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Copper Tip Energy

New Stimulation Technique To Revive Production: Meet RocketFrac Cleantech

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Innovation drives our world, and helps early adopters find hidden profits. RocketFrac Cleantech is pioneering innovations in waterless well stimulation that create novel fracture characteristics compared to hydraulic fracturing. For energy companies looking for new ways to increase production without expensive drilling programs, the Calgary, Canada startup’s new technology may be the perfect fit.

Two Innovations

Today’s propellant fracturing is highly sophisticated, but RocketFrac Cleantech has taken the technique even further, combining two innovations to enhance the propellant fracturing process. First, a proprietary blend of rocket fuel that creates a unique, sustained burn, and second a downhole tool with patent-pending isolation mechanisms that trap more of the energy in the wellbore than other methods, and direct it into the formation.

Dubbed EcoStim™, the new process produces a pressure build-up that is sustained for over 120 seconds, peaking at over 40,000psi of pressure. Both the duration and peak pressure of the fracturing process are setting a new standard for propellant fracturing.

rocketfrac sept 5 2022

Proprietary Fuel

To meet RocketFrac Cleantech’s precise needs and exacting specifications, world-class rocket fuel manufacturer Magellan Aerospace was selected to collaborate on the development of the propellant chemistry. Where a typical propellant fracture involves the irregular explosion of thousands of tiny pellets of fuel, RocketFrac instead uses a solid charge with a single slow-burning surface and high-energy formulation. When ignited, the rocket fuel steadily combusts into high pressure gases that are contained in the zone of interest in the wellbore by the innovative metal-to-metal isolation mechanisms.

The accumulating gasses create  immense pressure in the wellbore, and are forced through the casing perforations into the formation, cleaning out the perforation channels extending through any formation skin damage, and greatly improving fluid flow and effective permeability.

new stimulation techniques to revive production meet rocketfrac cleantech

Fracturing Process

In addition to the gasses being forced into the reservoir to create the initial fractures, the combustion of the rocket fuel generates a stress wave. This multi-frequency stress wave propagates into the formation extending the fractures further than other propellant methods. Hydraulic fracturing generates a single linear fracture that tends to propagate vertically, and can extend above and below the formation. By contrast, EcoStim™ generates four to six radial fractures that propagate horizontally and stay within the producing zone.

Self Propping

Another benefit of the stress wave generated by the combustion of the rocket fuel, is that it creates a scouring retrograde motion that produces particles directly in the new fractures, and dislocates the faces created along the new fractures so they cannot close in on themselves, making the process self-propping.

Environmental Benefits

As the RocketFrac process does not use water for the fracturing process, and does not require sand, it also has environmental benefits. Removing the energy intensive transportation of millions of litres of water and tonnes of sand dramatically lowers carbon emissions, and requires a smaller operational footprint meaning less surface disruption. All of this while preserving fresh water and reducing the likelihood of any seismic activity from the process.

All of these benefits assist companies and the industry as a whole in managing the increasing demands for ESG compliance coming from consumers and government. At a time when the world needs more hydrocarbon production to address the destructive effects of worldwide energy shortages, cleantech innovations in the oil and gas sector are a boon to everyone.

For more information on RocketFrac Cleantech’s services, please reach out directly to [email protected], 1.403.461.6079

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