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In pipeline transportation, pigging is the practice of using pipeline inspection gauges or gadgets, devices generally referred to as pigs or scrapers, to perform various maintenance operations. This is done without stopping the flow of the product in the pipeline.
Utility Pigs, are used to perform functions such as cleaning, separating, or dewatering. In Line Inspection (ILI) Tools, provide information on the condition of the line, as well as the extent and location of any problems. Gel Pigs, are used in conjunction with conventional pigs to optimize pipeline dewatering, cleaning, and drying tasks.
PIG is a bacronym for "Pipeline Inspection Gauge". The acronym PIG came later as the nickname for "pig" originated from cleaning pigs (first designed pigs) that sounded like squealing or screeching pigs when they passed through the lines to clean them using methods such as scraping, scrubbing and "squeegeeing" the internal surface.
Robotic non-destructive testing (NDT) is a method of inspection used to assess the structural integrity of petroleum, natural gas, and water installations. Crawler-based robotic tools are commonly used for in-line inspection (ILI) applications in pipelines that cannot be inspected using traditional intelligent pigging tools (or unpiggable pipelines).
The required inspection devices – among other things, pigs for the internal and unmanned inspection of pipelines – are developed and manufactured inhouse. [18] The big data volumes generated during an inspection are processed, analyzed, and provided to the customers for their decision-making process. The services offered exceed mere ...
Pig launcher. Pipeline pig launchers and receivers are provided with a pig signaller (XA) to indicate that a pig has been launched or has arrived. [4] Packaged items of equipment (compressors, diesel engines, electricity generators, etc) are fitted with local vendor supplied instrumentation. When equipment malfunctions a multivariable signal ...
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Smart pig: An inline inspection tool inserted into a pipeline for defect inspection. Spud date: When drilling a new well, the spud date is the day on which the main drill bit begins drilling. For onshore drilling, spudding-in occurs after a wellsite has been prepared and a larger surface hole drilled and cased in preparation for the main drill ...