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2. Leak detection - Wikipedia

   en.wikipedia.org/wiki/Leak_detection

   A leak appearing within an analytic region (a rule added to the camera) is immediately analyzed for its attributes, including thermal temperature, size, and behaviour (e.g. spraying, pooling, spilling). When a leak is determined to be valid based on set parameters, an alarm notification with leak video is generated and sent to a monitoring station.

3. Sight glass - Wikipedia

   en.wikipedia.org/wiki/Sight_glass

   Water gauge on a steam locomotive. Here the water is at the “top nut”, the maximum working level. Note the patterned backplate to help reading and toughened glass shroud. A sight glass or water gauge is a type of level sensor, a transparent tube through which the operator of a tank or boiler can observe the level of liquid contained within.

4. Fixed roof tank - Wikipedia

   en.wikipedia.org/wiki/Fixed_roof_tank

   Fixed roof tanks without breather valves will generally be freely vented; [2] thus the emissions from a fixed roof tank can be non-trivial. Gauge hatches, sample wells, float gauges, and roof manholes provide accessibility to these tanks, and also act as potential sources of volatile emissions.

5. Permanent downhole gauge - Wikipedia

   en.wikipedia.org/wiki/Permanent_Downhole_Gauge

   A permanent downhole gauge (PDG) is a pressure and/or temperature gauge permanently installed in an oil or gas well. [1] These gauges are typically installed in the tubing in the well and can measure the tubing pressure, annulus pressure, or both.

6. External floating roof tank - Wikipedia

   en.wikipedia.org/wiki/External_floating_roof_tank

   An external floating roof tank is a storage tank commonly used to store large quantities of petroleum products such as crude oil or condensate. It consists of an open- topped cylindrical steel shell equipped with a roof that floats on the surface of the stored liquid. The roof rises and falls with the liquid level in the tank. [1]

7. Leak-down tester - Wikipedia

   en.wikipedia.org/wiki/Leak-down_tester

   This schematic shows the component parts of a typical leak-down tester. The gauge on the right is held at a standard pressure by adjusting the pressure regulator while the gauge on the left shows an example reading of 85, or 15% leakage. A leak-down tester [2] is essentially a miniature flow meter similar in concept to an air flow bench. The ...

8. Well test (oil and gas) - Wikipedia

   en.wikipedia.org/wiki/Well_test_(oil_and_gas)

   Regularly, for example once a month per well, the flow from one and only one selected well is led into the test separator for determining well flow rate for the selected well. [3] The separator divides the flow from the well into the streams of individual products which typically are oil, gas and water, but may include natural-gas condensate ...

9. Loading gauge - Wikipedia

   en.wikipedia.org/wiki/Loading_gauge

   The prevalence of excess-height rolling stock, at first ~18 ft (5.49 m) piggybacks and hicube boxcars, then later autoracks, airplane-parts cars, and flatcars for hauling Boeing 737 fuselages, as well as 20 ft 3 in (6.17 m) high double-stacked containers in container well cars, has been increasing. This means that most, if not all, lines are ...