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基于储层构造和沉积等时格架的储层静态建模实例研究

Keywords: 储层静态建模,地震分辨率,构造等时格架,沉积等时格架,层序地层学

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Abstract:

?储层静态建模不仅是油藏工程师认识储层和提高采收率的关键环节,也是地球物理工程师努力追求的目标。由于地质成因的复杂性和不同地球物理数据间的差异性,储层静态建模在实际应用中面临较大的挑战,其中最主要的难题是如何联合应用地震空间分辨率和测井垂向分辨率进行储层静态建模。为此,本文提出基于储层构造和沉积等时格架的储层静态建模方法,其要点有:基于地震和测井分辨率相同部分的储层构造等时格架解释、基于层序地层学的地震和测井储层沉积等时格架解释,以及基于储层构造和沉积等时格架的测井插值建模和基于建模结果的等时切片单砂体解释等。该方法在中国西部准噶尔盆地西北缘的逆掩断层下盘薄互储层研究中进行了应用,得到了开发信息的验证,从而解决了该油田面临的开发非均质高含水问题。

References

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[4]  becqueym,lavergnem,willmc.acousticimpedancelogscomputedfromseismictraces[j].geophysics.1979,44(9):1485-1501
[5]  researchgroupforyangwu3-dprocessingandinterpretationintegration.researchonanalyzingandmonitoringmethodfor3-dseismicdata.ogp,2002,37(5):433-440.
[6]  azizk,journelaandnura.anintegratedap-proachtoforecastingtheperfoemanceofpetroleumreservoirs(draft).stanfordcenterforreservoirforecasting,stanforduniversity,1987,1-66.
[7]  vailpr,mitchumrmandthompsonsⅲ.globalcyclesofrelativechangesofsealevel.aapgmemoir,1977,26:83-97.
[8]  vailpr.sequencestratigraphyworkbook,fundamentalsofsequencestratigraphy.aapgannualconventionshortcourse:sequencestratigraphyinterpretationofseismicstratigraphyinterpretationprocedure,1988.
[9]  凌云,高军,吴琳.时频空间域球面发散与吸收补偿[j].石油地球物理勘探.2005,40(2):176-182
[10]  lingyun,gaojunandwulin.compensationforsphericaldispersionandabsorptionintime-frequency-spacedomain.ogp,2005,40(2):176-182,189.
[11]  凌云研究组.叠前相对保持振幅、频率、相位和波形的地震数据处理与评价研究[j].石油地球物理勘探.2004,39(5):543-552
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[13]  羊屋三维处理、解释一体化方法研究组.三维地震数据的分析和监测方法研究.石油地球物理勘探,2002,37(5):433-440.

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