To raise the success rate of opening and closing the two-stagecementing tool, Model dsg-a cementing tool is developed.
为提高现有双级注水泥器打开和关闭的成功率,研制了DSG—A型系列双级注水泥器。
2
The features of buried hill reservoir are described, and the use of two-stagecementing method, continuous open stage collar and cement basket is also presented.
文中介绍了潜山油藏特点及采用二级注水泥方法,采用连续打开式分级箍、水泥伞。
3
The two-stagecementing technique was used for the protective casing of the horizonal well in Tahe oil field because of a long open-hole interval in secondary spudding.