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海外K油田并购后初步计算储量与外方储量有100多百万桶的差距,储量急待重新计算,储层参数作为储量计算的重要参数需要尽可能的准确。K油田的岩性比较简单为砂泥岩互层,但是受沉积环境影响,储层的非均值性比较强。在孔隙度的计算中存在部分井缺少中子密度曲线的情况,利用邻井资料确定压实系数利用单声波计算孔隙度。由于区块中高阻和低阻油层并存,在评价饱和度的过程中,优选了解释模型,并利用不同的地层水电阻率计算。利用测压资料确定了该区的储层参数下限值。重新计算的储层参数与岩心资料误差更小,计算的储量更加合理。
Overseas K oilfield mergers and acquisitions after the initial calculation of reserves and foreign reserves of more than 100 million barrels of the gap, the reserves urgently recalculated, reservoir parameters as an important parameter of reserves calculation needs to be as accurate as possible. The lithology of K oilfield is relatively simple to interbedded sand-shale. However, due to the sedimentary environment, the heterogeneity of the reservoir is relatively strong. In the calculation of porosity, there is a lack of neutron density curve in some wells. Using the adjacent well data to determine the compaction coefficient, the single porosity is used to calculate the porosity. Due to the coexistence of high resistivity and low resistivity reservoirs in the block, an interpretation model is preferred in the evaluation of saturation and different formation resistivity calculations are used. Using the pressure measurement data to determine the lower limit of reservoir parameters. Recalculated reservoir parameters and core data error is smaller, the calculated reserves more reasonable.