Core Barrel Drilling Guide: Triple-Tube Systems for Deep Extraction

Customizable  Items
Cutting DIA,Custom:design various cutting diameter based on demand,like&950&1050 etc.;
Shell HIT.Custom: design as demand,prolong or shortten,increase of efficiency by drilling more;
Key Component Reinforce Custom:strengthen the key component to extend life cycle;
Kelly Box Custom: custom kelly box size based on the kelly bar, like150*150 200*200 250*250 etc;
Teeth No. Custom: Encrypt the drilling teeth based on demand etc;