Loading ...
Sorry, an error occurred while loading the content.

Tapping of methane hydrate

Expand Messages
  • strobusnana
    http://www.japantimes.co.jp/cgi-bin/getarticle.pl5?nb20020313a5.htm Tapping of methane hydrate gas raises energy hopes An intergovernmental research team has
    Message 1 of 1 , Mar 14, 2002
    View Source
    • 0 Attachment
      http://www.japantimes.co.jp/cgi-bin/getarticle.pl5?nb20020313a5.htm


      Tapping of methane hydrate
      gas raises energy hopes

      An intergovernmental research team has succeeded
      in tapping methane hydrate in an economically
      viable gas form for the first time, the Ministry of
      Economy, Trade and Industry said.

      Experts call methane hydrate a promising energy
      source, though it has never been tapped in gas form
      before. The frosted solid substance, which has a
      composition similar to natural gas, could prove to
      be a major source of energy for Japan due to its
      abundance under the surrounding seabed.

      The team, comprising Japan National Oil Corp.,
      the Geological Survey of Canada, the U.S.
      Geological Survey, the U.S. Department of Energy,
      Germany's GeoForschungsZentrum Potsdam and
      India's Ministry of Petroleum and Natural Gas,
      ended its successful weeklong attempt to tap the
      gas Sunday.

      The experiment was conducted in Canada's
      Northwest Territories, where the ground is
      permanently frozen.

      Methane hydrate, frosted at low temperatures under
      high pressure, is found under the seabed, 1,000
      meters to 2,000 meters below the sea near the
      continental shelves, as well as under permanently
      frozen ground in Siberia, Alaska and other arctic
      areas.

      Until now, the substance could be extracted only in
      costly solid form before being turned into gas,
      making underground gasification necessary for
      economic viability.

      The team dug three 1,200-meter wells, and then
      poured water heated to a temperature of about 90
      into a methane hydrate layer about 900 meters
      underground. It then warmed the slush to about 40
      and extracted methane gas through a pipeline, they
      said.

      METI plans to conduct a similar test in waters off
      Japan in 2004 with the aim of establishing a
      commercially applicable knowledge base in about
      10 years.

      It is estimated that Japan's natural gas needs could
      be filled for 100 years by methane hydrate, they
      said.

      The Japan Times: March 13, 2002
      (C) All rights reserved
      ---
      The article mentioned injecting water @ 90 degrees into the well to
      get the hydrates into "slush" extractable form. I wonder if this
      method of extraction follows the "net energy principal"?
    Your message has been successfully submitted and would be delivered to recipients shortly.