CAJ | 학술논문

海14-20侧钻分支井是国内第一口使用自制系统、自行施工的具有TAML第四等级水平的3分支井。简单分析了分支井钻井与普通定向井或侧钻井的差异，主要介绍了海14-20侧钻分支井钻井地质设计、井眼轨迹控制、事故处理和几点关于现场施工的体会。
해14-20측찬분지정시국내제일구사용자제계통、자행시공적구유TAML제사등급수평적3분지정。간단분석료분지정찬정여보통정향정혹측찬정적차이，주요개소료해14-20측찬분지정찬정지질설계、정안궤적공제、사고처리화궤점관우현장시공적체회。
Hai14-20 sidetracking multi-branch Well is the first sidetracking three-branches well finished in China, which belongs to the fourth level of TAML. This paper briefly analyzes the difference between drilling multilaterals and common directional wells. The geologic design, trajectory control, downhole accident treatment and some application experience are also introduced.