Abstract: There is provided an apparatus for tracking a pig travelling inside a tubular object. The apparatus includes a sensor arrangement including at least one position sensor configured to detect a passage of the pig travelling inside the tubular object and a tracking device. The tracking device is configured to: process the detected passage of the pig from a run of the pig through the tubular object to determine a travel time of the pig; using the determined travel time, calculate a speed of the pig through the tubular object; and using the calculated pig's speed, perform real-time tracking of the pig's position inside the tubular object in a subsequent run of the pig through the tubular object.

Abstract: There is provided an apparatus for tracking a pig travelling inside a tubular object. The apparatus includes a sensor arrangement including at least one position sensor configured to detect a passage of the pig travelling inside the tubular object and a tracking device. The tracking device is configured to: process the detected passage of the pig from a run of the pig through the tubular object to determine a travel time of the pig; using the determined travel time, calculate a speed of the pig through the tubular object; and using the calculated pig's speed, perform real-time tracking of the pig's position inside the tubular object in a subsequent run of the pig through the tubular object.

Abstract: A scraper pig for cleaning tubes and pipelines comprising a flexible core provided with a casing in which scraper studs are embedded in a manner whereby they protrude sufficiently to perform a cleaning action when they are propelled through the tube. A method for the manufacture of the pig and the design of the stud is also provided.

Abstract: An intelligent pig for pipeline monitoring comprises a single body containing signal transmitters and receivers provided with replaceable rings for centering the body within the pipeline, the rings may be provided with brushes which help center the pig within the pipeline and also aid its passage through pipelines which may contain bends and/or be of variable diameter, the pig may be used in combination with a cleaning pig to provide combined activities using a common driving force.

Abstract: An intelligent pig for pipeline monitoring comprises a singles body containing signal transmitters and receivers provided with replaceable rings for centering the body within the pipeline, the rings may be provided with brushes which help centre the pig within the pipeline and also aid its passage through pipelines which may contain bends and/or be of variable diameter, the pig may be used in combination with a cleaning pig to provide combined activities using a common driving force.

Abstract: A method of monitoring a tube or pipeline, wherein an IP comprising an electronics module arrangement, is driven along the interior of the tube or pipeline by fluid pressure, wherein the IP transmits monitoring signals through the fluid that provides the pressure to the wall of the tube or pipeline, receives signals returned from the wall, analyzes the returned signals and stores data relating to the condition of the wall of the pipeline.

Abstract: A scraper pig for cleaning tubes and pipelines comprising a flexible core provided with a casing in which scraper studs are embedded in a manner whereby they protrude sufficiently to perform a cleaning action when they are propelled through the tube. A method for the manufacture of the pig and the design of the stud is also provided.

Abstract: A method of monitoring a tube or pipeline, wherein an IP comprising an electronics module arrangement, is driven along the interior of the tube or pipeline by fluid pressure, wherein the IP transmits monitoring signals through the fluid that provides the pressure to the wall of the tube or pipeline, receives signals returned from the wall, analyses the returned signals and stores data relating to the condition of the wall of the pipeline.

Abstract: A pipeline pig for inspecting the internal condition of a pipeline, especially for determining the wall thickness therealong, comprises three discrete modules containing electronics distributed therebetween. The modules are individually protected by polyurethane outer coverings and are interconnected by electrical cables. A flexible arrangement results for use in narrow and tortuous pipelines. The pig carries its own power supply so that results from its ultrasonic scanning system can be processed and stored on board for subsequent downloading.