地下储气库调峰产量与采气井数设计技术

地下储气库的调峰产量和采气井数是其设计的关键指标，目前国内主要以估算的方式来确定这两个参数，未见理论与实际成熟配套的技术方法，由此带来了地下储气库实际运行工作气量无法达标、采气调峰能力不足等后果，直接影响到了地下储气库的运行效果。为此，根据已建成的中国石油大港油田地下储气库群多年实际运行效果，在研究地下储气库实际调峰运行规律的基础上，以地下储气库不同调峰强度为模式，应用微积分数学描述方法，创建了以计算地下储气库日调峰气量、高峰期和低谷期采气井数为核心的马成MC公式，描述了地下储气库工作气量、调峰气量、单井产量、采气井数之间的数学关系，解决了在工作气量控制下调峰日产气量与采气井数的设计技术问题，对地下储气库的调峰产量预测和生产井数设计具有指导意义。

Productivity of the UGS storage wells and well numbers

The productivity of storage wells and well numbers are two key indexes in the design of UGS facilities, the determination of which still depends on estimation in present China. For lack of good enough theoretical and practical estimating methods, the actual operational working gas volume failed to reach the expected objective, and was unable to meet the peak shaving need, which leads to a poor performance of UGS facilities. In view of this, according to many years' actual practices of groups of UGS facilitities in the Dagang Oilfield and based on the study of the routine peak shaving of UGS facilities, the calculus method was applied to establish the domestic pioneer Ma Cheng (MC) Formula with the daily peak shaving gas volume, well numbers at peak and valley points as the core. This formula not only describes well the mathematical relationship between the operational gas volume, peak shaving gas volume, single well productivity, and well numbers, but solve such a technical problem in UGS design as how to balance the peak shaving daily gas volume and well numbers under the controlled working gas volume. This formula is of great value in forecasting the peak shaving productivity of UGS facilities and designing the production well numbers.