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1-17 of 17
Keywords: western china
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Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4093901
... Aiming at the problem of complex mountain modeling in western China, a stepwise tomographic inversion modeling method is studied for the requirements of pre-stack depth migration processing. The method consists of a series of measures to improve the surface accuracy, the near-surface model...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3751450
... Western China is rich in oil and gas resources, but the terrain in this area is complex and diverse, and the terrain changes violently, which brings great difficulties to seismic exploration. During seismic data acquisition, due to the variation of surface fluctuation, the distribution of shot...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3579865
...) and seismic interference noises (SIN) resulted from unexpected human activities in the survey area. I developed a tau-p domain SSN and SIN filtering method to enhance seismic data quality. I will apply the method to a field data from a foreland basin of western China to show that our approaches enhance...
Proceedings Papers
Jiangli Chen, Shanzheng Hu, Xiao-Bi Xie, Xiaobin Zhang, Teng Huang, Yingchun Lei, Zilong Li, Qiang Zhang
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3422791
... In the last decade, important oil and gas deposits were discovered in complex mountainous areas in Tarim basin, western China, but many of them were accompanied by serious HSE (health, safety and environment) risks due to poor topographic conditions there. Extremely complex terrains limited...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3425531
... The Cambrian and Ordovician carbonate formation in area A in Western China are widely distributed and have been proved to contain oil and gas. However, igneous rock widely exists above the carbonate formation in this area, and its thickness and velocity change dramatically; resulting...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427168
... to establish the near-surface Q model. And then, the stable Q compensation algorithm with gain control is used to realize the time-varying and space varying Q compensation of source and receiver points. An application example of lithological exploration in Qaidam Basin in western China shows that the Q model...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215666
... of the tomography results. The method presented in this paper is applied to the field seismic data of J work area in Qaidam basin, western China, and an accurate velocity model is built to solve the imaging problem of complex structures in this area. Presentation Date: Tuesday, September 17, 2019 Session Start...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215601
... ABSTRACT The problem of static correction of 3D converted wave data is very serious in western China. the signal-to-noise ratio of converted wave data is low and the first break time is hard to pick up, which leads to the failure of conventional converted wave static correction method. Based...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215925
... ABSTRACT In the Piedmont alluvial fan area of Western China, the thickness of the low velocity zone is large, and the velocity varies greatly in both vertical and horizontal directions. Especially in the shallow part, the velocity varies more dramatically, which results in relatively large...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3205534
... ABSTRACT The fracture-cavity reservoirs in the western China face a big challenge in accurate locating the drilling target. Over the recent years, Schlumberger and BGP both carried out pilot projects of the seismic guide drilling (SGD) in this area, and preliminary progress has been made...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2989933
... upstream oil & gas bin size seg international exposition geometry key parameter test method receiver line acquisition cost case study geometry seismic data proportion geometry scheme reservoir characterization seismic geometry western china application trace density...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17726552
...: ORAL gas reservoir vertical geophone shot gather annual meeting reflection seismogram geophone application wave mode seg seg international exposition sv-p image upstream oil & gas legacy p-wave data sv-p reflection western china reservoir characterization Gas reservoir...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2011 SEG Annual Meeting, September 18–23, 2011
Paper Number: SEG-2011-1425
... ABSTRACT In Ordos basin in western China, the surface is covered by exceedingly thick loess, surface elevation varies acutely, and there are poignant lateral variations in thickness of weathering layer. The lateral weathering layer velocity is relatively stable; however, the vertical...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2011 SEG Annual Meeting, September 18–23, 2011
Paper Number: SEG-2011-1454
... seismic lines shows that this method has a relatively good effect suggesting that it can be used to improve the accuracy of datum static corrections in complex areas. static correction method seismic line upstream oil & gas static correction western china multivariate statistic near...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2008 SEG Annual Meeting, November 9–14, 2008
Paper Number: SEG-2008-3335
... interface inversion layer velocity software geometry true velocity model velocity interface static correction application reservoir characterization upstream oil & gas final dlt model dlt deformable-layer tomography velocity model tomostatic software invert western china...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2004 SEG Annual Meeting, October 10–15, 2004
Paper Number: SEG-2004-0087
... Building with Multiple Information. october 2004 acquisition geometry reservoir characterization information data quality exposition upstream oil & gas seg int western china complex mountainous area seismic acquisition static correction alluvial fan denver heavy vibrator ykb...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2004 SEG Annual Meeting, October 10–15, 2004
Paper Number: SEG-2004-1441
... of multiple static corrections methods in different kinds of areas. Application of these new methods and measures further improved the precision of static corrections and increased our technical competence of seismic exploration in complex areas of Western China. reservoir characterization velocity...