Radial horizontal well is the most complicated one in horizontal well series, it has a major horizontal section and one or several branch sections.
辐向水平井是水平井系列中的高难度井，它除了有一段水平井段外，还有另外一条或多条分支井段。
Each of the magnetic sections has sucking end in bevel structure inclined in circumferential direction or in radial direction.
一种斜面结构是结合面沿圆周方向为斜面；另一种斜面结构是结合面沿径向为斜面。
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