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Pigging news and technical articles from Oil & Gas Journal. Search Pigging latest and archived news and articles

  1. North Sea Pipelines- Conclusion: Dual-diameter pigging reaches new extremes; Langeled looms

    Magazine Articles

    Mon, 28 Nov 2005

    extensive experience in both dual-diameter pigging of subsea pipelines and the environmental ..... Statoil’s experience in dual-diameter pigging from previous pipeline projects includes diameters ..... both diameters. In fact, intermediate pigging traps typically have been used when large

  2. Contract let for Caspian pipeline pigging services

    Online Articles

    Mon, 7 Nov 2005

    contract to PSL Energy Services (Baku) Ltd., Aberdeen, for pigging services to pipelines connecting with the Sangachal oil terminal ..... started during the first quarter. Since that time, the level of pigging activity at Sangachal has more than doubled. The BTC oil pipeline

  1. North Sea Pipelines-1: Extensive subsea commissioning, pigging pose challenges

    Magazine Articles

    Mon, 21 Nov 2005

    offshore gas trunklines. Commissioning and pigging these pipelines presented several challenges ..... examine: • Pig design for dual-diameter pigging . • Environmental aspects of commissioning ..... reviewed in order to establish the preferred pigging direction. For the initial flooding operation

  2. Special Report: New launching technology increases pigging efficiency

    Magazine Articles

    Mon, 23 Nov 2009

    hostile environments have heightened demand for pigging technology. Pipeline pigging is essential for removing debris and collecting ..... ensuring flow is maintained and corrosion minimized. Pigging , however, is time consuming and can disrupt

  3. Field work cuts threat to suspended pipeline

    Magazine Articles

    Mon, 21 Apr 2008

    suspended gas pipeline span as a result of pigging . The potential displacement and vibration caused by pigging pose particular problems in suspended spans ..... The liquids encountered during pipeline pigging create particularly heavy loads at the bends

  4. Equipment/Software/Literature

    Magazine Articles

    Mon, 3 Jan 2005

    line pipeline inspection tool helps cut pigging costs A new in-line pipeline inspection tool can help reduce pigging costs by as much as 50% while improving ..... extended run times, resulting in reduced pigging costs. Source: Baker Hughes Pipeline

  5. PERMAFROST PIPELINING - Conclusion: Instrumentation yields geotechnical picture of slope movements along northern Canadian pipeline

    Magazine Articles

    Mon, 21 May 2001

    Inertial pigging of a short section on the 323-mm (12 ..... 1 2 Data assessment of yearly inertial pigging surveys indicated that higher than desirable ..... thaw. Instrumentation When the inertial pigging tool detected the wrinkle on the pipe


    Magazine Articles

    Mon, 1 Aug 1994

    Removing accumulated line liquids with pigging rather than conventional sphere-launching ..... entire 65 miles of the system with line pigging twice per week. The increased efficiency ..... efficiencies to more than 90% with line pigging twice per week. This improvement allowed

  7. BP seeks DOT nod to resume Prudhoe Bay production

    Online Articles

    Fri, 15 Sep 2006

    Transportation requesting authorization to resume production in the Eastern Operating Area (EOA) of Prudhoe Bay for the purposes of pigging . "Although this is an encouraging development, it is the first step of many," BP said. 'Work continues on a number of

  8. INTEGRITY MANAGEMENT—1: Argentine NGL case study applies economic procedure

    Magazine Articles

    Mon, 9 Jun 2008

    abnormalities detected during periodic magnetic-flux leakage pigging are large enough to shut the pipeline for repair or if operations can continue ..... and Alberto Sanches. References Tiratsoo, J., Pipeline Pigging Technology, 2nd Ed., Houston: Gulf Professional Publishing

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