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  2. Pigging - Wikipedia

    en.wikipedia.org/wiki/Pigging

    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. 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 ...

  3. Hydraulically activated pipeline pigging - Wikipedia

    en.wikipedia.org/wiki/Hydraulically_Activated...

    Hydraulically activated pipeline pigging (HAPP) is a pigging technology applied for pipeline cleaning. The basic principle is that a pressure drop is created over a by-passable pig held back against a pipeline's fluid flow. The pipeline fluid passing through the pig's cleaning head is accelerated by this pressure drop, forming strong cleaning jets.

  4. Piping Technology and Products - Wikipedia

    en.wikipedia.org/wiki/Piping_Technology_and_Products

    1978: The company was reorganized as Piping Technology & Products, Inc. and developed the constant load spring hanger design. 1986 : Acquired Sweco, Fab. Inc., [ 4 ] an ASME U-Stamp Shop that designs and fabricates pressure vessels, pig launchers and receivers, instrument supports, conical strainers, spectacle and line blinds, orifice plates ...

  5. ROSEN Group - Wikipedia

    en.wikipedia.org/wiki/ROSEN_Group

    ROSEN Group is a family business, headquartered in Stans, which specializes in the research, development, production, and operation of inspection devices for pipelines and other complex technical systems. The company offers its products and services to the global oil and gas industry as well as other business sectors. [5]

  6. Grinnell Mechanical Products - Wikipedia

    en.wikipedia.org/wiki/Grinnell_Mechanical_Products

    Grinnell grooved products have a 10-year limited warranty for most products, except for the G-MINE line of products, which are warranted for six months. The company’s fire protection products comprise rigid and flexible couplings, full and short pattern grooved elbows and tees, and a variety of valves and accessories. [2]

  7. List of oil pipelines - Wikipedia

    en.wikipedia.org/wiki/List_of_oil_pipelines

    The first segment of the pipeline opened in October 2012. [3] Pecos River Pipeline: Developed by Bridger Group and Advantage Pipeline, the Pecos River Pipeline will provide a link from the Delaware Basin to the Gulf Coast. The pipeline will run from the Pecos, Texas, to Crane, Texas, where it will connect to the Longhorn Pipeline. The Pecos ...