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本文应用油田开发工程经济学的基本原理,论述了最低合理单井日产油量的概念,分别叙述了溶解气驱及水驱开采的油田最低合理单井日产油量的确定方法,提出了五种计算最高允许采油成本的方法,论述了综合考虑单井日产液量、含水百分数、单井日产油量和最高允许采油成本,确定最低允许单井日产油量和油井最高允许含水百分数的计算方法;最后,利用最低合理单井日产油量的概念,提出了计算单井控制石油地质储量最低界限的计算公式及其理论依据。
In this paper, the basic principles of oilfield development engineering economics are discussed. The concept of the lowest reasonable single well daily oil production is discussed. The methods for determining daily minimum oil production of the lowest rational single well in oilfields with dissolved gas drive and water flooding exploitation are respectively described. The method of calculating the maximum allowable oil recovery cost is discussed. The calculation method of determining the minimum allowable single well daily production capacity and the maximum allowable water content of the well considering the daily production of single well, the percentage of water content, the daily output of single well and the maximum allowable production cost is discussed. Finally, by using the concept of the lowest reasonable single-well daily oil production, a formula to calculate the minimum limit of single-well controlled petroleum geological reserves and its theoretical basis are proposed.