ParaTrack2 Survey and Tracking System Specifications

Downhole Survey Probe:

Shock mounted tri-axial accelerometers and magnetometers, temperature sensors and digitizing circuitry contained in 1.750 in. dia. x 55.3 in. long beryllium copper pressure barrel.

Telemetry and power via wireline.

Temperature Rating:85°C

Pressure rating:1200 bar

Survey Accuracy:

Inclination:±0.15°

Azimuth:±0.40°

Toolface:±0.5°

Maximum wireline length:5000 meters

Interface Unit:

Input:85-265 VAC 50-60 HZ

Output:48VDC, 50 mA

 

Guidance System

A single signal wire earthed at each end or with a return wire to close the loop.

Guidance Unit Input:85-265 VAC 50-60 HZ

Guidance Unit Output:43 Volts, 6 Amps p-p max.

Position Accuracy:±2% of separation from signal wire

 

Drillpipe and Borehole Pressure Module

(requires compatible survey probe)

Borehole annulus gauge

0-500 psi Full Scale

1200 psi survival

2400 psi burst

Drillpipe gauge

0-2000 psi Full Scale

6000 psi survival

10000 psi burst

Non-linearity +/-0.1 %FS 
Hysteresis +/-0.015 %FS 
Repeatability +/-0.01 %FS