Abstract: Apparatuses and methods are for monitoring conditions in a fluid reservoir while sealing a passage between the fluid reservoir and an adjacent environment. A first assembly has a primary barrier in fluid communication with the fluid reservoir and adapted to block the passage between the fluid reservoir and the adjacent environment. A second assembly has a secondary barrier in fluid contact with the adjacent environment and adapted to block the passage between the fluid reservoir and the adjacent environment. A first inductive communication means is placed in the first assembly and a second inductive communication means is placed on an opposite side of the secondary barrier. The respective communication means are arranged to communicate with each other. A monitoring means is in fluid communication with the fluid reservoir and transfers information to the first inductive communication means for transferring data gathered from monitoring conditions in the fluid reservoir.

Abstract: An apparatus is for transferring information acoustically via a tubular. The apparatus has a signal generator, an energy source, and means for intrusion into a tubular wall at a desired location. The signal generator is arranged to generate signals with a P-wave direction substantially approximating the axial direction of said tubular at said desired location. The means for intrusion into a tubular wall are adapted for transferring acoustic signals from the apparatus into the tubular. The apparatus further has a mechanical plug comprising fastening means for anchoring into a tubular wall. The plugs fastening means constitutes the apparatus' means for intrusion into a tubular wall. A method for transferring information acoustically via a tubular is disclosed.

Abstract: Apparatuses and methods are for monitoring conditions in a fluid reservoir while sealing a passage between the fluid reservoir and an adjacent environment. A first assembly has a primary barrier in fluid communication with the fluid reservoir and adapted to block the passage between the fluid reservoir and the adjacent environment. A second assembly has a secondary barrier in fluid contact with the adjacent environment and adapted to block the passage between the fluid reservoir and the adjacent environment. A first inductive communication means is placed in the first assembly and a second inductive communication means is placed on an opposite side of the secondary barrier. The respective communication means are arranged to communicate with each other. A monitoring means is in fluid communication with the fluid reservoir and transfers information to the first inductive communication means for transferring data gathered from monitoring conditions in the fluid reservoir.

Abstract: An apparatus is for transferring information acoustically via a tubular. The apparatus has a signal generator, an energy source, and means for intrusion into a tubular wall at a desired location. The signal generator is arranged to generate signals with a P-wave direction substantially approximating the axial direction of said tubular at said desired location. The means for intrusion into a tubular wall are adapted for transferring acoustic signals from the apparatus into the tubular. The apparatus further has a mechanical plug comprising fastening means for anchoring into a tubular wall. The plugs fastening means constitutes the apparatus' means for intrusion into a tubular wall. A method for transferring information acoustically via a tubular is disclosed.