Environmental ThermoChemical Treatment (ETCT) is a system of pumping two chemical compositions down into the borehole in two concentric tubes, with no depth limit. The chemicals react deep in the formation, generating temperatures of up to 500°C (900°F).
Each 100 tons of inexpensive, widely-available chemicals can heat around 3000 m³ of formation (roughly 20,000 barrels of oil) by 100°C. The oil viscosity is lowered by degrees, making it flow easier through the rock.
In addition, the chemicals and some of the oil convert into gases, creating pockets of pressure strong enough to fissure the rock and push the oil out and up.
All this results in an immediate, 2-12x increase in production.
Furthermore, the intense heat cleans the productive layer of asphaltenes, tars, resins and paraffin many meters in all directions, and usually lowers the water-to-oil ratio (WOR). All this preserves the integrity of the well, extending its productive lifetime. This extends the productive life of the well, and ensures maximum recovery (reducing residual ‘leftover’ oil to as low as <10%).
The reactions occur deep in the well; very few compound by-products escape above ground. These are safe, common, mostly non-toxic gases (N2, CO2, H2). The amount of CO2 is remarkably low (think carbon credits).
In contrast to other leading technologies, which require enormous energy to produce the steam or water pressure, the ETCT process is efficient: energy losses are negligible (<2%), and requires no more than a few cubic litres of water.
The entire process is controlled, regulated, safe, fully automated, and can be performed by any experienced oilfield worker. We provide all know-how, instructions and support associated with our ETCT technology.
A team of 3 workers with one mobile pumping unit can treat and maintain up to 100 wells per year with ETCT.