RePlug®

RePlug® is a flexible, self-healing and low-carbon footprint cement.

RePlug® is a high-quality well cement-additive essential to ensure safe and economically- and environmentally sustainable management and operations of wells for the petroleum industry. Well Barrier Acceptance Criteria (WBAC), as applied by regulators world-wide, are met by RePlug®.

RePlug® is a self-healing and patent pending cement mixture that improves petroleum well completion performance compared to ordinary well cement products. RePlug® is designed to be used without changing the existing cement infrastructure, methods and procedures as exists for well cements today, and hence, without the need for investing in new and expensive equipment reducing risks for the operators.

RePlug® works by reacting minerals with fresh-, salty water, and/or CO2 to metamorphose minerals into pores and cracks that would otherwise be pathways for leaks from petroleum reservoirs. RePlug® is even more effective when exposed to harsh chemicals like brines and CO2, vibrations and earthquakes, and fouling by microorganisms. Permanent well barriers should “provide long term integrity with an eternal perspective”. By applying RePlug®, self-healing occurs as the material sets, and will continue until the reactive material is completely depleted, which may take as long as 10,000 years.

RePlug® paves the way for Carbon-dioxide Storage in petroleum reservoirs (CCS). Furthermore, RePlug® reduces the CO2 footprint for petroleum well cement products by at least 20-50% and will, if implemented in all clinker cements, reduce global anthropogenic CO2-emissions by 1% or 1⁄2 Gigatonnes. RePlug® is a “green” product on the Norwegian HOCNF list and is very safe in use, both for personnel and the environment.

RePlug® can also be used for applications in the concrete industry.

ReStone collaborates with SINTEF, Heriot Watt University and University of Maryland to develop and test our products. We are also collaborating with a major international petroleum service company. ReStone thanks the Norwegian Research Council and Innovation Norway for their continued support.

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