| Place of Origin |
Jiangsu China (Mainland) |
| Type |
Reamer |
| Machine Type |
Drilling Tool |
Wirline Reaming ShellsSpecO.DI.D4647365960497575.5629191.576 Single-Tube Reaming ShellsSpecO.DI.D2828.520363725.5464733596045.57575.558.59191.572 Double-Tube Reaming ShellsSpecO.DI.D2828.521.5363727.5464736.55960497575.5649191.579 Big Hole Engineer GeologicSpecO.DI.D110111.3294130131.3117150150.3165170171.3153200200.3183 Diamond Reaming Shells are important tools to be used together with bits.Its main functions are maintaining borehole gage,improving drill string stability and protecting lower drill string from excessive wear. Helical type reaming shell provides a good passage for drilling fluids.The matrix is wearproof,and its service life is long.