Gyro While Drilling
The Gyro While Drilling (GWD) tool features an integrated self-north-sseeking gyro sensor, ensuring high performance in challenging environments such as strong magnetic fields and cased holes. Operating in conjunction with a Measurement While Drilling (MWD) system, it provrides accurate inclination, azimuth, and toolface measurements, and enables real-time transmission and monitoring of wellbore trajectory data.
Product Specifications
Product Specifications
Features
● Self-north-seeking, no ground calibration required
● Fiber optic gyro sensor and MEMS gyro sensor
● Not affected by magnetic fields
Applications
● Side-tracking
● Collision avoidance
● Areas of magnetic interference
Specifcations
Pulser Type | Bottom-Mounted Pulser | Rotary Pulser | ||
Product Model | 202 | 203 | 210 | 212 |
Tool OD | Φ42 mm (1.625″) | Φ48 mm (1.875″) | Φ48 mm (1.875″) | Φ48 mm (1.875″) |
Flow Rate | 5 - 20 L/s (80 - 320 gpm) | 10 - 55 L/s (160 - 900 gpm) | 6 - 76 L/s (95 - 1,200 gpm) | 6 - 76 L/s (95 - 1,200 gpm) |
UBHO Size | 3.75″/4.15″/4.75″ | 4.15″/4.75″/6.75″/8″/9″ | 4.75″/6.75″/8″/9″ | 4.75″/6.75″/8″/9″ |
Max. Pressure (customizable) | 80 MPa (11,500 psi) | 120 MPa (17,500 psi) | 120 MPa (17,500 psi) | 120 MPa (17,500 psi) |
Sensor Type | 2-axis fiber optic gyro sensor | 3-axis MEMS gyro sensor | ||
Inclination | 0 - 180°, ±0.2° | 0 - 180°, ±0.2° | ||
Azimuth | 0 - 360°, ±2° (6°≤Inc≤60°) | 0 - 360°, ±2° (6°≤Inc≤174°) | ||
Gravity Toolface | 0 - 360°, ±1° (6°≤Inc≤90°) | 0 - 360°, ±1.5° (6°≤Inc≤174°) | ||
Gyro Toolface | 0 - 360°, ±1° (Inc<6°) | 0 - 360°, ±1.5° (Inc<6° or Inc>174°) | ||
North - Seeking Time | 50 - 110s | 300s | ||
Max. Temperature | 125°C (257°F) | 150°C (302°F) | ||
Data Storage | 300h @ 10s interval | |||
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