<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0122-5383</journal-id>
<journal-title><![CDATA[CT&F - Ciencia, Tecnología y Futuro]]></journal-title>
<abbrev-journal-title><![CDATA[C.T.F Cienc. Tecnol. Futuro]]></abbrev-journal-title>
<issn>0122-5383</issn>
<publisher>
<publisher-name><![CDATA[Instituto Colombiano del Petróleo (ICP) - ECOPETROL S.A.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0122-53832020000100017</article-id>
<article-id pub-id-type="doi">10.29047/01225383.131</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[GAS TRANSPORT AT DENSE PHASE CONDITIONS FOR THE DEVELOPMENT OF DEEPWATER FIELDS IN THE COLOMBIAN CARIBBEAN SEA]]></article-title>
<article-title xml:lang="es"><![CDATA[TRANSPORTE DE GAS EN FASE DENSA PARA EL DESARROLLO DE CAMPOS EN AGUAS PROFUNDAS DEL MAR CARIBE COLOMBIANO]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vargas-Vera]]></surname>
<given-names><![CDATA[Brandon-Humberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rada-Santiago]]></surname>
<given-names><![CDATA[Angélica-María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cabarcas-Simancas]]></surname>
<given-names><![CDATA[Manuel-Enrique]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Industrial de Santander Escuela de Ingeniería de Petróleos ]]></institution>
<addr-line><![CDATA[Bucaramanga ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2020</year>
</pub-date>
<volume>10</volume>
<numero>1</numero>
<fpage>17</fpage>
<lpage>32</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0122-53832020000100017&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0122-53832020000100017&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0122-53832020000100017&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT The purpose of this article is to set out the benefits of using the dense phase gas transport in future projects in the Caribbean Sea and to verify that when operating pipelines at high pressures, more mass per unit of volume is transported, and liquid formation risks are mitigated in hostile environments and low temperatures. This study contains key data about gas production fields in deep and ultra-deep waters around the world, which serve as a basis for research and provide characteristics for each development to be contrasted with the subsea architecture proposed in this paper. Additionally, analogies are established between the target field (Gorgón-1, Kronos-1 and Purple Angel-1) and other offshore gas fields that have similar reservoir properties. Using geographic information systems, the layout of a gas pipeline and a subsea field architecture that starts in the new gas province is proposed. Finally, using a hydraulic simulation tool, the gas transport performance in dense phase is analyzed and compared with the conventional way of transporting gas by underwater pipelines, achieving up to 20 % in cost savings when dense phase is applied.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN El propósito de este artículo es exponer los beneficios de usar el transporte de gas en fase densa como una alternativa para futuros proyectos en el mar Caribe colombiano y comprobar que, al operar las tuberías a elevadas presiones, se transporta más masa por unidad de volumen y se mitigan riesgos de formación de líquido en ambientes hostiles y de bajas temperaturas. En este estudio se compilaron datos de campos productores de gas en aguas profundas y ultra-profundas alrededor del mundo que sirvieron de base para definir la arquitectura submarina propuesta en este artículo. Adicionalmente, se establecen analogías entre los campos exploratorios costa afuera en Colombia (Gorgón-1, Kronos-1 y Purple Angel-1) con otros campos de gas costa afuera que poseen propiedades de yacimiento similares. Mediante el uso de sistemas de información geográfica se propone el trazado de un gasoducto y una arquitectura submarina para esta nueva provincia de gas. Finalmente, con una herramienta de simulación hidráulica se analiza el desempeño del transporte de gas en fase densa y se compara con la forma convencional de transporte de gas por tubería submarina, logrando ahorros de hasta el 20 % cuando se implementa la fase densa.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Dense fluid]]></kwd>
<kwd lng="en"><![CDATA[Offshore]]></kwd>
<kwd lng="en"><![CDATA[Gas pipeline]]></kwd>
<kwd lng="en"><![CDATA[Deepwater]]></kwd>
<kwd lng="en"><![CDATA[Simulation]]></kwd>
<kwd lng="en"><![CDATA[Field Development]]></kwd>
<kwd lng="es"><![CDATA[Fluido Denso]]></kwd>
<kwd lng="es"><![CDATA[Offshore]]></kwd>
<kwd lng="es"><![CDATA[Gasoducto]]></kwd>
<kwd lng="es"><![CDATA[Aguas profundas Simulación]]></kwd>
<kwd lng="es"><![CDATA[Desarrollo de campos]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>[1]</label><nlm-citation citation-type="">
<source><![CDATA[British Petroleum Energy]]></source>
<year>2018</year>
</nlm-citation>
</ref>
<ref id="B2">
<label>[2]</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schroder]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Ladischensky]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Oil and gas from the sea, World Ocean Review]]></source>
<year></year>
</nlm-citation>
</ref>
<ref id="B3">
<label>[3]</label><nlm-citation citation-type="book">
<collab>UPME</collab>
<source><![CDATA[Documento Análisis de Abastecimientc y Confiabilidad del Sector Gas Natural]]></source>
<year>2018</year>
<publisher-name><![CDATA[Unidad de Planeación Minero Energética]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B4">
<label>[4]</label><nlm-citation citation-type="book">
<collab>Colombia Energía</collab>
<source><![CDATA[Elfuturo se vislumbra maradentro]]></source>
<year>2016</year>
<edition>14</edition>
<page-range>16-118</page-range><publisher-name><![CDATA[Colombia Energía]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B5">
<label>[5]</label><nlm-citation citation-type="book">
<source><![CDATA[La infraestructura para el desarrolle offshore va por buen camino]]></source>
<year>2016</year>
<edition>14</edition>
<page-range>33</page-range><publisher-name><![CDATA[Colombia Energía]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B6">
<label>[6]</label><nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lorio]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Bruschi]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Donati]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Challenges anc opportunities for ultradeep waters pipelines in difficult sea bottoms]]></source>
<year>2000</year>
<conf-name><![CDATA[ 16thWorld Petroleum Congress]]></conf-name>
<conf-loc>Calgary, Canada </conf-loc>
</nlm-citation>
</ref>
<ref id="B7">
<label>[7]</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nava]]></surname>
<given-names><![CDATA[Z. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Rojas]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Martinez Marcano]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[TrujiLLo]]></surname>
<given-names><![CDATA[J N.]]></given-names>
</name>
<name>
<surname><![CDATA[Rigual]]></surname>
<given-names><![CDATA[Y. C]]></given-names>
</name>
<name>
<surname><![CDATA[Gonzalez]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<source><![CDATA[Hydraulic Evaluatior of Transport Gas Pipeline on Offshore Production nternational Petroieum Technology Conference 3angkok]]></source>
<year>2011</year>
<publisher-loc><![CDATA[Thailand ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B8">
<label>[8]</label><nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schaefer]]></surname>
<given-names><![CDATA[E. F]]></given-names>
</name>
</person-group>
<source><![CDATA[Pigging of subsea pipelines]]></source>
<year>1991</year>
<conf-name><![CDATA[ Offshore Technology Conference]]></conf-name>
<conf-loc>Houston, Texas, USA </conf-loc>
</nlm-citation>
</ref>
<ref id="B9">
<label>[9]</label><nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[AlHarooni]]></surname>
<given-names><![CDATA[K. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Barifcani]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Pack]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Iglauer]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<source><![CDATA[Evaluation of Different Hydrate Prediction Software and Impact of Different MEG Products on Gas Hydrate rormation and Inhibition]]></source>
<year>2016</year>
<conf-name><![CDATA[ Offshore Technology Conference]]></conf-name>
<conf-loc>Kuala Lumpur, Malaysia </conf-loc>
</nlm-citation>
</ref>
<ref id="B10">
<label>[10]</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moshfeghlan]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<source><![CDATA[Variation of properties In the dense chase region part 1]]></source>
<year>2009</year>
</nlm-citation>
</ref>
<ref id="B11">
<label>[11]</label><nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Marlbu]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Falck]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Burman]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<source><![CDATA[Asgarc Gas Transport System: Precommlsslonlng anc Commissioning]]></source>
<year>2001</year>
<conf-name><![CDATA[ The Eleventh Int. Offshore and Polar Engineering Conference]]></conf-name>
<conf-loc>Stavanger, Norway </conf-loc>
</nlm-citation>
</ref>
<ref id="B12">
<label>[12]</label><nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Helland]]></surname>
<given-names><![CDATA[A. I.]]></given-names>
</name>
<name>
<surname><![CDATA[Ohm]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Johannessen]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<source><![CDATA[Asgarc Transport Pipeline - Onshore Section]]></source>
<year>2001</year>
<conf-name><![CDATA[ The Eleventh Int. Offshore and Polar Engineering Conference]]></conf-name>
<conf-loc>Stavanger, Norway </conf-loc>
</nlm-citation>
</ref>
<ref id="B13">
<label>[13]</label><nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[AlRaeesi]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Al Kaabi]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
</person-group>
<source><![CDATA[Impacts of Dense Phase Flow on Pipeline Capacity - Case Study]]></source>
<year>2016</year>
<conf-name><![CDATA[ International Petroleum Exhibition &amp; Conference]]></conf-name>
<conf-loc>Abu Dhabi, UAE </conf-loc>
</nlm-citation>
</ref>
<ref id="B14">
<label>[14]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[King]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ultra-High Gas Pressure Pipelines Offer Advantages for Arctic Service]]></article-title>
<source><![CDATA[Oil &amp; Gas Journal]]></source>
<year>1992</year>
<volume>90</volume>
<numero>0030-1388</numero>
<issue>0030-1388</issue>
<page-range>79-84</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>[15]</label><nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[King]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Kedge]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhou]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Matuszkiewicz]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<source><![CDATA[Superhigh Pressure Dense Phase Arctic Pipelines Increase Reliability and Reduce Costs]]></source>
<year>2002</year>
<conf-name><![CDATA[ 4thInternational Pipeline Conference]]></conf-name>
<conf-loc>Calgary, Canada </conf-loc>
</nlm-citation>
</ref>
<ref id="B16">
<label>[16]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Corbett]]></surname>
<given-names><![CDATA[K. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Bowen]]></surname>
<given-names><![CDATA[R. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Petersen]]></surname>
<given-names><![CDATA[C. W]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[High-strength Steel Pipeline Economics]]></article-title>
<source><![CDATA[International Journal of Offshore and Polar Engineering]]></source>
<year></year>
<volume>14</volume>
<numero>01</numero>
<issue>01</issue>
<page-range>75-80</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>[17]</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Betancourt]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Avances en las mediciones de las propiedades de los fluidos]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Betancourt]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Ray]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Davies]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Dong]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Elshahawi]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Mullins]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Nighswander]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[O'Keefe]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<source><![CDATA[Oilflied Review]]></source>
<year>2008</year>
<page-range>62</page-range><publisher-loc><![CDATA[Houston ]]></publisher-loc>
<publisher-name><![CDATA[Schlumberger]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B18">
<label>[18]</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moshfeghian]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[John]]></surname>
<given-names><![CDATA[M. Campbell]]></given-names>
</name>
</person-group>
<source><![CDATA[Variation of properties in the dense phase region; Part 2 - Natural Gas]]></source>
<year>2010</year>
</nlm-citation>
</ref>
<ref id="B19">
<label>[19]</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Baker]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<source><![CDATA[Transport of North Slope Natural Gas Tidewater]]></source>
<year>2005</year>
<publisher-loc><![CDATA[Alaska ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B20">
<label>[20]</label><nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Helgaker]]></surname>
<given-names><![CDATA[H. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Ytrehus]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<source><![CDATA[Coupling between Continuity/Momentum and Energy Equation in 1D Gas Flow]]></source>
<year>2012</year>
<conf-name><![CDATA[ 2ndTrondheim Gas Technology Conference, Trondheim]]></conf-name>
<conf-loc>Norway </conf-loc>
</nlm-citation>
</ref>
<ref id="B21">
<label>[21]</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Helgaker]]></surname>
<given-names><![CDATA[J. F]]></given-names>
</name>
</person-group>
<source><![CDATA[Modeling transient low in long distance offshore natural gas pipelines, Phil]]></source>
<year>2013</year>
<publisher-loc><![CDATA[Trondheim, Norway ]]></publisher-loc>
<publisher-name><![CDATA[Dept. Energy and Processes Eng, Norwegian Univ. of Science and Technology (NTNU)]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B22">
<label>[22]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[A. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Gonzalez]]></surname>
<given-names><![CDATA[M. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Aime]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Eakin]]></surname>
<given-names><![CDATA[B. E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The Viscosity of Natural Gases]]></article-title>
<source><![CDATA[Journal of Petroleum Technology]]></source>
<year>1966</year>
<volume>13</volume>
<page-range>997-1.000</page-range></nlm-citation>
</ref>
<ref id="B23">
<label>[23]</label><nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ramsen]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Losnegard]]></surname>
<given-names><![CDATA[S.-E.]]></given-names>
</name>
<name>
<surname><![CDATA[Langelandsvik]]></surname>
<given-names><![CDATA[L. I.]]></given-names>
</name>
<name>
<surname><![CDATA[Simonsen]]></surname>
<given-names><![CDATA[A. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Postvoll]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
</person-group>
<source><![CDATA[Important Aspects of Gas Temperature Modeling in Long Subsea Pipelines]]></source>
<year>2009</year>
<conf-name><![CDATA[ PSIG Annual Meeting]]></conf-name>
<conf-loc>Galveston, Texas, USA </conf-loc>
</nlm-citation>
</ref>
<ref id="B24">
<label>[24]</label><nlm-citation citation-type="">
<collab>Agencia Nacional de Hidrocarburos</collab>
<source><![CDATA[Ronda Colombia 2014]]></source>
<year>2014</year>
</nlm-citation>
</ref>
<ref id="B25">
<label>[25]</label><nlm-citation citation-type="">
<collab>APC</collab>
<source><![CDATA[APC, Fourth Quarter Operations Report]]></source>
<year>2017</year>
</nlm-citation>
</ref>
<ref id="B26">
<label>[26]</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Belalcázar]]></surname>
<given-names><![CDATA[J. C]]></given-names>
</name>
</person-group>
<source><![CDATA[Costa afuera, oportunidades en el mar profundo]]></source>
<year>2017</year>
<edition>15</edition>
<page-range>56</page-range><publisher-name><![CDATA[Colombia Energía]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B27">
<label>[27]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vargas]]></surname>
<given-names><![CDATA[C. A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluating total Yet-to-Find hydrocarbon volume in Colombia]]></article-title>
<source><![CDATA[Earth Sciences Research Journal]]></source>
<year>2012</year>
<volume>19</volume>
<page-range>1-246</page-range><publisher-loc><![CDATA[Bogota ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B28">
<label>[28]</label><nlm-citation citation-type="">
<collab>Centro de Investigaciones Oceanográficas e Hidrográficas del Caribe (cioh)</collab>
<source><![CDATA[Aviso a Navegantes]]></source>
<year>2017</year>
</nlm-citation>
</ref>
<ref id="B29">
<label>[29]</label><nlm-citation citation-type="journal">
<collab>Esri. Bathymetry</collab>
<article-title xml:lang=""><![CDATA[Scale not given]]></article-title>
<source><![CDATA[World Bathymetric Map. September 28, 2017]]></source>
<year>2017</year>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
