| 1. | Multi - arm caliper logging tool is mainly used for measuring inner diameter changes of the casings , provides evaluation data such as casing diameter changes , casing wall thickness , outer diameter variations of the casings , elliptic changes and equivalent damaging loading , etc 多臂井径测井仪主要用于测量套管内径变化,提供套管变径、壁厚、套管外径变化、椭圆变形及等效破坏载荷等评价资料。 |