新场气田J_2s^2气藏整体压裂改造开发井网优化设计

Optimum design of developing well network by integral fracturing the compact gas reservoir of the Jurassic Shaximiao Formation in the Xinchang gas field,Sichuan,China

新场气田为典型的低渗致密气藏,整体压裂改造是规模开发该气藏的必需技术。作者在裂缝长度、裂缝导流能力优化设计的基础上,进行了J2s2气藏井网优化设计,确定开发井网部署应按最大水平主应力方向布置,井排方向为N120°~130°E。实践证明,该项研究促进了气藏储量的动用和升级,实现了气藏的规模开发,提高了气藏的整体开发效果和效益。

Integral fracturing is a necessary technique to develop the Shaximiao gas reservoir, because the gas reservoir is a typical compact one. Based on the optimum design of the fracture length and its diversion capability of the fracture, the design of the well network should been laid in the direction of the maximum horizontal principal stress. The direction of well array is N120°-130°E. Field trial has proved that this research has advanced the usage and upgrade of the gas reservoir reserves. The gas reservoir has been developed effectively, and its development effect and benefit have been improved.