36 inch rock reamer
Size | 36" |
Cutter Type |
Elastomer sealed bearing cutters for 17 1/2" tricone bit |
IADC | 217 |
Roller Cutter Quantity | 5 |
Overall Length(mm) | 1800 |
Thread Connection | 6 5/8 REG pin & box(Customized) |
Application |
Medium formations with high compressive strength, such as medium shale,hard gypsum,medium soft limestone,medium soft sandstone,soft formation with harder interbed,etc. |
Rock Reamer / Hole Opener Introduction
HDD Hole opener ranging from 12 to 66 that is divided into two type: MT cutter and TCI cutter, and is used in various compressive strength of the formations.
Small torque force can be applied to hole opening with drilling machine.
Three steps in such operation are:
1 step: oriented hole operation.
2 step:hole opening.
3 step: pipe pulling.