Floating displacement cementing technology and flush joint casing technology are the first application in sidetracking well of Dagang Oilfield.
漂浮顶替固井工艺、无接箍套管工艺技术是首次应用在大港油田侧钻井上。
2
The technology of casing well sidetracking is an effective way to restore dead well and abandoned well.
套管开窗侧钻技术是复活死井、报废井的有效方法。
3
Because the limit of special casing program of sidetracking well and horizontal well, the fishing success ratio of conventional little junk fisher is low.