| Customization: | Available |
|---|---|
| Customized: | Customized |
| Standard: | API |
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Roller cone bit IADC code |
IADC code of diamond bit |
Formation description |
Rock type |
Compressive strength(Mpa) |
ROP(m/h) |
|
111/124 |
M/S112~M/S223 |
Very soft:sticky soft formation with low compressive strength. |
Clay Siltstone sandstone |
<25 |
>20 |
|
116/137 |
M/S222~M/S323 |
Soft:soft formation with low compressive strength and high drillability. |
Clay rock Marl Lignite sandstone |
25~50 |
10~20 |
|
417/527 |
M/S323~M/S433 |
Medium soft:soft to medium formation with low compressive strength and steak. |
Clay rock Marl Lignite Sandstone Siltstone Anhydrite Tuff |
50~75 |
5~15 |
|
517/537 |
M322~M443 |
Medium:medium to hard formation with high compressive strength and thin abrasive streak. |
Mudstone Dark rock shale |
75~100 |
2~6 |
|
537/617 |
M422~M444 |
Medium hard:hard and dense formation with high compressive strength and medium abrasiveness. |
Dark rock Hard shale Anhydrite Sandstone Dolomite |
100~200 |
1.5~3 |
1. Hole Opener: The Essential Element for Precision Drilling
1. Typically, drillers initiate their projects by creating a smaller pilot hole. The strategic use of a hole opener follows, enabling efficient enlargement. This technique is a standard approach in scenarios where drilling machines possess lower power or when the end-hole dimensions are exceptionally large.
of regular drilling technology when the drilling machine is lower power or the end-hole is too bit
2. Customization is our forte; we tailor hole openers and solutions to match various rock hardness, desired drilling depths,
size of pilot hole, size of end-hole
3. Incorporating tricone bits as pilot bits transforms the hole opener into a robust rock borer. This configuration proves indispensable for well drilling projects that demand special sizes, ensuring adaptability and precision.
as pilot bits is always applicable in special sizes well drilling
4. The reamer is ingeniously designed with four or more cones, each contributing to a seamless drilling experience.
5. Cutting-edge technology is embodied in our reamers, featuring premium tungsten carbide hard facing or tungsten carbide inserts. These advanced materials enhance the wear resistance of our tools, ensuring they endure even the toughest drilling conditions.
of formulas and netechniques is utilized, and increases wear-resistant capability of reamer
6. The pilot component is engineered using a tricone bit, providing the foundational strength and precision needed for successful drilling operations.
7. Seal and Lubrication: Employing high-performance HNBR O-rings for superior bearing seals, complemented by advanced lubrication grease, ensures our reamers operate smoothly and efficiently.
8. Product Applications: Our 6 Blade PDC Reamer Bit is perfectly suited for large-scale well drilling, mining endeavors, and significant infrastructure projects, making it a versatile choice for diverse applications.
9: Recommended Drilling Parameters: Please be aware that the size and number of cones are meticulously tailored to meet each customer's unique specifications and requirements.
customer's requirements
2. Advantages of Hole Opener Bits: Unleashing new possibilities in directional crossing operations.
Directional crossing operation is a cornerstone in unexcavated projects, encompassing three essential steps:
1, Oriented Hole Operation; 2, Hole Opening; 3, Pipe Pulling.
Hole opening stands as the pivotal challenge in this sequence, demanding expert selection of hole openers based on operational equipment and formation characteristics. The choice of the right opener is crucial to overcoming this demanding task with success.
choosing according to the operation equipment and formation.
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