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。
The features of buried hill reservoir are described, and the use of two-stage cementing 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。
The features of buried hill reservoir are described, and the use of two-stage cementing method, continuous open stage collar and cement basket is also presented.
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