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Pig

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

  1. By-pass pig passes test for two-phase pipelines

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    Mon, 14 Oct 1996

    … simulation model of the dynamics of a by-pass pig and related two-phase flow behavior along with field trials of the pig in a dry-gas pipeline have revealed significant gains in use of a by-pass pig in modifying gas and liquid production rates …

  2. Pig behavior provides data for monitoring pipeline geometry

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    Mon, 1 May 2000

    … deployed a system that tracks the progress of a pig as it moves along the line. The SAAM ..... 3D) pipeline-inspection vehicle (" pig ") to measure the pipeline geometry profile ..... development was based on the assumption that this pig behavior was directly affected both by the …

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  1. Pigging
  2. Subsea Pipeline
  3. Co2 Pipeline
  4. Pipeline Connection
  5. Pipeline Capacities
  6. Department of Transportation
  1. PIG -TRAIN ISOLATION DESIGN DEVELOPED FOR NORTH SEA ESV WORK

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    Mon, 26 Aug 1991

    … high differential pressure, high sealant pig concept as an isolation technique for both ..... M&S) experience with a bidirectional pig train, acquired during the installation ..... nitrogen, gelled diesel, and diesel forming a pig train (Fig. 3), referred to as primary …

  2. NORTH SEA MODULAR PIG RECEIVER DESIGNED FOR BOTH OIL, GAS

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    Mon, 5 Jul 1993

    … Seatech Consultants Ltd. London Design of subsea modular pig receivers for the North Sea's Tiffany field export ..... of the normal flow through a modular removable subsea pig receiver. Each pig receiver was designed to accept a pig train containing …

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

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    Mon, 12 Jun 1995

    … the Chinese calendar, is the Year of the Pig . This was a good omen for the sender ..... heavily this year for British Gas plc. A live pig and press accusations of piggish behavior ..... British Gas workers belong, displayed a large pig at the entrance to the meeting hall as angry …

  5. Alyeska program allows pig performance comparison

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    Mon, 10 Feb 1997

    … surveys (more commonly referred to as " pig runs") since 1979. First-generation ..... conducted while responding to the annual pig runs. With the methods presented here ..... better the information provided from the pig runs and to apply the knowledge from past …

  6. SWITCH FROM SPHERES TO PIPELINE PIG IMPROVES GAS-GATHERING EFFICIENCY

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    Mon, 1 Aug 1994

    … accommodate a conventional polyurethane pig . No modifications were needed at the Okarche ..... Subsequent launching of the 12-in. pig improved efficiencies to more than 95 ..... to about 5-10 psig from 100 psig. The pig , because of its greater seating ability …

  7. U.S. "SMART PIG " RULE COMES UNDER RECONSIDERATION

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    Mon, 17 Oct 1994

    The U.S. Transportation Department's Research and Special Programs Administration (RSPA) is reconsidering parts of a rule requiring new and replacement pipelines to be built to allow the use of "smart Pius." Since it issued the rule last spring (OGJ, Apr. 18, P. 76), industry groups have strongly

  8. Freezing in the dark

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    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 …

  9. Aggressive moves counter SRB in flooded subsea pipeline

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    Mon, 3 May 2010

    … hydrogen sulfide scavengers, and multiple pig runs can quickly eradicate even major infestations ..... upstream end of the trunkline required six pig runs before expected concentrations were ..... pools at a low point, meaning numerous pig runs may be necessary to displace chemical …

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