FIELD: transportation.
SUBSTANCE: disclosed are sealing devices and methods of leak sealing at the remote section in the pipe, wherein the device comprises a porous carrier plug made of a deformable material having pores in which at least one sealing composition is located, and the porous carrier plug is configured to move at least one sealing composition from the first portion to the remote portion and to plug the leak at the remote portion.
EFFECT: group of inventions relates to pipeline transport.
44 cl, 7 dwg
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