| Customization: | Available |
|---|---|
| Accuracy: | ±0.1° |
| Horizontal Line: | ±0.1° |
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| M/LWD PARAMETERS | |||
| ITEM | UNIT | RANGE | PRECISION |
| Deviation | º | 0-180 | ± 0.1 |
| Azimuth | º | 0-180 | ± 1.0 @ Dev. < 3 |
| ± 0.5 @ Dev. > 3 | |||
| GTF | º | 0-360 | ± 1 |
| MTF | º | 0-360 | ± 2 |
| Temperature | ºC | 0-190 | ± 1 |
| Mud viscosity | s | ≤ 80 | |
| Sand content | % | ≤ 0.3 | |
| Solid content | % | ≤ 5 | |
| Compressive cylinder O.D. | mm | 38 / 48 | |
| Cylinder compression resistance | Mpa | 140 / 150 | |
| MWD overall length | m | 5.94 / 7.59 | |
| Distance measure point to point of location sub | m | 5.05 | |
| Battery working life | hrs | 800 | |
| Survey trans. Time | m | 3 | |
| Tool face trans. time | s | 15-30 | |
| Electromagnetic Resistivity While Drilling Performance Parameter | ||
| Item | Amplitude Resistivity | Phase Resistivity |
| Survey range | (2MHz):0.1 Ω.m -3000 Ω.m (400KHz):0.1 Ω.m -1000 Ω.m |
(2MHz):0.1 Ω.m -500 Ω.m (400KHz):0.1 Ω.m -200 Ω.m |
| Survey precision | (2MHz):±2%@ (0.1-50 Ω.m);±0.5ms/m(50-3000 Ω.m) (400KHz):±2%@ (0.1-25 Ω.m);±1ms/m(25-1000 Ω.m) |
(2MHz):±2% @ (0.1-25 Ω.m);±1.0ms/m(25-500 Ω.m) (400KHz):±5% @ (0.1-5 Ω.m);±5ms/m(5-200 Ω.m) |
| Max. temperature | 165ºC | |
| Max. pressure | 140MPa | |
| Vertical resolution | 8in(2MHz) / 12in(400KHz) | |
| Min, survey period | 10s | |
| Max. dog-leg severity | 9°/30m (rotation) ; 16°/30m (sliding) | |
| Φ 7" (178mm) Near Bit Azimuth Gamma Geosteering Sys Parameters | ||||
| Part a. ERT+ HR Dedicated Downhole Motor | Part b. Instrument | |||
| Tube OD · inches (mm) | 7 (178) | Tool O.D. | Φ 89mm-203mm | |
| Lobes ; Stages | 6/7 ; 9.0 | Gamma measure range | 0-500 API | |
| Power Section Overall L · inches (mm) | 275-3/5 (7000) | Deviation precision | ±0.1º | |
| Flow Rate Range · gpm (lpm) | 349-750 (1320-2840) | RPM | 110~240 | |
| Speed Range · rpm | 105-225 | Temperature | 0-175ºC/0-125ºC | |
| Rotation · rev/gal (rev/liter) | 0.30 (0.079) | Pressure | 20000 Psi | |
| Operation Torque · ft-lb (nm) | 17193 (23309) | Survey point to bit distance (box end face) |
89 95mm | 127 165mm |
| Operation Pressure Diff · psi (kpa) | 1928 (13300) | 240mm (Azi. gamma) | 410mm (Azi. gamma) | |
| Max Power · hp (kw) | 302 (225) | 420mm (Deviation) | 600mm (Deviation) | |
| W.O.B. · klbs (mt) | 66 (30) | Map computer out | Low side gamma / high side gamma / average gamma | |
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