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Downhole Gyro-Surveying Systems and Borehole Survey Instruments

Stockholm Precision Tools is a leading manufacturer of downhole gyro-surveying systems, borehole survey instruments, and directional surveying and navigation products.

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Stockholm Precision Tools is a leading manufacturer of downhole gyro-surveying systems, borehole survey instruments, and directional surveying and navigation products. SPT products are ideal for the tough conditions and demanding requirements of the offshore/onshore oil and gas industry. Industry professionals around the world rely on our rugged, reliable and accurate downhole measurement and navigation tools to provide outstanding performance time after time.

SPT’s product range includes the GyroTracer Directional™ Continuous North-Seeking Gyro and the GyroLogic™ Fiber-Optic Gyro. All these instruments can be calibrated by the operator with the SPT Universal Calibration Stand.

High-speed continuous gyro

The newest product in SPT’s GyroTracer range is the GyroTracer Directional North-Seeking, High-Speed Continuous Gyro. This versatile tool can survey a wellbore at speeds up to 150m/min while simultaneously sending data to surface equipment.

The GyroTracer Directional is well suited to offshore applications as it can accurately survey all well profiles, from vertical to horizontal. It is a highly reliable instrument, able to handle continuous surveying at high latitudes or inclinations with no loss of accuracy, and it does not require any surface alignment or calibration prior to use, making it one of the most efficient and flexible gyro instruments available.

SPT is a specialist manufacturer of downhole gyro-surveying systems, borehole survey instruments, and directional surveying and navigation products.
The GyroTracer Directional north-seeking, high-speed continuous gyro.
The rugged GyroLogic downhole directional survey tool.
Universal Calibration Stand for calibration and testing of downhole survey instruments.
Offshore professionals worldwide rely on our borehole downhole measurement and navigation tools.
Ensure drilling accuracy and efficiency with SPT products.
Our friendly and experienced staff offer ongoing customer support and training.

Fiber-optic gyro

SPT’s new GyroLogic Downhole Directional Survey Tool uses a Fiber-Optic-based Gyro to find direction. This rugged, easy-to-use instrument can be employed in a variety of offshore applications, including shallow / deep borehole surveying, single shot / multi shot and continuous mode.

The GyroLogic Fiber-Optic Gyro can accurately survey all well profiles at all inclination angles, and can provide directional data (azimuth and dip) at any interval from inside all types of drill rods.

North-seeking gyro

The original GyroTracer Directional North-Seeking Gyro is extremely reliable. Featuring the latest technology, this accurate downhole directional survey and orientation tool uses the gyro-compassing method to find direction.

Unlike other downhole survey tools that use an indirect method or magnetic tools, the GyroTracer Directional North-Seeking Gyro is not affected by magnetic interference so it can be run inside casing, tubing, drill pipes and magnetically disturbed ground.

Downhole gyro navigation

The 42mm diameter GyroTracer Directional™ system is ideal for use in a range of applications in the offshore industry, including shallow borehole and deep borehole surveying, high-speed continuous mode, single-shot / multi-shot applications, slim-hole casing, orientation, whip stock kick-off, and downhole motor orientation.

Supplied with both wireline and memory-mode options, the GyroTracer Directional product is established as a benchmark technology for downhole gyro navigation, and the operating software that runs it is extremely user friendly.

Calibration and testing stand

The Universal Calibration Stand for the GyroTracer Directional is designed for testing and calibration. It is lightweight and hard-wearing, ideal for accurate testing of a range of downhole survey instruments. It is a compact, non-magnetic stand that features advanced design while remaining incredibly easy to use.

The Universal Calibration Stand allows customers to calibrate their tools on site, in just a few hours, saving time and money. It also enables accurate Quality Control checks of instruments in the stand and the option to simulate real situations. Tools can be tested in all inclinations (0-360º), toolface (0-360º) and azimuth angles (0-360º).

Magnetic inclinometers and portable calibration stand

SPT offers a variety of other products, including magnetic inclinometers and portable calibration stand. In addition, our friendly and experienced staff offers ongoing customer support and training so you can be confident that SPT is always on hand to support you. For further sales and rental information please contact us to discuss your specific requirements.

Gyro instruments for borehole surveying

SPT has dedicated a huge amount of resources, time and energy to R&D, and we constantly push ourselves to explore new areas, giving us wide-ranging expertise that can help you choose the correct gyro survey instrument for your project.

The GyroTracer Directional provides continuous reliable and accurate data for all types of borehole profiles. It can be utilized for various applications, including:

  • Borehole directional surveying
  • Wedge and motor orientation
  • Side tracking
  • Collision avoidance

White Papers

Press Releases

  • Oy KATI One Step Ahead with SPT Technology

    Oy KATI, a leading Finnish drilling contractor company specialised in ore prospecting, has recently invested in the latest downhole survey technology, manufactured and designed by Stockholm Precision Tools (SPT). In line with Finland's innovative high-tech companies, KATI's management

  • SPT Launches High-Speed Continuous Gyro

    Stockholm Precision Tools (SPT) is pleased to announce that it has developed an inertial north-seeking gyro that is now ready for the world market. The GyroTracer Directional will cut down survey time and saves time on the surface compared with other continuous north-seeking gyros on th

  • Investment in SPT North-Seeking Gyro Survey Tool Pays Off

    High above the deep valleys and canyons in Colorado’s Piceance Basin, Frank Westcott, the president of Colorado-based Native Navigation, faces a challenge. He’s listening to his directional driller’s plan to navigate a new borehole through 16 other wells already spudded from the drill pad they’re

  • Gyro Survey Tool More Accurate than MEMS Survey Instrument

    With millions of dollars on the line, even the smallest mistake can cost precious time and money. In the drilling industry mistakes cost more than money; they can result in significant damage to a company’s reputation or the environment. Most drilling contractors rely on a downhole sur

  • Nigerian Oil and Gas Company Acquires SPT Gyro Instruments

    Drillog Petro-Dynamics Limited (PDL), a 100% Nigerian company, is the leading oil and gas drilling service company in Nigeria, specializing in directional / horizontal drilling, rotary steerable drilling, MWD / LWD, bore hole surveys, well planning and design and formation evaluation while drilli

  • SPT’s MagCruiser HT Goes East to West

    The newly introduced MagCruiser HT™ by SPT is a new and improved high temperature version of the MagCruiser™. Sales of the instrument have now gone global, reaching as far east as Australia and as far west as South America. Since late 2008 the introduction of the MagCruiser

  • Stockholm Precision Tools Releases Latest White Paper

    Stockholm Precision Tools (SPT) has released its latest white paper, which is called New Heights for Downhole Drilling. The company designs and manufactures oil and offshore industry technology products and gyroscopic and magnetic borehole surveying instruments. SPT is an industry leade

  • Stockholm Precision Tools Reaches New Heights in Downhole Drilling

    High above the deep valleys and canyons in Colorado's Piceance Basin, Frank Westcott, president of Colorado-based Native Navigation, faces a challenge. He is listening to his directional driller's plan to navigate a new bore hole through 16 other wells already spudded from the drill pa

  • SPT Welcomes Drillog Petro-Dynamics

    During the month of December 2008, SPT had the pleasure of hosting two representatives from Nigerian company Drillog Petro-Dynamics. The visit by Victor and Emeka assured them of the accuracy and reliability that SPT products are renowned for. SPT can confirm today that Drillog Petro-Dy

  • Leading Downhole Surveying Instruments Company Does it Again

    SPT recently spent some time with a customer in the Tunisian oilfield region. Located in central Tunisia, one week was spent at the rigs doing gyro surveys. The well conditions were very difficult, which made the work challenging. For the second time in two months, SPT returned to Italy

Projects

  • West Katakolon Oil and Gas Field

    West Katakolon oil and gas field straddles onshore acreage on the coast of Peloponnese, and shallow and deep water blocks in the Ionian Sea off the shore of Greece.