<?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>S0122-53832023000100075</article-id>
<article-id pub-id-type="doi">10.29047/01225383.668</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[STUDY OF FATIGUE CHARACTERISTICS OF KEY WELDS OF MODULAR DRILLING DERRICKS]]></article-title>
<article-title xml:lang="es"><![CDATA[ESTUDIO DE LAS CARACTERÍSTICAS DE FATIGA DE LAS SOLDADURAS CLAVE DE LA TORRE DE PERFORACIÓN DEL MÓDULO]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tian]]></surname>
<given-names><![CDATA[Jialin]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[Zhe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[Chenghang]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Xiong]]></surname>
<given-names><![CDATA[Changqing]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,School of Mechanical Engineering Oil and gas equipment technology Sharing and Service Platform of Sichuan Province ]]></institution>
<addr-line><![CDATA[Chengdu Sichuan]]></addr-line>
<country>China</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<volume>13</volume>
<numero>1</numero>
<fpage>75</fpage>
<lpage>85</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0122-53832023000100075&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0122-53832023000100075&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0122-53832023000100075&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Driven by the gradual development of oil and natural gas resources, the global use of rigs and the number of wells rise steadily. Modular rigs play an important role in oil exploration because of their efficient transport, economy, technological advancement, and rig reliability. The derrick is a key part of the modular rig, and since many essential components in the derrick are welded, the fatigue life of the derrick weld is particularly relevant. In this paper, the modular rig is the object of the research, proposoing the calculation formula of fatigue life of the key weld of the derrick. Using modular rig ZJ90D as an example, and combining the rig working conditions with the structural characteristics of the derrick, the key calculation parameters are obtained by numerical analysis. Thus, the life expectancy of the key weld is calculated according to the calculation formula of fatigue life presented herein. The research results have important reference significance and guiding value for the design and optimization of modular rig derricks.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Impulsado por el desarrollo gradual de los recursos de petróleo y gas natural, el uso global de las plataformas y el número de pozos aumentan constantemente. La plataforma de módulos juega un papel importante en la exploración de petróleo debido a su eficiente transporte, economía, avance tecnológico y contabilidad de la plataforma. El Derrick es una parte importante de la plataforma del módulo, y dado que muchos componentes importantes en el Derrick están soldados, la vida de fatiga de la soldadura Derrick es particularmente importante. En este trabajo se toma como objeto de investigación el módulo aparejo y se propone la fórmula de cálculo de la vida a fatiga de la soldadura clave de la torre de perforación. Tomando el módulo rig ZJ90D como ejemplo, combinado las condiciones de trabajo de la plataforma del módulo con las características estructurales de la torre de perforación, los parámetros clave de cálculo se obtienen por análisis numérico. Por lo tanto, la esperanza de vida de la soldadura clave se calcula de acuerdo con la fórmula de cálculo de la vida a la fatiga que se presenta en este artículo. Los resultados de la investigación tienen un importante significado de referencia y valor guía para el diseño y optimización de la plataforma de módulo Derrick]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Module Rig]]></kwd>
<kwd lng="en"><![CDATA[Derrick]]></kwd>
<kwd lng="en"><![CDATA[Weld]]></kwd>
<kwd lng="en"><![CDATA[Numerical Analysis]]></kwd>
<kwd lng="en"><![CDATA[Fatigue Life]]></kwd>
<kwd lng="es"><![CDATA[Plataforma de módulos]]></kwd>
<kwd lng="es"><![CDATA[Derrick]]></kwd>
<kwd lng="es"><![CDATA[Soldadura]]></kwd>
<kwd lng="es"><![CDATA[Análisis numérico]]></kwd>
<kwd lng="es"><![CDATA[Vida de la fatiga]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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