首页> 外文会议>European petroleum conference;Europec'96 >Determination and application of MWD/LWD and core based perfmeability profiles in oseberg horzontal wells
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Determination and application of MWD/LWD and core based perfmeability profiles in oseberg horzontal wells

机译:oseberg horzontal井中随钻测井/随钻测井和基于岩心的渗透率曲线的确定和应用

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Quicker and better quantitative partial perforation strategy has been possible yby applying more accurate predicted permeability profiles along horizontal wells inthe simulation models.A newly devleoped mehtodology for predicting permeability in non-cored horizontal wells that uses measurement/logging-while-drilling (MWD/LWD) data and a multivariate technique makes this possible.Data from the Oseberg Field in the hnorth Sea illustrate the technique.The pemeability modelling is done with a partial-least-Squares (PLS)regression technique.The underlying calibrationmodel is founded on logs and core data from selected wells.Gamma ray,neuron,density,resistivity logs and air permeabilities as measured on core plugs constitute the applied calibration data set in hte present context.In subsequent prediction phases,new logging data are fed into the established model to produce the permeability profile.
机译:通过在模拟模型中沿水平井应用更准确的预测渗透率剖面图,可以实现更快,更好的定量局部射孔策略。一种新开发的方法,用于在无芯水平井中使用测井/随钻测井(MWD / LWD)预测渗透率)数据和多元技术使之成为可能。北海Oseberg油田的数据对此技术进行了说明。渗透性建模是通过偏最小二乘(PLS)回归技术完成的,底层校准模型是基于测井和岩心建立的在当前情况下,在芯塞上测量的伽玛射线,中子,密度,电阻率测井和透气率构成了应用的校准数据集。在随后的预测阶段,将新的测井数据输入到已建立的模型中,以产生新的测井数据。渗透率剖面。

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