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首页> 外文期刊>Scientia Africana: An International Journal of Pure & Applied Sciences >PETROPHYSICAL EVALUATION FOR DEVELOPMENT OF A MARGINAL OIL FIELD IN THE ONSHORE NIGER DELTA, NIGERIA
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PETROPHYSICAL EVALUATION FOR DEVELOPMENT OF A MARGINAL OIL FIELD IN THE ONSHORE NIGER DELTA, NIGERIA

机译：在尼日利亚北岸尼日尔三角洲的边际油田开发的岩石物理评估

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Petrophysical evaluation was conducted on an onshore marginal field in Niger Delta with the aim of evaluating the rock and fluid properties to boost hydrocarbon production in the field. Five well logs suite from five wells and core log data for two wells were utilized for this study. Petrophysical properties evaluated included; porosity, net to gross, formation factor, irreducible water saturation, permeability, water saturation, hydrocarbon saturation and pay thickness. The well logs suite containedthe following logs: Gamma ray log for lithology identification; Resistivity log for fluid type discrimination and determination of water saturation; Density log for porosity determination; and Neutron log in combination with density log for hydrocarbontypes. A total of seven reservoir sands ( Sand A, B, C, D, E, F and G) were identified and correlated across all five wells on the basis of gamma ray and resistivity log motifs. The reservoir gross thicknesses ranged from 62.55 to 228.50 ft, shale volumefrom 7.0 to 24.60%, net to gross from 0.76 to 0.93%, effective porosity from 20.78 to 26.22%, water saturation from 35.80 to 62.30% and permeability ranged from 545.94 to 2821.97 mD. This shows that the reservoirs are of good quality for hydrocarbon productionacross the field.
机译：在尼日尔三角洲的陆上田地上进行了岩石物理评估，目的是评估岩石和流体特性以增强该田中的碳氢化合物生产。这项研究利用了来自五口井的五个井木套件和两个井的核心日志数据。包括评估的岩石物理特性;孔隙率，净到毛，形成因子，不可约合的水饱和度，渗透率，水饱和度，碳氢化合物饱和度和付费厚度。 Well Logs Suite包含以下日志：用于岩性识别的伽玛射线日志;流体类型歧视和水饱和度确定的电阻率对数;密度原木确定孔隙率;和中子日志与碳氢化合物的密度对数结合。根据伽马射线和电阻率对数图案，总共确定了七个储层砂（沙子A，B，C，D，E，F和G）。储层的厚度从62.55到228.50英尺，页岩体积从7.0到24.60％，净至0.76至0.93％，有效孔隙率从20.78到26.22％，从35.80到62.30％到62.30％到545.945.945.945.94 M.97 MD，水饱和度从35.80到62.30％到62.30％ 。这表明储层对于碳氢化合物的生产量很高。

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