A special tool used to detect the diameter of downhole tubular objects. It is mainly used to check whether the drift diameter of casing, tubing, drill pipe and other internal holes meets the standard. It is a commonly used testing tool for downhole operations.
1.Lift-and-release retrievable barrel
2.Double slider salvage spear
Total length:452 mm
Maximum outer diameter: φ114mm
Overall height:330mm
Source:Natural products
Exterior:Colorless transparent liquid
Exterior:Colorless transparent liquid
Exterior:Dark brown homogeneous liquid
Exterior:Colorless or wine red transparent liquid