Quartz pression simple

DESCRIPTION Simple Quartz Pressure The SPCN Quartz Pressure Tool uses an industry standard precision quartz crystal pressure transducer. The tool measures pressure and gauges temperature.



Well pressure is transmitted through an insulating metal bellows to a volume of silicone oil which surrounds the quartz pressure crystal. Changes in hydrostatic pressure alter the resonant frequency. A second crystal, not subject to external pressure, provides temperature compensation and allows precise, high-resolution pressure calculations.


Analysis of draw and build-up pressure transients.

– Measurement of the pressure gradient at the bottom of the hole. TOOL INTERFACTIONS AND COMBINATIONS Mbus, SRO (surface read) or Ultrawire™ Mbus QPS interfaces directly to MPL, XMW and XSH telemetry tools It can be used for memory logging or SRO. SRO QPS can be placed anywhere in the chain and can combine with a second Ultrawire QPS can be placed anywhere in the chain and can combine with others It can be used for memory or recording ORS. Sondex compatible and OPTIONS Ultrawire™ toolbus (UW) or Memory toolbus (Mbus) Waterline memory or surface reading mode (with appropriate telemetry controller).


QPS Telemetry XTU or UMT

Pressure (max) 105MPa

Temperature (max) 177°C

Measuring range 0 – 15000 psi

Resolution 0.008psi & <0.005 Deg C

Accuracy ±0.02%.

Linearity <0.01% FS

Repeatability <0.01% FS

Hysteresis <0.01% FS

Drift Less than 3psi per year

Voltage (nominal) 18VDC

Current <20mA

Length 482mm

Measuring point 74mm

Diameter 43mm

Weight 4kg

Material Corrosion resistance

Through end thread (top/bottom) 13/16″ 12 UN2A

GO End Connector (Top/Bottom) Single 4mm banana connector.

Weight 1 kg


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