TECHNICAL PRINCIPLES

Explain the complex drilling process clearly.

Using structural cross-sections, media flow diagrams, and construction step diagrams, we help customers quickly understand how the drill pipe completes power transmission, slag removal circulation, and sample collection on site.

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TECHNICAL PRINCIPLES

View the working principle and flowchart by product.

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Working principle and flowchart of reverse circulation drill pipe

Structural profile / Media flow direction / Construction process

Blue indicates compressed air descending, while orange indicates gas and rock cuttings returning upwards along the central inner tube, suitable for deep hole and complex formation construction.

1Surface air supply

2Air downward flow

3Impact rock breaking

4Drill bit back suction

5Upward separation

6Sample collection

High slag removal efficiency; low sampling contamination; suitable for deep holes.

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Working principle and flowchart of roller cone drill pipe

Structural profile / Media flow direction / Construction process

1Equipment in place

2Connecting the roller cone drill pipe

3The power head rotates and applies drilling pressure

4The flushing medium reaches the drill bit through the drill pipe cavity

5After reaching the hole depth, the drill is pulled up to complete the drilling operation

6Rock cuttings return to the surface along the outer wall of the borehole.

Highly efficient torque transmission; stable rock breaking; rapid slag removal; adaptable to various geological formations.

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Do we need an engineer to explain the selection logic?

Send us the formation, borehole diameter, depth, and equipment model, and our team will explain and recommend a solution based on the working conditions.

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