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  2. Pipefitter - Wikipedia

    en.wikipedia.org/wiki/Pipefitter

    Pipe fitters plan and test piping and tubing layouts; cut, bend or fabricate pipe or tubing segments; and join those segments by threading them, using lead joints, welding, brazing, cementing, or soldering them together. They install manual, pneumatic, hydraulic and electric valves in pipes to control the flow through the pipes or tubes.

  3. Pigging - Wikipedia

    en.wikipedia.org/wiki/Pigging

    A cleaning pig for a 710-millimetre (28 in) oil pipeline. The blue plastic disks seal against the inside of the pipe to propel the device and to remove loose sedimentation or scale buildup. The black rectangles at the top and the circular disks in the center are magnets to attract and remove any loose metal objects in the pipe.

  4. Hot tapping - Wikipedia

    en.wikipedia.org/wiki/Hot_tapping

    Fluid is drained and hot tapping machine is removed. The tapped valve is now ready for the contractor's tie-in or IFT's linestop/stopple equipment to be inserted. [3] Hot tapping is also the first procedure in line stopping, where a hole saw is used to make an opening in the pipe, so a line plugging head can be inserted.

  5. Leak detection - Wikipedia

    en.wikipedia.org/wiki/Leak_detection

    Thermal camera system with video analysis software detecting an oil leak from a valve at 50 feet and 150 feet in heavy rain Externally based systems use local, dedicated sensors. [ 3 ] Such LDS are highly sensitive and accurate, but system cost and complexity of installation are usually very high; [ 17 ] applications are therefore limited to ...

  6. Christmas tree (oil well) - Wikipedia

    en.wikipedia.org/wiki/Christmas_tree_(oil_well)

    It consisted of a T-valve, with a 6-inch (150 mm) and 8-inch (200 mm) valve on the vertical pipe, and a 6-inch valve on the horizontal pipe. The vertical valve was closed first, and then the valve to the horizontal pipe. [1] [2] Christmas trees are used on both surface and subsea wells.

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  8. Surge control - Wikipedia

    en.wikipedia.org/wiki/Surge_control

    Surge control products have been used in many industries to protect the maximum working pressure of hydraulic system for decades. Typical applications for surge relief equipment is in pipelines at pump stations, receiving manifolds at storage facilities, back pressure control, marine loading/off loading, site specific applications where pressure surges are generated by the automation system ...

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