喇萨杏油田合理产液量规模

REASONABLE LIQUID PRODUCTION SCALE IN LA-SA-XING OILFIELD

通过分析喇萨杏油田2000年以来产液量变化趋势与特点，推导出了递减率、产液量增长率与液油比增长率的关系，以此为基础论证了喇萨杏油田今后提高产液量的必要性。从各类井采油速度匹配关系、压力系统状况和产液量、含水、流压三重分级等三个方面分析了提高油田水驱产液量可行性。在确定各类井网最高产液能力上限和调整产液比例原则的基础上，设计了不同的提高产液量方案，并运用系统工程优化了喇萨杏油田今后的产液量变化趋势，同时结合油田生产实际，提出了提高产液量的实施对策。

Relationship of decline rate and growth rate of liquid production vs. growth rate of liquid-oil ratio is derived by analyzing the trend and characteristics of liquid production since the year of 2000 in La-Sa-Xing Oilfield. On this basis, the necessity of improving liquid production in this oilfield is demonstrated. The feasibility of improving waterflood liquid production is analyzed from three aspects, including the matching relationships of production rates in basic or infilling wells, the pressure system and the threefold classification of liquid production, water cut and flowing pressure. Under the principles of determining the maximum liquid production capacity of various well patterns and adjusting the ratio of produced liquid, various schemes for improving liquid production are designed, and its implementation strategies are proposed based on the optimization of future liquid production trend in La-Sa-Xing Oilfield by system engineering, and combined with oil production practice.