| After-sales Service: | Provided |
|---|---|
| Warranty: | 1 Year or 2000hours |
| Manufacturing Process: | Casting |
| Surface Treatment: | Sand Blast |
| Operation Pressure: | Vacuum |
| Material: | Cast Steel |
| Customization: |
|---|
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Introduction
The NS C-FOG system uses a high performance 3-Axis Aerospace Fibers Optics sensor which allows the tool to perform North Seeking Azimuth measurements for well inclinations up to 90 deg as well as continuous Azimuth reading while tool is moving.
The Fiber Optics sensor is a very stable technology that does not require periodical calibration as the sensor characteristics do not shift with time resulting in a very reliable system for operation.
The system delivers accurate and reliable information of the wellbore trajectory, it requires less north seeking time compared to similar systems and has better mechanical specifications resulting in better shock and vibration resistance.
The system is an All-in-One system where it can be used for inclination Vertical-to-Horizonal wells and can configured to run in Real-time mode for orientation, Memory Drop mode for wellbore trajectory tracing while tripping.
Specification
| Inclination | 0° to 90° ±0.1° |
| Azimuth | 0° to 360° ±1° (6°<inc<60°) |
| Gravity High Side | 0° to 360° ±0.5° |
| North Tool-face | 0° to 360° ±1° |
| North Seeking Time | 30 Seconds |
| Continuous Operating Speed | 150 feet/min / 50m/min |
| Memory capacity | 64 Mbit; 200,000 shots |
| Calibration requirements | None |
| Wireline Cable resistance | ≤ 200Ω |
| Power requirements (Surface Box) | 110/220Vac |
| Power requirements- (MDM-Battery) | 9VDC |
| Operating Environment | |
| Max. Temp (No Heatshield) | 70ºC / 158ºF |
| Max. Temp (Heatshield) | 175ºC / 347ºF |
| Max. Pressure | 80MPa / 11,600psi |
| Shock | 1000G 0.5mS half sine wave |
| Vibration | 10G, 30Hz to 200Hz to 30Hz |
Features
Bottom-Mounted & Retrievable Positive Mud Pulse MWD
Wireless communication equipment, no need to lay out cablesModularized design, easy for update and maintenance
Adopt high-precision sensor component
Gamma and depth measuring system are option
Application
Oil & Gas drilling project
Coal mine construction
Tunnel and non-dig construction
Slim well orientation ! horizontal operation
Environmental Specification
Mud Viscosity ≤140s
Mud Density s2.5g/cm3
.Mud Sediment <1%
Mud Pulse Signal Strength 0.5MPa~2.0MPa
Mud Flow Rate 5-50L/s(LHE614501)
10-55L/S(LHE623501/LHE625601)
Specification
Inclination
0 to 180°+0.1°
Azimuth
0 to 360°±1.0°
High side tool face
0 to 360°+0.5°
Magnetic tool face
0 to 360°+0.5°
Data memory
300hrs @ 10s/record
Working time
180hrs (With Gamma) / 200hrs (Without Gamma)
Selective Parts
Depth system (Option)
Depth Range 0 to g999.99 m 1% (Single drill pipe)
Natural Gamma Module (Option)
API Range 0~500API+2%
2CPS/API(LHE623501/LHE625601)
1.5CPS/API(LHE614501)
172mm / 6.75"
300hrs @ 10s
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