关键词: 油田, 注水开发, 经济评价, 油田注水开发经济评价模型, 动态盈亏平衡分析法

Abstract:

According to the characteristics of water flooding，and taking into consideration the reality of oil production decline and moisture content increase，this article establishes an economic evaluation model for water flooding，which combines estimation of investment，income and expenditure. The method used here is called dynamic breakeven analysis in technical economics. First，the authors calculate the daily production per well at different internal rates of return，different depths，different water contents at a certain oil price by Excel; then they use SPSS to conduct a regression analysis of the sample data and get the functional relations between the internal rate of return and the daily production per well，depth，water content respectively. Finally，the regression analysis model is applied to two blocks of a certain oil field to test its practicability.

Key words: oilfield, water flooding development, economic evaluation, economic evaluation model for water flooding development, dynamic break even analysis