GyroLogic™ Evo

Precision and reliability, taken to the next level. Meet the ultimate downhole directional survey tool – Suitable for any borehole survey needs, even in magnetic-disturbed environments.



Highly accurate, extremely reliable downhole directional survey tool that can be used in Wireline Gyro Survey and Magnetic Environments. Reference gyro designed for short hole applications. Operates in both wireline and memory mode.

Directional data at any interval

Versatile and built for heavy-duty use, the GyroLogic™ operates in both wireline and memory mode. Our engineers have developed an easy-to-use system that can run in a variety of applications.
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Survey in magnetically disturbed environments

The GyroLogic™ instrument is a highly accurate, extremely reliable downhole directional survey tool. With pinpoint precision, continuous mode allows for rapid surveying with data points registered at centimeter intervals.

Automated software shows QA/QC data

Our smart software ensures continuity & consistency throughout the operation. Automatically generate detailed pdf reports and easily share among stakeholders. Our data and reports are tamper-proof to ensure the highest standard of quality control.

wireless device

Technical Specifications

Outer Diameter 35 mm (1.38")
Length 1010 mm (39.76")
Weight 4.5 kg (9.92 lbs)
Operational Environment
Depth Pressure 4350 psi
Operational Temperature -10°C – +60°C (+14°F – +140°F)
Azimuth Accuracy 0.16°
Inclination Accuracy 0.05°
Gravity Toolface Accuracy 0.16°
Typical Positional Accuracy 0.2%*
Azimuth Range 0° – 360°
Inclination Range -90° – +90°
* Accuracy quoted on 1σ
**Subject to borehole profile
Survey Report At any interval
Communications Bluetooth®
Export SPT SmartCloud via WIFI or 4G LTE
Export Format PDF, Excel, CSV, LAS, DXF
Graphic Generation 2D, 3D
Handheld Device
Battery 20 hrs (8580 mAh)
IP Rating IP68, IP69K
Battery Type Lithium Ion Rechargeable
Operating Time 12 hrs

Automated quality control ensures your projects success

Our products are developed in-house, which means we oversee every aspect of production. We don’t outsource and hope for success, we build internally and expect it. With Stockholm Precision Tools you can trust that every product we develop is of the highest quality thanks to our experienced engineers

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Learn more about the GyroLogic™ Evo straight from the experts