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Measurement while Drilling Tools Specification
Operating Specifications
| MWD Equipment Specifications |
|
| Inclination |
0- 180 |
| Inclination Accuracy |
± 0.1˚ |
| Azimuth Range |
0˚ - 360˚ |
| Azimuth Accuracy |
± 1.0˚ (Inc >10˚, Dip < 70˚) |
| Tool Face |
(Gravity) ± 1.0˚ |
| Tool Face (Magnetic) |
± 2.25˚ (Inc > 10˚, Dip < 70˚) |
| Gamma (Optional) |
API-calibrated 0 - 800 API; ±0.16 API |
Sensor |
|
| Directional |
Tri-axial fluxgate magnetometer with USGS-traceable calibration; quartz accelerometer |
| Gamma (Optional) |
Scintillator/PMT unit |
Product Specifications |
|
| Signal Transmission |
Positive mud pulse |
| Pulse Height |
Adjustable |
| Retrievable/Reseatable |
Available |
| Fixed-mount |
Available |
| Activation |
Electromechanical |
| Operating Voltage |
28 - 40 VDC |
| Pulsar sub O.D. |
| 9.5, 8, 6.25 to 6.75, 4.75, 3.5 & 3.125 in.** |
241 , 203, 159 to 171,121, 89 & 79 mm** |
| 9.5 in. or larger – 650 to 1200 gpm |
241 mm or larger – 41 to 76 L/sec |
| 8 in. – 300 to 1100 gpm |
203 mm – 19 to 69 L/sec |
|
| Flow Ranges |
| 6.25 to 6.75 in. – 150 to 750 gpm |
159 to 171 mm – 9 to 47 L/sec |
| 4.75 in. – 150 to 350 gpm |
121 mm – 9 to 22 L/sec |
| 3.125 & 3.5 in. – 70 to 250 gpm |
79 & 89 mm – 4 to 16 L/sec |
|
| Sand Content |
<1% by volume recommended, 2% by volume max |
| LCM Tolerance |
50 lb/bbl medium nut plug 143 kg/m3 medium nut plug |
| Shock |
500 g, 1 ms, 5,000 shocks per axis |
| Vibration |
25 g RMS, 20 - 500 Hz bandwidth |
| Operating Temperature |
-13˚ to 302˚F, 347˚F option -25˚ to 150˚C, 175˚C option |
| Maximum Pressure |
20,000 psi 137.9 MPa |
| Differential Pressure |
No requirement |
| Dogleg Capability |
API connection limited |
Surface System
| SIU & Plotter General Specifications |
|
| Electrical Requirements |
100 - 240 VAC, 50 - 60 Hz, 13 W |
| Operating Temperatures |
|
| Storage Temperatures |
| 14˚ to 185˚F |
-10˚ to 85˚C |
|
"Ruggedized" System |
|
| |
| Case – 19 in. EIA Standard |
Case – 483 mm EIA Standard |
|
| Directional |
| 17 in. (h) x 27 in. (w) x 34.25 in. (d) |
482 mm (h) x 686 mm (w) x 870 mm (d) |
|
| |
| Weight – 125 lb |
Weight – 56.7 kg |
|
| |
| Case – 19 in. EIA Standard |
Case – 483 mm EIA Standard |
|
| Directional & |
| 17 in. (h) x 27 in. (w) x 34.25 in. (d) |
482 mm (h) x 686 mm (w) x 870 mm (d) |
|
| Depth Tracking |
| Weight – 125 lb |
Weight – 56.7 kg |
|
"Lite" System |
|
| Directional |
| 5.5 in. (h) x 22 in. (w) x 20 in. (d) |
140 mm (h) x 559 mm (w) x 508 mm (d) |
|
| |
| Weight – 22 lb plus laptop |
Weight – 10.0 kg plus laptop |
|
| Directional & |
| 5.5 in. (h) x 22 in. (w) x 20 in. (d) |
140 mm (h) x 559 mm (w) x 508 mm (d) |
|
| Depth Tracking |
| Weight – 22 lb plus laptop |
Weight –10.0 kg plus laptop |
|
Printrex Plotter |
|
| |
| 7.25 in. (h) x 22 in. (w) x 20 in. (d) |
184 mm (h) x 559 mm (w) x 508 mm (d) |
|
| |
| Weight – 37 lb |
Weight – 16.8 kg |
|
Rig Floor Displays |
|
| Standard |
| Certified Zone 1 Division 2; 9 in.; wireless |
| -4° to 140°F (-20˚ to 60˚C) operating; -40˚ to 167˚F (-40˚ to 75˚C) storage |
|
| Low-temperature |
| Certified Zone 1 Division 2; 15 in.; wired/wireless |
| -40° to 122°F -40° to 50°C operating;40° to 167°F 40° to 75°C storage |
|
Surface Sensors |
|
| Pressure Transducer |
| 4 - 20 mA current loop; certified Zone 1 Division 2 |
| -40° to 250°F (-40˚ to 121 ˚C) operating; -67˚ to 302˚F (-55˚ to 150˚C) storage |
|
| Hook Load Sensor |
| 4 - 20 mA current loop; certified Zone 1 Division 2 |
| -40° to 180°F (-40˚ to 80˚C) operating; -40˚ to 257˚F (-40˚ to 125˚C) storage |
|
| Depth Encode |
| Standard NAMUR Type; certified Zone 1 Division 2 |
| -40˚ to 180˚F (-40˚ to 80˚C) operating; -40˚ to 257˚F (-40˚ to 125˚C) storage |
|
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