<?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>S0122-53832024000100004</article-id>
<article-id pub-id-type="doi">10.29047/01225383.725</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[CHICHIMENE FIELD T2 SAND: A SUCCESSFUL APPLICATION OF CYCLES IN A WATER INJECTION PROJECT ON HEAVY CRUDE OIL, ENABLED BY A NOVEL SMART SELECTIVE COMPLETION SYSTEM ADAPTED FOR WATER INJECTION.]]></article-title>
<article-title xml:lang="es"><![CDATA[CAMPO CHICHIMENE ARENA T2: UNA EXITOSA APLICACIÓN DE CICLOS EN UN PROYECTO DE INYECCIÓN DE AGUA EN CRUDO PESADO, HABILITADA POR UN NOVEDOSO COMPLETAMIENTO SELECTIVO INTELIGENTE ADAPTADO PARA LA INYECCIÓN DE AGUA.]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Solórzano]]></surname>
<given-names><![CDATA[Pedro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Giosa]]></surname>
<given-names><![CDATA[Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rojas]]></surname>
<given-names><![CDATA[Carol]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Satizabal]]></surname>
<given-names><![CDATA[Mónica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Araque]]></surname>
<given-names><![CDATA[Amelia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Falla]]></surname>
<given-names><![CDATA[Luisa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sanchez]]></surname>
<given-names><![CDATA[Walter]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castañeda]]></surname>
<given-names><![CDATA[Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martinez]]></surname>
<given-names><![CDATA[Mónica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ahmedt]]></surname>
<given-names><![CDATA[Diana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Ecopetrol S.A.  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,GeoPark Colombia S.A.S.  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2024</year>
</pub-date>
<volume>14</volume>
<numero>1</numero>
<fpage>41</fpage>
<lpage>54</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0122-53832024000100004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0122-53832024000100004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0122-53832024000100004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT This paper presents the application of injection in cycles, assisted by the first smart selective completion system with remote valve operation. The completion system was installed in the Chichimene Field unit T2 (Fm. San Fernando). The results were compared with conventional water injection, technology that utilizes a simple selective completion system, for recovery factor, water consumption, operation style, and others. The target unit has been subjected to selective water injection since 2016. This process consisted in injection of a controlled amount of water within 3-4 zones in equilibrium with the extractive system on producers wells to find a better crude oil movement and a commercial recovery factor. Nevertheless, the surveillance evidence suggests that some zones consume too much water due to its high permeability (heterogeneity), which affects high water cut on producers (due to the adverse mobility ratio), but also suggests that there is a better way to further improve the recovery factor. This enhancement was enabled with a smart selective completion system by promoting a scheduled temporal closure of zones while production continues, having achieved pressure-production restoration effects on the closed zones, resulting in an efficiency increase of the vertical and areal sweep. To determine if this could work, a smart completion system was installed in one well in August 2019. For more than one year, the operation and interpretation of the DAS measuring tool (Continuous sound recording) was understood, from which injected water per zone is known daily; thus the optimization of the injection rate per zone improved the production pattern behaviour. In February 2021, the injection cycles started on the well by zone, and to date, more than 25 monthly cycles have been completed, increasing the recovery factor, with a considerable reduction in water and energy consumption, maintaining a continuous measurement of zone injection. Thislevel of information has never been reached in the industry. The case study establishes a new frontier related to selective injection and also in cycles, an evolution step in water injection technology. This pilot combined in a single design selective injection, intelligent remote operating completions, continuous layer injection measuring by DAS, extra heavy oil WF, and management of high permeability variations. It is aligned with the latest regulations on decarbonization (water and energy saving). From a reservoir point of view, there has never been monitoring in injectors with this level of quality to enhance performance; in addition,, on the surface this technology has translated into a significant reduction in the use of wirelines for well operations, and has improved some well cleaning interventions with coiled tubing.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Este trabajo presenta la aplicación de inyección en ciclos, asistido por el primer completamiento selectivo inteligente con operación remota de válvulas. El completamiento fue instalado en el Campo Chichimene en la unidad T2 (Fm. San Fernando). Los resultados han sido comparados con la inyección de agua convencional que se realiza con completamiento selectivo sencillo, en los aspectos de factor de recobro, consumo de agua, estilo de operación, entre otros. La unidad objetivo ha estado sometida a inyección de agua selectiva desde 2016, cuyo proceso ha consistido en inyectar por 3-4 zonas una cantidad de agua controlada en equilibrio con el sistema extractivo en pozos productores para buscar un mejor desplazamiento de crudo y un factor de recobro comercial. Aun con esta estrategia, en el proceso se evidenciaron posibilidades de mejora, algunas zonas consumen mucha agua debido a la alta permeabilidad por la heterogeneidad de la roca, y está agua impacta en un alto corte de agua en los pozos productores, debido a la relación adversa de movilidades en el yacimiento. Con el completamiento selectivo inteligente se activa esta posibilidad, al permitir con un cronograma el cierre temporal de zonas mientras se continúa produciendo, logrando efectos de restauración de presión-producción en las zonas cerradas, permitiendo incrementar la eficiencia de barrido vertical y areal. Para determinar si esto puede funcionar, el completamiento inteligente fue instalado en un pozo en agosto de 2019. Durante un poco más de un año se comprendió su funcionamiento e interpretación con la medición DAS (Registro continuo de sonido), con la cual se obtiene el valor diario de agua inyectada por zona, la sola optimización del punto de arranque permitió mejorar el comportamiento de producción en el patrón. En febrero de 2021, se iniciaron los ciclos de inyección en ese pozo y a la fecha se han realizado más de 25 ciclos, incrementando el factor de recobro, con una considerable reducción en el consumo de agua y de energía, manteniendo una medición continua de inyección por capa, no alcanzada previamente en la industria. El caso de estudio establece una nueva frontera en la materia de inyección selectiva y en ciclos, permitiendo una evolución de la tecnología de inyección de agua. Este piloto combinó en un solo diseño: inyección selectiva, sartas de inyección operadas remotamente, medición continua de inyección continua por capas con DAS, recobro en crudos extrapesados con inyección de agua, manejo de severas variaciones de permeabilidad y se encuentra alineada con las nuevas regulaciones de descarbonización. Desde el punto de vista de reservorio, nunca se tuvo un monitoreo en inyectores con este nivel de calidad para mejorar el desempeño y en superficie, esta tecnología ha permitido reducir en forma importante el uso de cables para operaciones en pozo, así como mejorado las operaciones de limpieza con coiled tubing.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Waterflooding: Intelligent completion]]></kwd>
<kwd lng="en"><![CDATA[Cycle injection]]></kwd>
<kwd lng="en"><![CDATA[Advance water injection]]></kwd>
<kwd lng="en"><![CDATA[Selective injection]]></kwd>
<kwd lng="en"><![CDATA[Heavy oil waterflooding]]></kwd>
<kwd lng="es"><![CDATA[Inyección de agua]]></kwd>
<kwd lng="es"><![CDATA[Completamiento inteligente]]></kwd>
<kwd lng="es"><![CDATA[Inyección Cíclica]]></kwd>
<kwd lng="es"><![CDATA[Inyección de agua Avanzada]]></kwd>
<kwd lng="es"><![CDATA[Recobro crudo pesado]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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