神泉油田侏罗系油藏新钻井经济可行性分析

Analysis on Economic Feasibility of New Drilling Wells in Jurassic Reservoir in Shenquan Oilfield

从神泉油田基本情况和开发现状入手,分析了侏罗系油藏剩余可采储量和井网密度状况;计算了新钻井所要求的单井最小经济可采储量,并建立了单井小最经济可采储量与油价的关系;确定了不同油价下的最优井网密度以及对应的单井控制地质储量,得出了经济可采储量合理区域。当前情况下在神泉油田侏罗系油藏新钻开发井虽然经济上是可行的,但并不是最优选择。对已开发油田调整加密钻井的经济可行性提出了新的技术思路,对油田开发调整、投资有效分配及合理途径的选择具有现实指导意义。

Starting with the basic situation of Shenquan oilfield and actual development position, the paper analyzed the remaining recoverable reserves and the well density in Jurassic reservoirs; calculated the minimum economic recoverable reserves of the single well which the new drilling well was required and built the relationship between the minimum economic recoverable reserves of the single well and oil prices; conformed the optimal well density at the different oil prices and the corresponding single well controlled geological reserves; found the reasonable region of the economic recoverable reserves. Under present circumstances, in Shenquan Jurassic reservoir, drilling new development wells are economically feasible, but it is not the best choice. The new technical ideas about the economic feasibility of the adjustment infill well on the development of oil.fields was advanced in this paper, which has the practical direction significance for the development adjustment of the oil.fields, the efficient allocation of the investment and the choice of the reasonable way.