| Customization: | Available |
|---|---|
| Customized: | Customized |
| Standard: | AISI, API, ISO9001 |
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Soft to medium formations with low compressive strength, such as medium-soft shale, medium-soft limestone, medium-soft sandstone and medium formations with harder abrasive interlayers.
When using a trenchless hole opener, you need to pay attention to the following aspects:
1, Before assembling the drill tool to the drill pipe, you need to check the status of the drill bit or reamer. If it is a used drill bit or hole opener, you should check the followings: (details please check with us)
2, During the construction process, as a manufacturer of rotary drill bits, we only give the following suggestions on speed, drilling pressure, and mud displacement: (details please check with us)
3, Maintenance and storage of drilling tools: (details please check with us)
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