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Pigging

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

  1. 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

  2. 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

  3. 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

  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. 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 ..... 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

  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 ..... e.g., chemical treatment vs. replacement, pigging vs. not pigging ) and more easily identify their cost benefits

  7. 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

  8. Aggressive moves counter SRB in flooded subsea pipeline

    Magazine Articles

    Mon, 3 May 2010

    sulfide scavenger treatments, and the pigging program, all of which were implemented to ..... about 3-4 mph, or about half the normal pigging speed. Because numerous pigs had previously ..... removed from the trunkline during this first pigging run measured about 60,000 bbl. Elevated

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

    Article

    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

  10. SPECIAL REPORT: Advanced isolation technology allows subsea valve replacement without purge

    Magazine Articles

    Mon, 2 May 2011

    nitrogen purge of the line, involving pigging from the offshore gas platform to the ..... need to be purged of air via nitrogen pigging from the offshore gas platform before hydrocarbons ..... control and communication system on the pigging module bidirectionally conveys control

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