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石油钻井时,在钻到设计井深深度后都必须进行测井,以获得各种石油地质及工程技术资料,作为完井和开发油田的原始资料。在油田生产中,通过试油、试采和一段时间开发之后,可以结合测井曲线重新定义各储层的流体性质,也可利用测井曲线计算不同储层的孔隙度、渗透率、含油饱和度等原始物性参数,进行二次储层评价。在油田开发半年到一年这段时间内进行二次储层评价是非常有必要的,可以有效地指导油田生产开发,开展注水方案调整和措施挖潜。
In oil drilling, logging has to be done after drilling to the design depth to obtain a variety of petroleum geology and engineering data as a source for completion and development of the field. In oilfield production, fluid properties of each reservoir can be redefined with well logging curves after oil testing, exploratory mining and period of development. Logging curves can also be used to calculate the porosity, permeability and oil saturation of different reservoirs Degree and other original parameters, the second reservoir evaluation. It is very necessary to carry out secondary reservoir evaluation during the six months to one year of oilfield development, which can effectively guide the oilfield production and development, adjust the water injection plan and tap the potential.