THOR | THermal Oil Recovery

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Downhole heating for viscous fluid wells to improve production and flow assurance

Page last modified

April 11 2024

Cavitas has over 60 years combined experience in the energy industry with a strong track record of bringing innovative downhole technologies to market

Cavitas' Thermal Oil Recovery technology (THOR) is a reliable, cost-effective and low carbon, mechanically powered heater providing 100% targeted heat downhole:

THOR is suitable for deployment in injection and production wells, using thermodynamics to enhance production while limiting the build-up of waxes and scales. THOR heats fluids downhole as opposed to traditional topside methods where large energy losses occur. This greatly improves the energy balance.

Cavitas is a Net Zero company, minimising carbon in Thermal Enhanced Oil Recovery while creating value in viscous and marginal fields

Pros & Limitations

Achieve Thermal EOR in previously discounted wells

Increase production rates

Mitigate waxes and asphaltenes

Increase recoverable reserves

Unlocks remote heavy oil

Reduce frictional losses

Improve artificial lift efficiency

Reduce carbon footprint via green energy options.

Suitable for casings of 5.25” or larger

Currently not field proven

Specification

Specification Title	Specification Description
Areas of Application	Applications in both injection and production wells
Asset life extension	THOR has been modelled to show that if utilized on greenfield heavy oil developments it can increase the productive life of the field by 9 or more years.
Enviroment	THOR is less sensitive to water quality than some other forms of thermal EOR technology leading to the use of less chemicals and therefore environmental improvement.
IP Protection	Cavitas has UK and International PCT patents for THOR pending.
Modelling	The first step in any THOR project would be to work collaboratively to produce a reservoir EOR model.
Thermal conductivity	THOR has a much higher energy density than comparable solutions. Generally in the 30-50kW per meter range.
Return on investment	Our planned pilots show an ROI in the region of 30 - 50 days.