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1)  bypassing obstructions for connecting well
绕障连通井
2)  3D horizontal well
绕障水平井
1.
Sidetracking 3D horizontal well technique is one of the important ways to reduce the total drilling cost and increase the output.
通过分析完成的小井眼开窗侧钻绕障水平井(侧平苏204井)的施工情况,从开窗侧钻方式的选择、井眼轨迹的形状设计、钻具组合的优化和钻井参数的优选、钻井液性能控制技术等多个方面系统地阐述了小井眼开窗侧钻水平井钻井工艺。
3)  sidetrack well for bypassing obstacles
侧钻绕障井
1.
The planning process of sidetrack wells for bypassing obstacles generally includes describing the configuration of obstacles,planning path of the sidetrack well for bypassing obstacles in the horizontal projection drawing and vertical plots and calculating the well path.
随着加密井和侧钻井数量不断增加,侧钻绕障井越来越多,其设计和施工难度也越来越大。
4)  obstacle-avoiding horizontally butted wells
绕障水平对接井
1.
Shuanghe 5# Well in Changning of Sichuan Province is the first brine well applying obstacle-avoiding horizontally butted wells technology in the exploitation of deep hugely thick rock salt stratum.
四川长宁双河长5井,是国内第一口在深层巨厚岩盐层开采中应用绕障水平对接井技术的卤井。
5)  connection salt wells
连通盐井
6)  communication of thr ee wells
三井连通
补充资料:单连通和多(复)连通超导体(simplyandmultiplyconnectedsuperconductors)
单连通和多(复)连通超导体(simplyandmultiplyconnectedsuperconductors)

单连通超导体一般指的是不包含有非超导绝缘物质或空腔贯通的整块同质超导体,若有非超导绝缘物质或空腔贯通的超导体则称为多(复)连通超导体。从几何学上讲,在超导体外表面所包围的体积内任取一曲线回路,这回路在超导物质内可收缩到零(或点),且所取的任意回路均可收缩到零而无例外,则称单连通超导体。若有例外,即不能收缩到零,则称多连通超导体。例如空心超导圆柱体,则在围绕柱空腔周围取一回路就不能收缩为零。多连通超导体可有磁通量子化现象(见“磁通量子化”)。

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