Sealing device and method for sealing fractures or leaks in wall or formation surrounding tube-shaped channel

Jens Henrik Hansen (Inventor), Anne Ladegaard Skov (Inventor)

Research output: Patent


The sealing device (1) includes an elongated body (5) adapted to be introduced into a tube-shaped channel (2) and including a sealing fluid placement section (6) arranged between a first and a second annular flow barrier (7, 8). The elongated body further includes a sealing fluid activation section (11) arranged between the second annular flow barrier (8) and a third annular flow barrier (12) and including a sealing fluid activation device (13) adapted to at least initiate or accelerate curing of the sealing fluid (17). In operation, the elongated body may be displaced along the tube-shaped channel until the sealing fluid activation section is placed at a position where sealing fluid has been ejected by the sealing fluid placement section, and the sealing fluid activation device may be activated. Thereby, sealing fluid may be cured at selected locations along the tube-shaped channel after ejection of sealing fluid.
Original languageEnglish
Patent numberWO2014083057
Filing date05/06/2014
CountryInternational Bureau of the World Intellectual Property Organization (WIPO)
Priority date30/11/2012
Priority numberWO2014083057
Publication statusPublished - 2014

Bibliographical note

Also published as EP2738349 and DK201470443.

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