisotropic media with convolutional neural network 基于卷积神经网络的各向异性介质弹性波模式分解
82nd EAGE Annual Conference & Exhibition Pub Date : 1900-01-01 DOI: 10.3997/2214-4609.202112784
H. Huang, T. Wang, J. Cheng
{"title":"Elastic wave mode decomposition in anisotropic media with convolutional neural network","authors":"H. Huang, T. Wang, J. Cheng","doi":"10.3997/2214-4609.202112784","DOIUrl":"https://doi.org/10.3997/2214-4609.202112784","url":null,"abstract":"Seismic anisotropy is widely distributed in the subsurface of Earth. In an anisotropic medium, P and S waves are intrinsically coupled due to the nature of elastic wave propagation. For the elastic reverse time migration (ERTM), it is essential to isolate the P and S wave modes before applying the imaging condition in order to avoid the image crosstalks. However, the polarization direction of P or S waves in anisotropic media, which is crucial for the mode separation, is no longer parallel or perpendicular to the propagation direction and will be spatially varying with the change of model parameters. Therefore, the wave mode separation or vector decomposition of elastic wavefields becomes infeasible because of the expensive computational cost to calculate the polarization.","PeriodicalId":143998,"journal":{"name":"82nd EAGE Annual Conference & Exhibition","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129833720","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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