Gyro Survey Tool (Wireline & Memory)
The Gyro Survey Tool measures inclination, azimuth, and toolface in drilling operations. It features high-precision gyros and self-north-seeking capability, ensuring accuracy in magnetic interference. It is particularly suited for well trajectory surveying in cased-hole environmens.
Product Specifications
Product Specifications
Features
● Fiber optic gyro sensor and MEMS gyro sensor
● Self-north-seeking, no ground calibration required
● Supports Wireline, Memory, Continuous modes
● Not affected by magnetic fields
Applications
● Cluster well orientation
● Old well re-evaluation, and cased hole well logging
● Areas of magnetic interference
Specifcations
Product Model | 205 | 206 | 208 | 209 |
Tool OD | Φ42 mm (1.625″) | Φ48 mm (1.875″) | Φ42 mm (1.625″) | Φ48 mm (1.875″) |
Survey Mode | Wireline, Memory, Continuous | Wireline, Memory | ||
Sensor Type | 3-axis MEMS gyro sensor | 2-axis fiber optic gyro sensor | ||
Inclination | 0 - 180°, ±0.2° | 0 - 90°, ±0.2° | ||
Azimuth | 0 - 360°, ±2° (6°≤Inc≤174°) | 0 - 360°, ±2° (6°≤Inc≤60°) | ||
Gravity Toolface | 0 - 360°, ±1.5° (6°≤Inc≤174°) | 0 - 360°, ±1° (6°≤Inc≤90°) | ||
Gyro Toolface | 0 - 360°, ±1.5° (Inc<6° or Inc>174°) | 0 - 360°, ±1° (Inc<6°) | ||
North-Seeking Time | 300s | 50 - 110s | ||
Operating Time Under Continuous Mode | ≤1,800s | / | ||
Operating Temperature | 0 - 150°C (32 - 302°F) | 0 - 200°C (32 - 392°F) (Heat Shield Probe) | 0 - 125°C (32 - 257°F) | 0 - 200°C (32 - 392°F) (Heat Shield Probe) |
Pressure Range | 80 - 120 MPa (11,500 - 17,500 psi, customizable) | |||
Power Supply | AC 85 - AC 250 V (50/60 Hz) | |||
Load Impedance | ≤200 Ω | |||
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