A liner tube is provided for repairing either a single pipe line or a main pipe line having a lateral pipe line connected thereto. The liner tube assembly includes a liner tube impregnated with a liquid material capable of curing and hardening. The liner tube includes a gasket or band of hydrophilic paste positioned about the juncture of the pipe lines. The gasket or bands form a tight seal between the liner tube and the pipe line.

A system for operation and integrity management of a pipeline stores field data obtained from an operational system, and in-line data obtained from an in-line inspection vehicle and external data from a video camera on an external companion device. The system performs data processing on the in-line data and field data to generate input for risk modeling and performs risk modeling of the pipeline using the input to predict a risk of one of a plurality of failure mode states at a portion of the pipeline. The system may initiate risk monitoring for the portion of the pipeline by the operational system and the in-line inspection vehicle.

A system for operation and integrity management of a pipeline stores field data obtained from an operational system, and in-line data obtained from an in-line inspection vehicle and external data from a video camera on an external companion device. The system performs data processing on the in-line data and field data to generate input for risk modeling and performs risk modeling of the pipeline using the input to predict a risk of one of a plurality of failure mode states at a portion of the pipeline. The system may initiate risk monitoring for the portion of the pipeline by the operational system and the in-line inspection vehicle.

An in-line inspection tool for a pipeline includes a body that is propelled through the pipeline and a plurality of sensor assemblies mounted to the body. The sensor assemblies are distributed circumferentially about a central axis of the body with each sensor assembly configured to move through a range of radial positions in a respective radial direction. A first sensor assembly of the plurality of sensor assemblies includes a first elongate arm, a first sensor carried by the first arm, and a first spacer that extends from the first arm. A second sensor assembly of the plurality of sensor assemblies includes a second elongate arm and a second sensor carried by the second arm. The first spacer contacts the second arm and maintains an expected circumferential spacing between the first arm and the second arm over the range of radial positions as the body is propelled through the pipeline.

The group of inventions can be used for removal of deposits in sewers and the simultaneous removal thereof in various pipelines, providing mechanization of the cleaning process in a sewage pipeline and eliminating the need for disassembling the drain system and manually cleaning it. A movable element and a cleaning tool mounted thereon, both arranged within the sewage pipeline, are moved along the sewage pipeline by means of a drive mounted outside the sewage pipeline and connected to the movable element. In the initial position, the cleaning tool is located at the end of the sewage pipeline, outside the sewage pipeline portion connecting the drain pipe with a riser. When the cleaning tool reaches the end position at the junction of the sewage pipeline and the riser, the drive and the movable element move the cleaning tool to its initial position.

Systems and methods for generating and processing images captured while inspecting above-ground pipelines are disclosed. Embodiments may include a robotic crawler or other devices which carry imaging equipment and traverse a target pipe which are configured to capture image data simultaneously from a plurality of angles. Such systems may substantially reduce and in some cases overcome the need to take multiple traversals of a pipeline under inspection. Embodiments may also be directed toward control systems for such devices as well as image processing systems which process the multiple image sets to produce a composite imaging result.

Systems and methods for generating and processing images captured while inspecting above-ground pipelines are disclosed. Embodiments may include a robotic crawler or other devices which carry imaging equipment and traverse a target pipe which are configured to capture image data simultaneously from a plurality of angles. Such systems may substantially reduce and in some cases overcome the need to take multiple traversals of a pipeline under inspection. Embodiments may also be directed toward control systems for such devices as well as image processing systems which process the multiple image sets to produce a composite imaging result.

The present invention relates generally to the inspection of pipes, and the like, and more particularly to the remote inspection of ferromagnetic pipes. The invention teaches apparatus comprising, in combination: a vehicle equipped with a plurality of wheels capable of propelling the vehicle within a predetermined ferromagnetic environment to be inspected; means for remotely applying drive forces to said wheels; said wheels including a plurality of passive non-driven rollers; said passive rollers including magnetized means; means for acquiring visual images of the condition of said pipes; and means for remotely accessing said visual images; thereby enabling remote inspection of said pipes. An immediate environment in which the use of the present invention is contemplated is in inspection of ferromagnetic pipes which are located above and/or below ground.

The present invention relates generally to the inspection of pipes, and the like, and more particularly to the remote inspection of ferromagnetic pipes. The invention teaches apparatus comprising, in combination: a vehicle equipped with a plurality of wheels capable of propelling the vehicle within a predetermined ferromagnetic environment to be inspected; means for remotely applying drive forces to said wheels; said wheels including a plurality of passive non-driven rollers; said passive rollers including magnetized means; means for acquiring visual images of the condition of said pipes; and means for remotely accessing said visual images; thereby enabling remote inspection of said pipes. An immediate environment in which the use of the present invention is contemplated is in inspection of ferromagnetic pipes which are located above and/or below ground.

An inspection device for examining pipelines is provided, and comprisesa sensor carrier which in operation is rollable through the pipeline. The sensor carrier has an at least essentially circular circumference in a cross section that runs transverse to an axis of rotation. The sensor carrier also has at least one sensor unit. The sensor carrier further comprises at least one stabilizing means, preferably a multitude disposed along the circumference.