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PETROMAKS2-Stort program petroleum

Multiphase flow and early fault detection

Alternativ tittel: Flerfase strømningsmåling med tidligvarsling av feilutvikling

Tildelt: kr 7,2 mill.




2014 - 2017

Midlene er mottatt fra:



Xsens AS has developed a non-invasive flow meter challenging the performance of a wide range of invasive technologies, with respect to performance, as well as robustness. Xsens aim has been to measure complex flow from outside of the pipe, equally good or better than invasive technologies available in the market. The priority challenges defined at the start of the IPN project was flow measurement accuracy at single phase flow and dual phase liquid flow, fraction measurement in dual phase flow and the ability to measure single or dual liquids containing gas, eg. The Xsens flow meter technology differs from available invasive flow meters by disruptive flow measurement capabilities with respect to both measurement accuracy and fluid quality measurement. Xsens have during the IPN project prototype testing at real conditions in the CMR multiphase flow loop, demonstrated transmission of acoustic beams travelling in a controllable distance outside the center of the pipe. This disruptive innovation allows for flow profile correction hence accuracy levels, until now obtained by multi-sensor invasive technology only. Furthermore, advanced algorithms combining the characteristics of acoustic transmission in both pipe and fluid has been demonstrated, providing accurate information with respect to acoustic time of flight and fluid quality for each sound path transmitted. During the 2014-2017 IPN a stage-wise prototype development and thorough flow testing between each stage have resulted in a robust flow meter design aiming at industrialization for use in hazardous areas and subsea applications. Flow test have been carried out on gas, oil, water in single phases, combination of liquids and liquids containing gas and the technology shows potential for a wide range of fluid combinations and industrial applications. The industrialization process has started in parallel with the conclusion of the IPN project, on the basis of financial investors Investinor and Proventure share capital extension and recent awarded Forny2020 and Demo2000 project funding.

Subsea processing systems planned by oil company majors for installation world-wide requires advanced sensors for control and early fault detection (OG21 TTA4) [1]. XSENS AS aim to develop intelligent non-invasive measurement systems offering high measure ment accuracy and measurements for control optimization and early fault detection. The planned innovation will be based on recently patented technology, early version prototype experience and novel solutions from recent project results. The innovation sha ll result in the development of ultrasonic multi-phase flow measurement, capable of accurate process and allocation metering. Fiscal metering accuracy will be targeted for selected flow conditions. Additionally, the measurement system development will tar get advanced monitoring for process optimization, flow assurance and technical integrity. The information to be used for meter long term stability monitoring and correction, as well as condition monitoring of the wider subsea processing system, of which t he flow meter is part of. The result of this is a significant contribution to subsea plant efficiency. A successful development of the measurement system described have a potential of installation in a large number of challenging upstream O&G applicati ons down-hole, subsea, topside and in onshore oil fields world-wide.

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PETROMAKS2-Stort program petroleum