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1,200m Deep Drilling Capability
Maximum drilling depth of 1,200m using φ89 drill pipe, exceeding the range of standard water well rigs and reaching deep confined aquifers and geothermal resources. This 1200m deep water well drilling rig features a φ600mm rotary table opening that supports large-diameter borehole construction for higher single-well yield, making it an ideal geothermal drilling machine for high-demand water supply and energy projects.
Four-Speed Rotary Control
The rotary table delivers four speed settings—43, 69, 101, and 139 r/min—with forward and reverse rotation. Operators can adjust drilling parameters in real time based on formation characteristics, optimizing drilling efficiency, reducing tool wear, and extending equipment service life.
50kN Dual-Winch High-Efficiency Tripping
Both main and auxiliary winches provide 50kN maximum lifting capacity with three hoisting speeds (0.9/1.4/2.9 m/s) for varied load conditions. The 15.3m mast with a 50-ton rated load significantly improves drill pipe handling efficiency and reduces non-drilling time.
Modular Power Configuration
The rig features a 274kW drilling motor, 75kW mud pump, 7.5kW hydraulic pump station, and 7.5kW air compressor. Each power unit is independently configured, allowing users to customize the setup based on geological conditions and process requirements. This modular drilling equipment eliminates power redundancy or insufficiency while adapting to diverse project demands.
Trailer-Mounted Easy Relocation
Built on a trailer chassis with transport dimensions of 14.6×2.8×4m, this trailer mounted water well drilling machine can be hauled by standard flatbed trailers. Weighing 25 tons, it requires no special transport permits. The modular design supports rapid on-site assembly and commissioning, maximizing equipment utilization and project responsiveness.
Model | ST-1200 | ||
Drilling Depth (with φ89 drill pipe) (m) | 1200m | ||
Rotary Table Bore Diameter (mm) | φ600 | ||
Maximum Rotary Table Torque (kN·m) | 12 | ||
Rotary Table Speed (r/min) | 43、69、101、139（forward &reverse） | ||
Maximum Lifting Capacity of Main winch (kN) | 50 | ||
Maximum Lifting Capacity of Auxiliary Winch (kN) | 50 | ||
Hoisting Speed (m/s) | 0.9、1.4、2.9 | ||
Rated Pressure of Hydraulic System (MPa) | 20 | ||
Kelly Bar（mm） | 108×108×10500 | ||
Effective Height of Derrick (m) | 15.3 | ||
Rated Load of Derrick（t） | 50 | ||
Mud Pump Model | F-130（user-selected） | ||
Motor Power（kW） | Drilling Rig：274 | Mud Pump：75 | |
Air Compressor：7.5 | Hydraulic Pump Station：7.5 | ||
Overall Dimensions (L×W×H) (m) | Transportation Status | 14.6×2.8×4 | |
Working Status | 13.5×4.2×17.9 | ||
Total Weight of the Rig (t) | 25 | ||
Deep Municipal Water Supply Projects
The ST-1200's 1,200m drilling capacity develops deep confined aquifers, providing stable, high-volume water sources for urban treatment plants and long-distance distribution networks. The φ600mm large-diameter borehole design significantly increases single-well yield, meeting concentrated water demand in densely populated areas.
Agricultural Irrigation and Drought Resistance Programs
In arid and semi-arid regions, the rig drills deep into underground aquifers to deliver reliable irrigation water for large-scale farmland systems. The trailer-mounted design enables rapid relocation across expansive agricultural zones, efficiently completing multiple irrigation wells and strengthening regional drought resilience.
Industrial Private Water Well Construction
Suitable for constructing private water wells at mining sites, manufacturing parks, and chemical facilities. The rig adapts to diverse geological conditions, meeting continuous industrial water demand, reducing external water procurement costs, and securing water resources for production operations.
Shallow Geothermal Resource Development
With its 1,200m depth capacity and powerful hoisting system, the ST-1200 is applicable for shallow geothermal well drilling. Four-speed rotary control and reverse rotation provide flexible drilling management for complex geothermal formations, supporting clean energy project implementation.
Q1: How deep can the ST-1000 drill, and what formations does it handle?
A1: The ST-1000 reaches a maximum drilling depth of 1,200m using φ89 drill pipe and handles soft soil, sand, gravel, and medium-hard bedrock formations. Drill bit selection and mud formulas should be based on your geological survey report. For specialized formations, please share site data for our recommended configuration.
Q2: What are the transport requirements? Is on-site installation complex?
A2: The trailer-mounted ST-1000 (14.6×2.8×4m, 25 tons) requires a standard flatbed trailer. The job site needs a level, solid foundation—we recommend a concrete pad or steel plates. We provide detailed installation guidance and remote technical support for rapid on-site deployment.
Q3: Are the mud pump and air compressor standard or optional?
A3: The F-130 mud pump (75kW) and air compressor (7.5kW) are user-selected options. You can choose different specifications based on your drilling process, formation type, and cuttings removal needs. We offer equipment matching recommendations tailored to your working conditions.
Q4: Do you provide after-sales service, technical support, and spare parts?
A4: Yes, we offer standard warranty coverage and long-term supply of common spare parts and wear items. We recommend stocking critical components based on your operation intensity to ensure continuous work. On-site technical training and troubleshooting support can be arranged with advance notice.
Q5: Can the rig be customized for my specific project?
A5: Yes. The ST-1000 supports configuration customization based on your drilling depth target, formation type, power supply conditions, and transport constraints—including motor power, mud pump model, and hydraulic system parameters. Please provide detailed project specifications, and our engineering team will develop a tailored solution.
