On the base of that, the matching construction of the ocean workover rig for side tracking was discussed. This provided a new way for the slim hole drilling.
在此基础上，针对一种具体的钻井工艺完成了海洋修井机用于开窗侧钻作业的配套方案研究，为海洋小井眼开窗侧钻作业提供了一种新的途径。
Jiangsu Oilfield has already finished more than 40 side tracking Wells successfully. All the side tracking Wells finished are within the range of target district.
江苏油田已成功完成了40余口套管内侧钻井，所完成的侧钻井全部中靶，最小靶心距不到1米。
Based on the analysis of pump pressure, tension variation, and drilling speed, the existing problems of ultra-short radius side tracking horizontal well were presented.
通过对钻井过程中泵压、张力变化及机械钻速的分析，指出了超短半径侧钻水平井钻井技术存在的主要问题。
This article introduces the engineering flow and technical measures for casing side-tracking of complicated accidental Wells according to well B1 and characteristics of WZ12-1N oilfield.
文中结合涠洲12 - 1n油田特点，以B1井为背景，介绍了复杂事故井套管开窗侧钻从准备到实施的整个工艺流程和技术措施。
Optimizing casing retrieving depth and side-tracking point by minimum cost method due to different kinds of abandoned Wells.
根据不同类型报废井，按最低成本法优选取套深度和侧斜点。
Optimizing casing retrieving depth and side-tracking point by minimum cost method due to different kinds of abandoned Wells.
根据不同类型报废井，按最低成本法优选取套深度和侧斜点。
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