<?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>0120-100X</journal-id>
<journal-title><![CDATA[Revista ION]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. ion]]></abbrev-journal-title>
<issn>0120-100X</issn>
<publisher>
<publisher-name><![CDATA[Universidad Industrial de Santander]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-100X2019000100063</article-id>
<article-id pub-id-type="doi">10.18273/revion.v32n1-2019006</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Determinación y análisis estadístico de la composición de los gases producidos en un piloto de recobro mejorado]]></article-title>
<article-title xml:lang="en"><![CDATA[Determination and statistical analysis of the composition of the gases produced in an Enhanced Oil Recovery Pilot]]></article-title>
<article-title xml:lang="pt"><![CDATA[Determinação e análise estatística da composição de gases produzidos num piloto de recuperação avançada de petróleo]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz-Molina]]></surname>
<given-names><![CDATA[José Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales-Toscano]]></surname>
<given-names><![CDATA[Andrea Carolina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández-Rojas]]></surname>
<given-names><![CDATA[Marisol]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Briceño-Gamba]]></surname>
<given-names><![CDATA[Nelson]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villalba-Rey]]></surname>
<given-names><![CDATA[Deicy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rosario-Sánchez]]></surname>
<given-names><![CDATA[María del]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de los Llanos (Unillanos) Facultad de Ciencias Básicas e Ingeniería ]]></institution>
<addr-line><![CDATA[Villavicencio ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Colombiano de Petróleo  ]]></institution>
<addr-line><![CDATA[Piedecuesta Santander]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>03</day>
<month>06</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>03</day>
<month>06</month>
<year>2019</year>
</pub-date>
<volume>32</volume>
<numero>1</numero>
<fpage>63</fpage>
<lpage>73</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-100X2019000100063&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-100X2019000100063&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-100X2019000100063&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La industria petrolera en Colombia tiene el desafío de la explotación de yacimientos con crudo pesado y extrapesado. Por este motivo, en el país se han implementado métodos de recobro mejorado (EOR) que suelen tener altos índices de producción. La inyección de aire es uno de los métodos de recobro mejorado que permite alcanzar altos índices de producción. La planta Piloto de Inyección de Aire para Recobro (PIAR), ubicada en Chichimene (Meta), es pionera en el mundo por implementar este método en una reserva de crudo extrapesado (API&lt;10) de alta profundidad. El monitoreo de las propiedades fisicoquímicas de los fluidos generados durante este proceso contribuye a asegurar el correcto funcionamiento operativo del piloto. En este trabajo se determinó por cromatografía de gases (GC) la composición de los gases de producción de 16 pozos ubicados en el área del piloto. Se encontró principalmente metano (68,5±7,1 %mol), CO2 (11,4±5,6 %mol) y N2 (6,7±4,2 %mol). La composición de los gases fue disímil en toda el área, por lo que se hicieron análisis multivariados, análisis de componentes principales (ACP) y análisis de conglomerados (AC), para evaluar las similitudes entre los gases de los pozos. Como resultado, los pozos fueron organizados en tres grupos por similitud: un grupo con los niveles más altos de metano (75,8 %mol); el segundo grupo con N2 (11,9 %mol) y un tercer grupo con los valores más altos de CO2 (20,1 %mol), conformado por tres pozos. Estos grupos fueron graficados en un mapa y se observó que se encuentran en áreas muy definidas dentro del piloto.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The oil industry in Colombia has the challenge of exploiting deposits with heavy and extra-heavy oil. For this reason, Enhanced Oil Recovery methods (EOR) have been implemented in the country, looking for high production rates. Air injection is one of the EOR methods that allows to achieve high production rates. The Air Injection Pilot (PIAR) at Chichimene (Meta) is a pioneer in the world for implementing this method in a reserve of extra heavy oil (API &lt;10) in a high depth. The monitoring of the physicochemical properties of the fluids generated during this process helps to ensure the correct operational functioning of the pilot. In this work, the gas composition from 16 wells located in the pilot area was determined by gas chromatography (GC). Methane was found mainly (68.5 ± 7.1 %mol), followed by CO2 (11.4 ± 5.6 %mol) and N2 (6.7 ± 4.2 %mol). The composition of the gases was dissimilar throughout the area, so Principal Component Analysis (PCA) and Cluster Analysis (CA) were made to assess the similarities between the gases of the wells. As a result, the wells were organized into three groups by similarity: a group with the highest methane levels (75.8 %mol); the second group with N2 (11.9 %mol); and a third group with the highest CO2 values (20.1 %mol), consisting of three wells. These groups were plotted on a map and it was noted that they are in defined areas within the pilot.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo A indústria petroleira em Colômbia tem o desafio da exploração de depósitos com petróleo pesado e extrapesado. Por este motivo, no país tem sido implementados métodos de recuperação avançada de petróleo (EOR) os quais apresentam altos índices de produção. A injeção de ar é um dos métodos de recuperação que permite alcançar altos índices de produção. A planta piloto de injeção de ar para recobro (PIAR) no campo Chichimene (Meta) é pioneira no mundo por implementar este método numa reserva de petróleo extrapesado (API &lt;10) de alta profundidade. O monitoramento das propriedades físico-químicas dos fluidos gerados durante este processo contribui no asseguramento do correto funcionamento operativo do piloto. Neste trabalho determinou-se por cromatografia de gases (GC) a composição dos gases de produção de 16 poços localizados na área do piloto. Encontrou-se principalmente metano (68,5 ± 7,1 %mol), CO2 (11,4 ± 5,6 %mol) e N2 (6,7 ± 4,2 %mol). A composição dos gases foi variável em toda a área, por tanto foram feitos análise multivariados análise de componentes principais (ACP) e análise de conglomerados (AC) para avaliar as semelhanças entre os gases dos poços. Como resultado os poços se organizaram em 3 grupos por similaridade: um grupo com os níveis mais altos de metano (75,8 %mol); o segundo grupo com N2 (11,9 %mol); e um terceiro grupo com os valores mais altos de CO2 (20,1 %mol), conformado por três poços. Estes grupos foram plotados em um mapa e observou-se que se encontram em áreas bem definidas dentro do piloto.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Inyección de Aire]]></kwd>
<kwd lng="es"><![CDATA[Cromatografía de Gases]]></kwd>
<kwd lng="es"><![CDATA[Crudo Extrapesado]]></kwd>
<kwd lng="es"><![CDATA[Recobro Mejorado.]]></kwd>
<kwd lng="en"><![CDATA[Air Injection]]></kwd>
<kwd lng="en"><![CDATA[Gas Chromatography]]></kwd>
<kwd lng="en"><![CDATA[Extra Heavy Oil]]></kwd>
<kwd lng="en"><![CDATA[Enhanced Oil Recovery.]]></kwd>
<kwd lng="pt"><![CDATA[Injeção de Ar]]></kwd>
<kwd lng="pt"><![CDATA[Cromatografia de Gases (GC)]]></kwd>
<kwd lng="pt"><![CDATA[Petróleo Extrapesado]]></kwd>
<kwd lng="pt"><![CDATA[Recuperação Avançada de Petróleo.]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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