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水驱油田剩余经济可采储量计算方法
石油与天然气地质
2005年 26卷 第No.3期
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Title
Calculation methods of remaining economic recoverable reserves in waterflooding oilfields
Authors
Ran Qiyou
Zhao Qingfei
Fang Kaipu
Zhao Xiaojun
摘要
水驱油田剩余经济可采储量的计算模型包括甲型、乙型、丙型和丁型4种水驱曲线,分别适用于不同粘度的层状油藏。求取经济可采储量的最本质原理是资金的赢亏平衡,而经济极限含水率可将水驱特征曲线、油价、成本等有机结合起来。经济极限含水率与油价和原油商品率成正相关关系,与吨油税金和吨液操作成本成负相关关系.
Abstract
Computation modes of remaining economic recoverable reserves in waterflooding oilfields include 4 types of waterfiooding curves,which are suitable for use in layered reservoirs with different crude viscosities respectively.The basic principle for calculating economic recoverable reserves is capital break-even,while waterflooding characteristic curves,oil price and cost should be integrated when calculating economic ultimate water cut.Economic ultimate water cuts are in positive correlation with oil price and commodity rate of crude oil,and in negative correlation with tonnage dues of oil and tonnage operating cost of fluid.
关键词：
计算方法;
吨液成本法;
水驱;
剩余经济可采储量;
Keywords:
calculation method;
tonnage-operating-cost method;
waterflooding;
remaining economic recoverable reserves;
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