中文摘要：

从水平井多级压裂技术入手,在考虑原始井筒周围地应力分布状态的基础上,结合弹性力学理论和岩石拉伸破裂理论,分析压裂过程中裂缝的形态、裂缝参数优化等问题.

英文摘要：

Based on horizontal well multiple stage foracturing technology, and distribution status of crustal stress around original shaft, combined with mechanics of elasticity, this paper analyzes the shape of fracture and parameter optimization in the process of fracturing.