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三维vsp
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  3-d vsp
     Research into 3-D VSP acquisition method for Lungu 38 Well.
     轮古38井三维VSP数据采集方法探讨
短句来源
     Research on wave Held separation method of 3-D VSP data in Ken 71 well area
     垦71井区三维VSP资料波场分离方法应用研究
短句来源
     3-D VSP ray-tracing based on volume element model
     基于体元模型的三维VSP射线追踪
短句来源
     Wave equation of prestack depth migration of 3-D VSP data
     三维VSP资料波动方程叠前深度偏移研究
短句来源
     Based on Fermat's principle, the paper uses full-path iterative algorithm to realize 3-D VSP two-point ray tracing in volume element model.
     本文基于费马原理,利用全路径迭代算法实现体元模型中的三维VSP两点射线追踪。
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  3 d vsp
     In that reason,faced with the 3D,3C VSP data characteristics , the paper studied the following aspects:3D VSP velocity analysis, wavefield separation, 3D depth imaging of P-wave and PS-converted wave and probed a set of processing methods.
     为此,本文针对三维三分量VSP数据的特点,在三维VSP速度分析、波场分离、纵波和转换波的三维深度成像等几个方面进行了研究,摸索出一套处理方法。
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  “三维vsp”译为未确定词的双语例句
     Acquisition parameters and geometry design are crucial to the quality of acquisition data.
     采集参数和观测系统设计是资料采集质量的根本保证,为此,对轮古38井三维VSP数据采集方法进行了探讨。
短句来源
     The result of 3-D-VSP survey for Lungu 38 Well shows that the acquisition data has higher S/N ratio and resolution than those of routine 3D seismic data.
     轮古38井的应用实例表明,利用所设计的三维VSP观测系统获得的资料,信噪比和分辨率都要优于三维地面地震资料,成像更清晰。
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  3-d vsp
In the case of a 3-D VSP, 3-D raytracing may be a time-consuming process and likely to be unnecessary in a simple geology.
      


Crosshole seismic data is ptovided with higher resolution and more plentiful information as compared with surface seismic data. After a series of processing operations,we have got precise crosshole physical parameters and high rcsolution seismic structure profiles. The results show that velocity layets of about ten metcrs can be distinguished from tomographic velocity image and the main velocity interfaces of the image coincide with those in surface seismic data,VSP data and well logging data,and the migration...

Crosshole seismic data is ptovided with higher resolution and more plentiful information as compared with surface seismic data. After a series of processing operations,we have got precise crosshole physical parameters and high rcsolution seismic structure profiles. The results show that velocity layets of about ten metcrs can be distinguished from tomographic velocity image and the main velocity interfaces of the image coincide with those in surface seismic data,VSP data and well logging data,and the migration image of refiected crosshole seismic data can reach a resolution of thin layers with four meters. The resolving powet of different types of data were also discussed. By a comprehcnsive application of crosshole seismic data, surface 3D seismic data, VSP data, welll logging data and lithological geological column,we have successfully carried out the comparison of layers,and thc study of variations of lithology and thickness of thin layers and lateral changes of main reservoir layers,and the judgement of continuity of reservoir between well W1 and well W2,and finally, we constructed a fine lithological geological model.

井间地震资料有着比地面地震资料更高的分辨率和更为丰富的波场信息。通过对吉林地区野外井间地震资料的处理,我们得到了精确的井间物性参数及高分辨率的地下构造剖面。从我们得到的结果可以看出,层析速度可以分辨出十米左右的速度层,而其主要的速度界面与地面资料、VSP资料及测井资料等具有很好的一致性。井间地震资料的反射波偏移剖面可以分辨出四米左右的薄层。文中还对比了多种资料的分辨能力。通过综合应用井间地震、地面三维、VSP、测井及岩性柱状剖面等资料,较好地解决了W1井和W2井两井间地层对比、小层岩性和厚度变化、主要储层横向变化及推断储层的连通性等问题,并解释出了精细的岩性地质模型。

Sulige Gas Field is a large but low pressure and low saturation gas field located in the Ordos Basin. The main reservoirs are of Late Paleozoic amalgamated fluvial channel sands. High-resolution 2-D seismic played a critical role in reservoir prediction and the discovery of gas fields. Data acquisition, quality, processing and interpretation in recent years are reanalyzed to improve the predictability of future work. To meet the ever increasing gas field development demand, it is suggested here to apply 3-D...

Sulige Gas Field is a large but low pressure and low saturation gas field located in the Ordos Basin. The main reservoirs are of Late Paleozoic amalgamated fluvial channel sands. High-resolution 2-D seismic played a critical role in reservoir prediction and the discovery of gas fields. Data acquisition, quality, processing and interpretation in recent years are reanalyzed to improve the predictability of future work. To meet the ever increasing gas field development demand, it is suggested here to apply 3-D pre-stack seismic attributes analysis, well-logging, strata time-frame constraint, reservoir inversion and elastic wave inversion technology, 3-D VSP and 3-C seismic techniques in future work.

鄂尔多斯盆地苏里格气田的气藏属于大面积分布的低压、低含气饱和度气藏,主要储集层为上古生界河流相叠合砂体,以高分辨率二维地震为基础的储集层预测在该气田的发现中发挥了关键作用。在分析近年地震预测效果的基础上,从野外采集、原始资料品质、处理及解释等方面分析影响预测精度的主要因素,根据寻找富集高产区的开发生产需求,建议加强基于全三维数据体的叠前多属性分析、以测井资料和地层等时格架约束储集层反演、开展弹性波反演技术研究,并建议在积极开展地震资料品质攻关的基础上,进行适量的三维VSP及多波地震的试验攻关。图6表2参12

This paper analyzes the application status of vertical seismic profile (VSP) technology, and introduces multiple cascade long offset VSP data acquisition technology and joint application of 3-D VSP and 3-D seismic. Through a review of azimuthal VSP, reverse VSP, multiple component VSP, casing well VSP and VSP-while-drilling, the author discuses the problems in application of VSP technology, and outlooks the development trends of VSP technology.

分析了VSP技术的应用现状,介绍了多级长排列VSP采集技术及三维VSP与三维地震联合作业的技术。通过对描述裂缝性储层特征的多方位VSP技术、实用有效的逆VSP技术、解决各向异性的多分量VSP技术以及套管井VSP技术和随钻VSP技术的综述,分析了VSP技术在发展中遇到的问题,提出了VSP技术的下一步发展方向。

 
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