Lei Peng
Designed specifically for precision geological exploration | High-strength corrosion resistant | Improves sampling accuracy and drilling efficiency
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RC stainless steel non-magnetic reverse circulation drill pipe is designed for RC drilling, mineral exploration, directional drilling, and hard-rock deep-hole projects that require clean samples and stable tool performance.
The inner and outer tubes form independent channels, so cuttings return rapidly through the inner tube instead of crowding the borehole.
Yes. High-speed cuttings return through the inner tube can improve discharge efficiency by over 40% and reduce the risk of blockage or stuck drilling.
Cuttings return directly through the inner tube without mixing with upper formations or borehole-wall material, helping keep exploration samples clean and accurate.
The pipe body can use R780 steel or non-magnetic stainless steel, while the joints use 42CrMo alloy steel. The joint area is friction welded, heat treated, and strengthened for high torque and fatigue resistance.
R780 or non-magnetic stainless pipe bodies, 42CrMo joints, and integrated friction welding improve torsion resistance and fatigue resistance for stable deep-hole hard-rock work.
Yes. The non-magnetic version has very low magnetic permeability, reducing interference with MWD/LWD instruments and helping improve drilling accuracy by up to 60%.
Yes. Stainless steel or high-grade alloy steel options resist water, acid-alkali media, and hydrogen sulfide, with service life typically 3 to 5 times longer than ordinary drill pipes.
Yes. Length, diameter, thread, connection, material configuration, packaging, and markings can be evaluated according to the RC rig model and drilling project requirements.
Kaiyue supplies factory-direct RC drill pipes with 10+ patents, strong domestic market coverage, and export experience, with about 85% of products supplied to overseas markets.
Please provide pipe diameter, length, thread or connection type, quantity, rig model, drilling depth, formation condition, destination port, and any drawing or sample reference.
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