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

  1. WATCHING THE WORLD PIG OF A DAY FOR BRITISH GAS

    Magazine Articles

    Mon, 12 Jun 1995

    according to the Chinese calendar, is the Year of the Pig. This was a good omen for the sender, a company involved in pipeline pigging . Pigs have featured heavily this year for British Gas plc. A live pig and press accusations of piggish behavior enlivened

  2. INTEGRITY MANAGEMENT—Conclusion: Procedure, FEA apply to NGL fitness-for-service assessment

    Magazine Articles

    Mon, 16 Jun 2008

    operators determine based on the type, shape, and position of any abnormalities detected during periodic magnetic-flux leakage pigging whether to shut the pipeline for repair or continue operations. The first part of two articles (OGJ, June 9, 2008, p

  3. BI-DIRECTIONAL TOOL INSPECTS 'DEADEND' CRUDE-LOADING LINE

    Magazine Articles

    Mon, 8 Nov 1993

    In-line inspection of a subsea crude-oil pipeline not designed for pigging took place last summer in Singapore. In July, a 48-in., 5.2-km pipeline used to unload crude oil from tankers at Shell

  4. Troll, Haltenpipe showcase offshore pipelay advances

    Magazine Articles

    Mon, 29 Jul 1996

    current offshore pipeline installation technology for pipe size (up to 40 in.), water depth (to 540 m), distance between pigging stations (up to 800 km), and complex seabed intervention and landfall construction. Furthermore, the number of deepwater

  5. Simulation reveals conditions for onshore arctic gas-condensate pipeline

    Magazine Articles

    Mon, 17 Nov 2003

    transient conditions as rate changes, pigging , and shut-in and restart and used the ..... addition, for both rate-change and pigging simulations, either large slug-catcher ..... conditions for the slug catchers than pigging , if separator drain rates were limited

  6. PIPELINE INSPECTION-1: Uncertainty-based assessment substitutes for internal inspection

    Magazine Articles

    Mon, 5 Nov 2007

    assessing the effect on pipeline end-life of enhanced pigging operations, reduced chemical injection, or the introduction ..... e.g., chemical treatment vs. replacement, pigging vs. not pigging ) and more easily identify their cost benefits. Without

  7. Methods help remove black powder from gas pipelines

    Magazine Articles

    Mon, 12 Mar 2007

    natural gas in March 1999. DEPA performed a pigging operation on the first 12 km of the Greek pipeline from ..... Bulgarian territory and performed a series of pigging operations on both sides of the border ..... distribution, taking samples from debris of pigging operations or from filters’ deposits. The

  8. Innovations push Åsgard transport system to start up

    Magazine Articles

    Mon, 8 Jan 2001

    and the Åsgard transport system and how pigging and inspection requirements are accommodated. Further information ..... argued, Statoil believes that intelligent pigging is of great importance for the safe operation ..... pressure drops below the cricondenbar, pigging might be required to remove all of the liquid

  9. CORROSION CONTROL—1: Unmitigated MIC prompts integrity management changes

    Magazine Articles

    Mon, 1 Jun 2009

    slow flow rates and optimization of the pigging program. Microbial corrosion modeling can be ..... in-field pipelines, operational pigging , and water cut control. An intelligent ..... unmitigated microbial corrosion. An intelligent pigging program led to replacement of one infield

  10. Acid washes, oxygenate scavengers work against gas gathering failures

    Magazine Articles

    Mon, 1 Jul 2013

    1.4%-Mn structure of the steel. Intelligent pigging Intelligent pigging surveys investigated the internal conditions of the ..... Table 6 shows results of a magnetic flux leakage pigging for one of the 10-in. OD flowlines, with many

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