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Low Temperature Network Geophone
- Passive, 3 component geophone. 2 elements / axis
- Typical sensitivity. 57.6 V/m/s
- Dimensions. 50mm OD, 0.4m length
- Overall temperature rating. 50°C
- Pressure rating 7 MPa (1000 psi) at 25°C
- Cable. 3 shielded, twisted pairs and overall screen
- Construction. Kevlar strain member. Polyurethane sheath
- Cable termination. O ring seals
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High Temperature Wireline Geophone
- Active, 3 component geophone. 1 sensor / axis
- Typical sensitivity. 1600 V/m/s at 200°C including downhole gain
- Dimensions. 87.5mm OD, approximately 1m length
- Overall temperature rating. 200°C
- Pressure rating 25 MPa (3600 psi ) at 25°C
- Cable. High temperature 7 conductor wireline
- Cable construction. According to borehole fluid
- Cable termination. Pressure balanced, 7 pin
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High Temperature Wireline Accelerometer
- Active, 3 component accelerometer. 1 sensor / axis
- Typical sensitivity. 100 V/g including downhole gain
- Dimensions. 72.5mm OD, approximately 0.7m length
- Overall temperature rating. 150°C
- Pressure rating 35Mpa (5100psi) at 25°C
- Cable. High temperature 7 conductor wireline
- Cable construction. According to borehole fluid
- Cable termination. Pressure balanced, 7 pin
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Hostile Environment Geophone
- Active, 3 component geophone. 1 sensor / axis
- Typical sensitivity. 1600 V/m/s at 200°C including downhole gain
- Dimensions. 92mm OD, approximately 0.85m length
- Overall temperature rating. 200°C
- Pressure rating 103 MPa (15000 psi ) at 25°C
- Cable. High temperature 7 conductor wireline
- Cable construction. According to borehole fluid
- Cable termination. Pressure balanced, 7 pin.
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High Temperature Trigger Geophone
- Passive vertical component geophone. 1 sensor
- Typical sensitivity. 14 V/m/s at 25°C
- Dimensions. 43mm OD, approximately 0.3m length
- Overall temperature rating. 200°C
- Pressure rating 103 MPa (15000 psi ) at 25°C
- Cable. High temperature monoline
- Cable construction. According to borehole fluid
- Cable termination. Gearhart Owen single pin
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