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

  1. Special Report: New launching technology increases pigging efficiency

    Magazine Articles

    Mon, 23 Nov 2009

    A new technology allows multiple pig launching with existing pipeline equipment ..... proposals. AMPL The Automatic Multiple Pig Launching System is a new multipigging tool ..... external power supply. Existing automatic pig launchers generally operate a complex arrangement

  2. Freezing in the dark

    Magazine Articles

    Mon, 13 Feb 2012

    releases. Some are vital, many are at least helpful, but a few are what my British friends might colorfully describe as " pig -ignorant." In early January, consumer advocate Public Citizen issued a claim that there is no need for additional drilling

  3. Method to determine ILI intervals proven on Italian system

    Magazine Articles

    Mon, 15 Jul 2002

    intervals for conducting future intelligent pig inspections has been developed and validated ..... conducted utilizing periodic intelligent pig inspection (to monitor corrosion development ..... intervals for conducting future intelligent pig inspections of individual pipelines. The

  4. BP gets DOT clearance to restart Prudhoe Bay field

    Online Articles

    Fri, 22 Sep 2006

    cleaning pigs and conduct an in-line, smart pig inspection of the oil transit line. DOT's approval will allow BP to run the smart pig through a 5-mile, 34-in. segment that ..... existing profit centers. Results of the smart pig inspection will aid BP and the US Department

  5. Roles of flow, metal studied in UK corrosion failures

    Magazine Articles

    Mon, 16 Aug 1999

    repairs as well as re-analyzing intelligent pig data gathered several months earlier. These ..... magnetic flux leakage (MFL) intelligent- pig inspection of the pipeline in late 1996 ..... be entirely in the weld. The intelligent pig inspection had given no indication of the

  6. Equipment/Software/Literature

    Magazine Articles

    Mon, 10 Jul 2006

    New acoustic pig tracker system is portable unit The SPY PHONE pipeline acoustic pig tracker monitors pipeline travelers from the convenience of your vehicle. Click here to enlarge image The unit is not a geophone. The company says that its accurate

  7. In-line inspection detects early cracking on Canadian crude-oil line

    Magazine Articles

    Mon, 28 Sep 1998

    inspection (ILI) tool has arrived at a pig -receipt station after a run to detect ..... badly degraded by mechanical damage to the pig , and reinspected this section. Two runs ..... existed between runs of the crack-detection pig , the best-quality data for the region


    Magazine Articles

    Mon, 23 Aug 1993

    plans to excavate 111 sites on its products pipeline route between Chantilly, Va., and Dorsey Junction, Md., where a pig survey showed pipe walls are too thin. The line ruptured in March near Reston, Va., spilling diesel fuel into a stream and

  9. Study improves subsea pipeline preheating

    Magazine Articles

    Mon, 1 Dec 2014

    sources at Platforms A and B, respectively. Pig 1, launched at the beginning of P-2 when S ..... medium from the cool water already in the pipe. Pig 1 is trapped at the last section of P-2. Pig 2 performs the same function in P-5. V-1

  10. SUBSEA PRECOMMISSIONING—2 (Conclusion): Growth in pipeline scale prompts early precommissioning planning

    Magazine Articles

    Mon, 3 Jun 2013

    surveys and conceptual studies with three different pig vendors, one of which tested a prototype pig . Tests included pressures required for initiation ..... earlier projects provided the basis for the final pig selection. Several concepts were evaluated but

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