油井经济极限产量与含水的一种确定方法

依据盈亏平衡的基本原理，考虑年产液量、年产油量、年注水量、吨液费用、吨油费用、吨注水量费用、吨油税金以及与井数有关的费用等因素，建立了经济极限产量、含水的关系式，为生产井经济极限产量、含水的确定提供了一种方法。经现场实例验证，证实了该方法的可行性，为已开发油田确定关井界限、预测经济可采储量提供了一种可行方法。

A Determination Method of Economic Limit Production and Water Cut in Production Well

According to the basic principle of break even, thinking about factors such as annual liquid production, annual oil production, annual water injection rate, expense of liquid production per ton, expense of oil production per ton, oil tax per ton, well numbers and so on, a equation of economic limit production and water cut is founded to provide a method to determine economic limit production and water cut of the production well. Pilot tests show that this method is feasible, and it provided a feasibility method to determine shut-in time and predict economic recoverable reserves in developed field.