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The rig is unique patented equipment: Top drive rotary power head and a hydraulic rotary disk mechanism, hydraulic motors, hydraulic winch chain propulsion for deep hole drilling. The drilling system allows the rotary drilling technology with direct circulation as well as reverse circulation with mud and with DTH pneumatic hammers using compressed air, it can drill different soils and formations as loose layers, sandy zones, with gravel, hard rock layers and applications where drilling is required in large diameter boreholes.
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The guide rail goes with its own rolling system; which reduces the sliding resistance and also decreases the friction and improves the lifetime of the extension guide.
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Rotary power head adopts the separation mechanism; which makes the drilling operation of drill pipe at the bottom of the well easier.
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Two hydraulic regulating speeds are used for the rotary, and for the POOH or RIH of the drill string, which translates into an environment more suited to the specific needs of the work in each location.
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The hydraulic system is equipped with an independent hydraulic oil air cooling system and can optionally be fitted with a water cooler to ensure that the hydraulic system maintains a continuous and efficient operation under high temperature weather conditions, in different regions of the world.
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The hoist system can efficiently hoist parts and bottom hole tools for drilling.
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The drill rig is very convenient for drilling with compressed air and DTH hammer, using percussion and rotation drilling technology.
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Item |
Description |
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HFW300L |
Engine power (Cummins) |
132 Kw, 177 HP |
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Hydraulic mud pump |
480 l/min , 127 GPM |
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Maximum drilling depth |
300 m, (984 ft) |
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Borehole Diameter |
Soil 1000 mm (39”) ; Rock 300 mm (12”); 450 mm (18”) -when the depth is 200 m (656 ft) |
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Working air pressure |
1.05~2.46 Mpa, 152~357 psi |
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Total air consumption |
16~30 m 3 /min, 565~1060 CFM |
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Drilling efficiency |
10~25 m/h, 33~82 ft/h |
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Rod length |
3000 mm, 3 m, 10 ft |
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Rod diameter |
89/108/127mm, 3-½”/4-¼”/5” |
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Axial pressure |
150 KN, 33,721 lb |
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Lifting force |
150 KN, 33,721 lb |
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Hydraulic hoist |
100 KN, 22,481 lb |
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Slow down, slow speed |
9.2 m/min, 30 ft |
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Rise fast, fast forward speed |
50 m/min, 164 ft |
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Power Head Rotary Torque |
9000 Nm, 6638 ft-lb |
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Rotary Speed |
0~100 RPM |
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Main winch pulling force |
110 KN, 24,729 lb |
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Main winch pulling speed |
68 m/min, 223 ft/min |
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Main winch dumping speed |
112 m/min, 367 ft/min |
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Walking speed |
3 Km/h, 1.86 Miles/h |
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Climbing ability |
20° |
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Host Weight |
9,200 Kg; 20,283 lb |
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Mainframe exterior Size (L*W*H) |
7,200 x 2,200 x 2,880 (mm); 7.2 x 2.2 x 2.88 m; 23.62 x 7.22 x 9.45 ft |
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Note: Equipped with running light and air brake system and LED light of 24V, 80W |
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Item |
Description |
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Trailer mounted screw compressor, operated by diesel engine for drilling deep wells |
Free air delivery |
27 m 3 /min; 439.4 l/s; 952.9 CFM |
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Rated working pressure |
23 bar; 2.3 Mpa; 319 psi |
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Compressor oil tank |
100 l, 26 gal |
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Fuel tank capacity |
360 l, 95 gal |
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Noise level |
80 + / - 5 dB(A) |
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Operating temperature |
40 to – 10 ℃ |
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Engine power |
288 Kw, 386 HP |
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Number of cylinders |
6 /6 |
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Total weight |
4,460 (dry) ， 4,640 (wet) Kg, 2023 (dry), 2105 (wet) lb |
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Mainframe exterior size (L * W * H) |
3,810 x 2,000 x 2,500 (mm),; 3.81 x 2.0 x 2.50 m; 12.5 x 6.56x 8.20 ft |
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Note: Previous specifications are standard data under normal working conditions |
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Item |
Description |
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Drill pipe, bottles, substitutes, stabilizers, pneumatic hammer and drill bits |
100 JTS x 89 mm x 3000 mm (8 mm thick); 3-½ "x 10 ft (wall thickness 0.315") |
Drilling Joint (Material R780, standard API 2-3/8 "REG) |
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6 JTS x 89 mm x 3000 mm (9.19 wall thickness mm); 3-½ "x 10 ft (wall thickness 0.362") |
Drilling Joint (Material R780, standard API, 2 3/8 "REG) |
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6 joints 4-3/4 spiral DC |
API, NC38, 3 m/JT |
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Substitute crossover |
API, NC38 DC to 3-1/2 "API REG box |
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Substitute crossover |
API, NC38 DC to 4-1/2 "API REG Box |
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Substitute crossover |
API, NC38 DC to 6-5/8 "API REG Box" |
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Substitute crossover |
API, NC38 DC to drill pipe 2-3/8 "API REG box |
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Substitute crossover |
API, NC38 DC to pneumatic hammer |
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Head drive saver sub |
Several |
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Stabilizer |
152 mm, 216 mm & 254 mm; 6 ", 8-½"& 10" |
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Pneumatic hammer 360 |
Percussion tool (works with compressed air) |
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Shock subs for hammer |
Pneumatic hammer 360 |
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Fishing tool |
Taper tap |
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Pipe hoisting subs |
Several |
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Bit breakers basket for tricone bit |
216 mm and 254 mm; 8-½ "& 10" |
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Basket Assembly and interconnection of pneumatic hammer drill bit |
216 mm and 254 mm; 8-½ "& 10" |
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Steel Tooth Tricone, Open bearing –Soft formations |
152mm, 6 ' (3 1/2 "API REG Pin) |
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TCI Tricone drill Bit with sealed bearing –Hard formations |
152mm 6 ' (3 1/2 "API REG Pin) |
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TCI Tricone drill Bit with sealed bearing –Hard formations |
216mm, 8-1/2 "(4-1/2" API REG Pin) |
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TCI Tricone drill Bit with sealed bearing –Hard formations |
254mm, 10 ' (6-5/8 "Pin REG API) |
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Step-type drag bit |
216mm, 8-1/2 "(3 1/2" (REG) |
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Step-type drag bit |
254mm, 10 ' (3 1/2 "REG) |
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Pneumatic hammer bit - hard formation |
152 mm, 216 mm & 256 mm; 6 ", 8-1/2" & 10 " |
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Triangular drill bit for soil, sandy, clay, soft rock |
300 mm, 12 '' |
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Three wings bit for soft soil |
445 mm, 17-1/2 " |
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Auger pipe, dry drilling method. The rig connect auger pipe in tandem directly |
600 mm x 3 mm, 24 ' |
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