产品展厅>>项目研发>>缝洞型储层波动-管渗耦合试井理论测试

试井分析技术是评价油气藏动态、完井效率以及措施效果的重要手段,对于认识油藏地质特征和确定油藏地质参数起到重要的作用。前期针对常规试井技术无法评价碳酸盐岩储层缝洞规模等重要信息的问题,通过技术攻关,初步实现了缝洞型储层试井理论的突破,本项目在前期研究基础上,进一步发展与完善缝洞型试井分析理论及方法。

波动_管渗耦合缝洞型储层试井理论完善。

考虑重力因素的缝洞型储层试井理论完善;

波动与流动耦合的试井方程特征参数研究;

无量纲参数定义和分析。

波动_管流耦合缝洞型储层试井模型完善。

考虑重力效应的渗流新方程;

考虑重力的无量纲参数定义;

考虑重力的无量纲方程求解;

考虑重力的缝洞型油藏试井分析方法研究:针对井-洞-缝模型;井-洞-缝-洞-缝模型;井-缝-洞-缝模型及井-缝-洞-缝-洞模型4类模型,通过压力及导数拟合得到时间及压力拟合值,结合定义的无量纲参数,实现通过压力恢复曲线反演地层、缝-洞参数。

波动_管渗耦合缝洞型储层试井解释方法应用。

串珠式的流动是纵向流动,重力对流动的影响可是一个重要的因素,本项目创新引入重力因素,完善缝洞型储层试井理论,并系统的阐述了新参数的物理意义,加强了室内试井解释与现场措施指导的结合性,具有同类产品没有的优势。

Products>>Project Development>>Theoretical Well Testing of Fracture-Hole Type Reservoir Fluctuation and Pipe-Seepage Coupling Well Testing

The well testing technology is an important method to evaluate oil-gas reservoir dynamics, well completion efficiency and effect of measures, identify geological characteristics/parameters of reservoir. According to the issue that regular well testing technology can not evaluate carbonate formation fracture-hole scale and some other information, we developed our method and the breakthrough of well testing theory of fracture-hole reservoir has been preliminarily realized. Based on the preliminary research, the Project further develops and perfects the theory and method of fracture-hole type well testing.

Improvement of well testing theory of fluctuation pipe-seepage coupling fracture-hole reservoir.

Improvement of well testing theory of fracture-hole reservoir considering gravity effect.

Equation of characteristic parameters research of fluctuation and flow coupling well testing.

Dimensionless parameters definition and analysis.

Improvement of well testing theory of fluctuation pipe-flow coupling fracture-hole reservoir.

New seepage equations considering gravity effect.

Definition of dimensionless parameters considering gravity effect.

Solution of dimensionless equations considering gravity effect.

Method of fracture-hole reservoir well testing considering gravity effect: According to well-hole-fracture model; well-hole-fracture-hole-fracture model; well-fracture-hole-fracture model and well-fracture-hole-fracture model, combing dimensionless parameters by pressure and derivative simulation, time and pressure simulated value can be obtained. We can get inversion of formation and fracture-hole parameters by pressure recovery curve.

Application of well testing interpretation method for Wave-Pipe-permeability coupled fracture-hole Reservoir.

Beaded flow is vertically and the gravity effect plays an important role, the project considers gravity effect creatively, perfects fracture-hole reservoir well testing theory and describes the physical meaning of new parameters systematically, improves the combination of indoor well testing interpretation and field measure guidance the advantages are unique.