丁旭林
DING Xulin

• 1:大庆油田有限责任公司第九采油厂

摘要(Abstract)：

地层水电阻率的确定一直是低孔、低渗泥质砂岩油藏测井解释的难点之一。引入地球化学场理论,从导致大庆西部古龙油田地层水矿化度差异的成因出发,将目的层在纵向上分为两段,分别建立与深度相关的地层水电阻率计算模型。对比计算值与地层水电阻率真值的绝对误差平均为0.05Ω·m,相对误差为9.8%,符合率较高。该方法对确定低孔、低渗储集层的地层水电阻率具有指导意义。
The determination of the formation water resistivity is always one of the difficulties of well logging interpretation in the shaly sandstone oil reservoirs with low porosity and low permeability.By means of introducing the geochemical field theory,from the viewpoint of the geneses of the salinity difference of the formation water in Gulong Oilfield of West Daqing,the target layer is divided into two intervals and moreover the calculating models of the formation water resistivity relevant to the depth are built seperatively.Through contrasting the values of the calculated and the original resistivities,the average absolute error is 0.05 Ω · m and the relative error is 9.8%,the coincidence rate is pretty higher.The method has a certain guiding significance to determine the formation water resistivity in the shaly sandstone reservoirs with low porosity and low permeability.

关键词(KeyWords)： 地层水电阻率;低孔、低渗储层;泥质砂岩;地层水化学场
formation water resistivity;low-porosity and low-permeability reservoir;shaly/muddy sandstone;chemistry field theory of the formation water

Abstract:

Keywords:

基金项目(Foundation): 大庆油田有限责任公司科技攻关项目(dqp-2008-cs-ky-009)

作者(Author): 丁旭林
DING Xulin

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