friction gage 中文意思是什麼
friction gage
解釋
摩擦壓力計-
The crucial technologies of highly - displacement well mainly include torque / friction and wellbore trajectory control tool, and these technologies require rock bit have the following characteristics : having gage protection ability, long axletree lifespan, wear - resisting shirt - tail and head o. d., and high - temperature - resistant sealed system, etc
大位移井的關鍵技術主要有扭矩摩阻和井眼軌道控制工具,這些技術要求鉆頭具有以下特點:具有良好的保徑能力,軸承壽命長,掌尖和掌背部位耐磨損,密封系統耐高溫等。
分享友人