Advanced Logic Technology (ALT)
ALT - Model QL43 ABIT -Slimhole, High Temperature Acoustic Borehole Imager
The QL43 probe line has been designed to standup against higher temperatures and pressures.With diameters of only 43mm (1 11/16”) the probes are available rated to 125°C (257°F) and 170°C (338°F) and withstand pressures of 700 bar (10160 psi). Ultrasonic televiewer, natural gamma, casing collar locator and deviation probes complement each other in the QL 43 probe line.
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- Technical specifications
- Diameter 43mm (111/16”)
- Length 1.77 m (70”)
- Weight 10kgs
- Max temp Open hole 125°C (257°F)
- Cased hole 170°C (338°F) (in development)
- Max pressure 700 bar (10160 PSI)
- Field exchangeable acoustic head*
- Acoustic sensor Fixed transducer and rotating focusing mirror
- Focusing Collimated acoustic beam
- Frequency 1.2 MHz - 0.5 MHz
- Caliper resolution 0.08mm (0.003”)
- Deviation sensor 3 axis accelerometer (170°C)
- APS544-3 axis magnetometer - 3 axis accelerometer (125°C)
- Operating conditions
- Cable type Mono, multi-conductor, coax
- Compatibility SCOUT/OPAL Scout / Opal (ALTIogger / Bbox)
- Digital data transmission
- Telemetry Variable baudrate telemetry according to cable length/type & surface system
- Logging speed Variable function of resolution, wireline and surface system
- Centralisation Required
- Borehole fluid Water, water based mud, brine, oil
- (oil based mud not applicable)