在四川盆地，特别是盆地边缘，井下构造复杂。
The downhole structure is very complicated in the Sichuan basin, especially in the margin of the basin.
极端降水指数在北京地区减少非常显著，在四川盆地和雷州半岛则有较明显的增长。
Extreme precipitation index tend to decrease marked in Beijing area, but increase marked in Sichuan-Basin and Leizhou-Peninsula.
在四川盆地气田的排水采气生产中，气举和泡排作为单项成熟的工艺技术得到广泛应用。
As individual technology, dewatering gas production by gas lifting and by foam have been widely applied in the production in Sichuan basin gas field.
应用推荐