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

  1. Scientists find no deepwater dead zones from gulf spill

    Online Articles

    Tue, 7 Sep 2010

    of any deepwater dead zones . A dead zone is an area of very low ..... Technology Policy. Dead zones are common in the near ..... through August. Dead zones , also known as hypoxic areas ..... associated with a dead zone and as the oil continues

  2. Thailand: Bua Ban fault block has oil in three zones

    Online Articles

    Thu, 7 Apr 2011

    encountered oil in three zones in the Bua Ban North A ..... 25% porosity. These two zones were not able to be tested ..... found the deeper Miocene zone . The company plans to target the recently discovered zones with horizontal wells to

  1. Marcellus, other zones probed in New York's Java

    Online Articles

    Wed, 28 Apr 2010

    prospectivity in several Devonian zones including Marcellus shale and Onondaga ..... reports confirm that the Marcellus zone is highly prospective as are a number of stacked shale zones above the Marcellus, all of which ..... The Onondaga, a limestone zone below the Marcellus, also appears

  2. Remedial squeeze systems provide means to seal off trouble zones

    Magazine Articles

    Mon, 8 Dec 1997

    they enter the weak zone . Lost circulation can occur in weak zones that are easily split ..... to seal the influx zone after plugging all the lower-pressure weak zones . Two LCM squeeze ..... to seal the weakest zone first then sequentially ..... to the next weakest zones , all within a single

  3. Expandable liners protect permeable zones in Russian oil wells

    Magazine Articles

    Mon, 6 Jan 2003

    the main pay or primary zone of interest, which is ..... Many of these secondary zones have commercial hydrocarbon ..... permeability loss in the affected zone . The only way to preserve ..... permeability of producing zones , penetrated by a well, is drilling the zone under pressure-balanced


    Magazine Articles

    Mon, 29 Mar 1993

    steam into the upper oil zones of a Morichal field well ..... steam had entered thief zone intervals lower in the well ..... from the newly stimulated zones . Lagoven said flowmeter ..... diverted into the upper pay zone . In this test, the surfactant

  5. Transneft poses export tariff zones for ESPO line

    Online Articles

    Mon, 9 Nov 2009

    pipeline into three export tariff zones , according to a company official ..... western, and central export tariff zones , with $34/tonne charged for oil transported via the eastern zone , $48/tonne via the western zone , and $42/tonne via the central

  6. Nigeria: Ebendo field well finds numerous oil zones

    Online Articles

    Mon, 20 Aug 2012

    64-in. choke from a second zone at the EB-4 well in Ebendo ..... Delta in Nigeria. The second zone tested, Level XIX, was the well ..... primary target and is also the zone producing 2,100 b/d in the ..... thicknesses of 21-110 ft. The eight zones were in addition to Level XIX


    Magazine Articles

    Mon, 6 Feb 1995

    upward to penetrate the second zone 189 ft higher. Mobil drilled ..... the upper pay. Both producing zones are about 100 ft thick, and ..... gas from the lower of the two zones , about the rate at which it flowed on tests. After that zone is depleted, Mobil intends

  8. Several zones yield oil at Neuquen find

    Online Articles

    Tue, 6 Dec 2005

    The 1002 well found oil in a new pay in Zone 2 of the Cretaceous Quintuco formation ..... is deferring tests of the three Quintuco zones in the 1003 well to avoid compromising the ..... the 1005 well encountered two interesting zones with encouraging oil shows in the Quintuco

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