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  <leader>01840nam a2200217   4500</leader>
  <controlfield tag="005">20260520010215.0</controlfield>
  <controlfield tag="008">260224s        xxu                      </controlfield>
  <datafield tag="245" ind1="0" ind2="0">
    <subfield code="a">DRILLING AND LOG DATA ANALYSIS OF GAS HYDRATE BEARING ZONE IN THE EAST SEA OF KOREA</subfield>
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  <datafield tag="270" ind1=" " ind2=" ">
    <subfield code="a">2010-08-09 ; 2010-08-09</subfield>
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    <subfield code="a">8 p.</subfield>
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  <datafield tag="500" ind1=" " ind2=" ">
    <subfield code="a">Trabajo presentado en el 24 WGC. Disponible en CD en la biblioteca. Solicite este trabajo por email a biblio@iapg.org.ar</subfield>
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  <datafield tag="520" ind1=" " ind2=" ">
    <subfield code="a">Gas hydrate is anticipated worldwide as a major future energy resource, due to its extensive deposits and environmentally friendly trait. Many countries such as U.S. and Japan have been conducting geophysical surveys and drillings through national science programs in order to investigate the distribution and resource quantities. In the case of South Korea, seismic surveys and drilling have been carried out from 2005 to 2007 in the Korean offshore to identify gas hydrate resources. This study classifies various gas hydrate bearing zones using information acquired through analysis of LWD (Logging While Drilling) data obtained from the Ulleung Basin Area. Results from analyzing the acoustic velocity and resistivity log data show that gas hydrate bearing zone clearly exists. Porosity value have been computed using the data from density log and sonic log and using the Archie&amp;#x92;s Equation, gas hydrate saturation has been computed. Deducted saturations from two target areas, UBGH-09 and UBGH-10, are found to be 11.6% and 59.7% of the pore volumes respectively</subfield>
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    <subfield code="c">CONGTP</subfield>
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    <subfield code="a">Lee, Jeonghwan</subfield>
    <subfield code="9">46293</subfield>
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    <subfield code="a">An, Seunghee</subfield>
    <subfield code="9">46294</subfield>
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    <subfield code="a">Lee, Sungrock</subfield>
    <subfield code="9">46295</subfield>
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  <datafield tag="100" ind1="1" ind2=" ">
    <subfield code="a">Kim, Youngdoo</subfield>
    <subfield code="9">46296</subfield>
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  <datafield tag="111" ind1="2" ind2=" ">
    <subfield code="a">World Gas Conference (24th. : 2009 oct 5-9 : Buenos Aires, Argentina)</subfield>
    <subfield code="9">45995</subfield>
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    <subfield code="c">175857</subfield>
    <subfield code="d">175857</subfield>
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    <subfield code="0">0</subfield>
    <subfield code="1">0</subfield>
    <subfield code="4">0</subfield>
    <subfield code="7">0</subfield>
    <subfield code="9">243676</subfield>
    <subfield code="a">BAAB</subfield>
    <subfield code="b">BAAB</subfield>
    <subfield code="d">2026-03-05</subfield>
    <subfield code="j">200047768</subfield>
    <subfield code="l">0</subfield>
    <subfield code="p">200047768</subfield>
    <subfield code="r">2026-03-05 18:56:25</subfield>
    <subfield code="w">2026-03-05</subfield>
    <subfield code="y">CONGTP</subfield>
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