Based on the research of basal geology, depositional evolution, stress and fluid of the development area, this thesis simulated the sandstone of SI and its cap mudstone which located at the Beibei Transition Strap of Lamadian in Daqing Oil field by limited difference method to learn mudstone rheological property and optimum balance of injection-productionin in high-fluid-pressure system.
在开发区的地质演化、沉积、以及应力、流体研究的基础上,主要采用有限差分的方法,对开发区泥岩的流变特性以及最优注采平衡问题开展模拟研究,获得的认识及成果如下:油田在注水开发过程中,地应力大小及分布受注采条件变化的影响。
In consideration of the problem of big heat loses,influencing development effect and poor consolidation in formation as bare tubing is used for steam injection,cement annulus is damaged easily in steam injection and channeling is caused outside the tubing during the steam soak in Xinzhuang and Yanglou Oilfields,a technique for heat insulation and injection and production inφ139.
7mm套管井隔热注采工艺技术。
This article researches the injection-production system in one segment of Huabei Oilfield,analyzes the injection-production system of whole segment and decides the reasonable injection-production system,from well pattern adaptation,ratio of injection-production and well numbers,pressure adaptation,reasonable pressure level.
研究华北某断块油藏注采系统,从井网适应性评价、合理注采比、注采井数比评价、注水系统压力适应性评价、合理压力水平评价四个方面入手,分析整个断块注采系统的情况,确定了合理的注采系统。
Based on the example in Min114 block at Xinmin oil field,the authors analyze the relation of the fracture and crustal stress,measure the direction and length of the hydraulic fracture by receiving the microseism signals when the terrene is broken,which provides a basis for deploying reasonable flood pattern for development of low permeability reservoir.
以新民油田民114区块为实例,利用微震裂缝监测技术,通过接收地层破裂时的微震信号测定水力压裂产生的人工裂缝的走向与长度,分析裂缝发育与地应力的关系,为低渗透油藏开发中合理部署注采井网提供依据。
The report computes the producing gas equation of the gas well and pressure nodes,determines dynamic relationship curve between the inflow and outflow of the injection and production well.
凝析气藏地下储气库单井的注采能力主要受储层渗流能力和井筒性质的影响,通过气井的产气方程及节点压力分析法的计算,确定出注采井的流入流出动态关系曲线,在考虑最小携液流量和冲蚀安全流量的约束条件下,计算了储气库内单井的注采能力,并对其主要影响因素进行了分析,为储库的优化运行提供科学依据。
Considering the smallest carrying liquid flow and traffic safety erosion condition,the injection and production capacity of the single well in underground cond.
凝析气藏地下储气库单井的注采能力主要受储层渗流能力和井筒性质的影响,通过气井的产气方程及节点压力分析法的计算,确定出注采井的流入流出动态关系曲线,在考虑最小携液流量和冲蚀安全流量的约束条件下,计算了储气库内单井的注采能力,并对其主要影响因素进行了分析,为储库的优化运行提供科学依据。
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