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

  1. 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

  2. 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

  1. 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

  2. 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

  3. 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

  4. 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


    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


    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

  7. DOE sees vast energy resource in residual oil zones

    Online Articles

    Fri, 20 Jul 2012

    potentially recoverable from residual oil zones , according to initial findings from ..... overlooked resource. Residual oil zones , called ROZs, are areas of immobile ..... characterization model of the main pay zone and residual oil zone in Goldsmith field, Ector County

  8. New South Wales sets up coal seam gas exclusion zones

    Online Articles

    Fri, 22 Feb 2013

    Wales plans to establish 2-km exclusion zones around towns in the state with populations ..... from residential areas. The exclusion zone will cover future expansion of residential areas ..... Energy reacted to news of the exclusion zone by saying the ban would only exacerbate

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