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2. Leak detection - Wikipedia

   en.wikipedia.org/wiki/Leak_detection

   A leak changes the hydraulics of the pipeline, and therefore changes the pressure or flow readings after some time. Local monitoring of pressure or flow at only one point can therefore provide simple leak detection. As it is done locally it requires in principle no telemetry. It is only useful in steady-state conditions, however, and its ...

3. Magnetic flux leakage - Wikipedia

   en.wikipedia.org/wiki/Magnetic_flux_leakage

   There are many methods of assessing the integrity of a pipeline. In-line-Inspection (ILI) tools are built to travel inside a pipeline and collect data as they go. Magnetic Flux Leakage inline inspection tool (MFL-ILI) has been in use the longest for pipeline inspection. MFL-ILIs detect and assess areas where the pipe wall may be damaged by ...

4. AP Sensing - Wikipedia

   en.wikipedia.org/wiki/AP_Sensing

   Distributed fiber-optic sensing technology can be used for leak detection through DAS and DTS. [26] AP Sensing has a regional office in Bahrain, and operates throughout the Middle East. [27] Their Distributed Fibre Optic Sensing is designed to monitor pipeline leaks, and is used by the Kuwait Oil Company and the Abu Dhabi National Oil Company.

5. Tracer-gas leak testing - Wikipedia

   en.wikipedia.org/wiki/Tracer-gas_leak_testing

   A tracer-gas leak testing method is a nondestructive testing method that detects gas leaks.A variety of methods with different sensitivities exist. Tracer-gas leak testing is used in the petrochemical industry, the automotive industry, the construction industry [1] and in the manufacture of semiconductors, among other uses.

6. Hydrostatic test - Wikipedia

   en.wikipedia.org/wiki/Hydrostatic_test

   The test involves filling the vessel or pipe system with a liquid, usually water, which may be dyed to aid in visual leak detection, and pressurization of the vessel to the specified test pressure. Pressure tightness can be tested by shutting off the supply valve and observing whether there is a pressure loss.

7. Pigging - Wikipedia

   en.wikipedia.org/wiki/Pigging

   An ultrasonic leak-detection pig. A cleaning pig for a 150-millimetre (6 in) oil pipeline. The wire brush encircles the shaft and scours the interior of the pipeline. A scraper pig shown at the Trans-Alaska Pipeline System Visitors Center