As a main transmission component (coal mining machine, coal mine directional drilling rigs, gas drainage machines, coalbed methane development equipment), coal machine non-magnetic drill pipes target harsh and special coal mining mining environments (narrow underground roadways, soft/fractured coal seams, high humidity, coal dust erosion and strict gas safety requirements) and use primarily the following roles: Create a continuous non-Magnetic channel on coal machine drill string (dispose of magnetic field on coal mine-specific precision tools (gas concentration sensor, borehole trajectory detector, coal seam logging tool). Coordinate the position of drilling targets and collect the coal seam data reliably. Leverage drilling power (torque/axial load) and drilling fluid between coal mining machinery and drill bit and adapt to low strength and easy-collapse coal seams to avoid excessive vibration caused borehole collapse and gain drilling efficiency. A compact and lightweight construction of coal mining machine that supports flexible operation, assembly and separation of mining machines in narrow underground roadbeds as compared to traditional coal mine drilling machine interfaces.stand harsh coal mine downhole conditions (high humidity, CO dust abrasion and moderate corrosion), corrosion resistant non-muting alloys and wear resistant surface for long-term reliable operation without any degradation in drill string performance. Leveraged by a simplified design that allows to incorporate coal mining tools rapidly into mine drilling rigs and support efficient operation in narrow holes.
We are capable of producing a variety of standard-grade products and providing customized services based on demand. Reference data for some models are as follows:
The products are manufactured in full compliance with API 7-1 and ISO 9001 standards. With our complete testing equipment, we can provide product certification and supporting test data.
Specifically engineered to pair with coal mining equipment, non-magnetic drill pipes for coal mining machinery underpin applications in mine gas control, coalbed methane extraction, and underground geological exploration. Their primary uses include the following areas:
Underground horizontal directional gas drainage: Match coal mine gas drainage rigs to transmit drilling power and fluid stably in soft high-gas coal seams. The non-magnetic property ensures accurate positioning of gas drainage boreholes by avoiding interference on trajectory detectors, improving gas extraction efficiency and reducing mine explosion risks.
Pre-mining gas pre-drainage drilling: Adapt to fractured coal seams, with wear-resistant pipe bodies and corrosion-resistant materials maintaining drill string integrity in high-humidity environments, preventing drill pipe failure-induced borehole abandonment.
CBM directional production wells: Cooperate with coalbed methane development rigs to penetrate coal seams efficiently, providing a continuous non-magnetic channel for downhole sensors to accurately measure coal seam gas content and thickness. The compact structure adapts to long horizontal section drilling in coal mines.
CBM exploration wells: Match core drilling machines for coalbed methane exploration, ensuring interference-free collection of subsurface geological data and supporting accurate evaluation of CBM resource potential.
They link coal mine geological logging machinery for coal seam penetration, with non-magnetic performance safeguarding accurate measurement of coal seam thickness and structure free from magnetic field distortion, thus offering data support for coal mine mining planning.
Coal mine fault and water-bearing structure exploration: Match fault detection drilling machines to maintain drill string stability in fault zones or water-bearing coal seams, with corrosion-resistant pipe bodies adapting to high-humidity environments and protecting water level monitoring instruments.
Mine roadway expansion directional drilling: Match small-sized coal mine roadway drilling machines, with a compact design facilitating operation in narrow roadways. The wear-resistant surface withstands coal dust erosion, extending service life in dusty mining environments.
Coal mine water control drilling: Connect water detection and drainage machinery, with a sealed pipe body preventing drilling fluid leakage and non-magnetic performance ensuring accurate water level and water quality monitoring.
Since 2009, SHANXI ZHONGHE has specialized in the development and production of non-magnetic drilling tools. We maintain complete control over the entire manufacturing process, which includes the smelting, forging, and machining of non-magnetic materials. With strict quality control implemented at every stage, each individual product undergoes thorough inspection throughout the production process.We strictly adhere to the American Petroleum Institute (API) standards and primarily utilize materials graded P530, P550, and P650 in our manufacturing processes.
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