Compositions and Methods for Well Treatment
作者： Matteo Loizzo , Brice Lecampion , Katia Dennis , Ines Khalfallah
DOI:
关键词: Carbon dioxide 、 Composite material 、 Casing 、 Cement 、 Materials science 、 Matrix (geology) 、 Swelling
摘要: A self-healing cement for use in wells which carbon dioxide is injected, stored or extracted, comprises a carbonaceous material. In the event of cement-matrix failure, bonding failure between cement/casing interface cement/borehole-wall interface, material swells when contacted by dioxide. The swelling seals voids matrix, along interfaces, thereby restoring zonal isolation.
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