据PelroleumEngineer报道，为了解决磨铣作业过程因转矩影响造斜器开窗磨铣准确性的问题，美国Dresser石油工具公司Guiberson分公司开发成一种Branchmaster重人系统，内设高强度定位装置，能可靠地控制侧向开窗的方向和深度，不需要使用底部封隔器，使处在侧钻下而的井身仍然保 According to PelroleumEngineer reports, in order to solve the problem of milling accuracy due to torque affecting whippen window opening during the milling process, the United States Dresser Petroleum Tools Company Guiberson Branch developed into a Branchmaster system, equipped with high-strength positioning device, can Reliable control over the direction and depth of sideways windows eliminates the need for bottom packers, leaving the wellbore under sidetracking still intact