Lex – Solution for ESP power saving up to 50% in harsh well conditions

Solution for ESP power saving up to 50% in harsh well conditions

Complicating factors can significantly drive down the efficiency of submersible equipment. With up to 60% of wells worldwide needing to optimize power consumption, we’ve designed the Lex Ultra-High-Speed ESP (UHS ESP™), to offer stable operation in even the harshest environments.

Solution for ESP power saving up to 50% in harsh well conditions

The artificial lift is the most energy-intensive process in oil production. Fluid production and the maintenance of reservoir pressure overall consumes more than 70% of oil output power.

Quite often, there are complicating factors in the well (solids, salts, flooding, gas issues, variable inflows, etc.) that affect overall production efficiency. Given the standard equipment design, the traditional rated speed, and outdated configurations, the overall efficiency of the entire system rarely exceeds 25-50%.

The main contributors to low efficiency are:

  • the pump which efficiency falls dramatically beyond the operation range and in harsh environments
  • the motor, which is mostly the Asynchronous Motor with its low nameplate and operation efficiency.
  • This low efficiency raises power operation costs and results in a loss in the reliability of equipment.

    The standard solution to this would be to replace equipment with a suitable standard size and replace the asynchronous motor with a more efficient Universal PMM. However, the limited range of control prevents them from responding effectively to variable conditions and maintaining that higher efficiency consistently over time.

    We have created a new power-saving solution, replacing the standard ESP with the unique Ultra-High-Speed ESP – Lex UHS ESPТМ, capable of reaching the operating speed of 12,000 rpm. 

    Our engineers thoroughly collect and analyze the candidate wells data and produce accurate calculations to tailor up our selection of equipment package for maximum ROI.

    Based on aerospace technologies, our Ultra-High-Speed submersible permanent magnet motors have the efficiency up to 92%, which produces:

    Such an approach results in power saving to 25-50% and avoiding maintenance and replacement cost thanks to optimization of equipment standard size.

    All solutions

    Related products

    Ultra-High-Speed ESP (UHS ESP™)

    Ultra-High-Speed ESP (UHS ESP™)

    We’ve developed our innovative PMM-driven Ultra-High-Speed ESP (UHS ESP™) with an operating speed between 1,000 and 12,000 rpm. UHS ESP™ provides effective operation in harsh well conditions, with limited power supply, and below perforation range.

    Universal Permanent Magnet Motors

    Universal Permanent Magnet Motors

    We develop and continually improve Lex Universal Permanent Magnet Motor (UPMM) technology - an alternative way to provide rotational energy for electrical submersible pumps. Lex features a product range of Lex UPMM from 85 to 12,000 rpm operating speeds, high efficiency up to 95%, operational flexibility, lower motor heating rise, stable operation at any frequencies, and high-temperature environments up to 392 °F (200 °C).

    Related case studies

    +20% production gain, -40% energy saving at a group of oil fields
    -30% power saving, the operation in the well with harsh conditions is stabled at fields in Romania, Eastern Europe