{"id":1339,"date":"2023-02-09T14:16:30","date_gmt":"2023-02-09T11:16:30","guid":{"rendered":"https:\/\/www.gdc.co.ke\/blog\/?post_type=glossary&#038;p=1339"},"modified":"2023-02-09T14:16:34","modified_gmt":"2023-02-09T11:16:34","slug":"top-drive","status":"publish","type":"glossary","link":"https:\/\/www.gdc.co.ke\/blog\/glossary\/top-drive\/","title":{"rendered":"Top drive"},"content":{"rendered":"<p>A <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Top drive&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;&amp;lt;!-- wp:paragraph --&amp;gt;A top drive is a mechanical device on a drilling rig that exerts a rotating force on the drill string to drill a wellbore. The device allows drilling with three drill pipes instead of a sing pipe in a conventional Kelly system. &amp;lt;br\/&amp;gt;&amp;lt;!-- \/wp:paragraph --&amp;gt;&lt;\/div&gt;\"  href=\"https:\/\/www.gdc.co.ke\/blog\/glossary\/top-drive\/\"  target=\"_blank\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'  tabindex='0' role='link'>top drive<\/a> is a mechanical device on a <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Drilling&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;&amp;lt;!-- wp:paragraph --&amp;gt;Drilling is the process of making a hole from the ground surface through a predetermined trajectory to a predetermined depth where a desired resource is found. The desired resource can either be oil, gas or steam.&amp;lt;br\/&amp;gt;&amp;lt;!-- \/wp:paragraph --&amp;gt;&amp;lt;!-- wp:paragraph --&amp;gt;Drilling can be done for the purposes of exploration, appraisal or development of a resource field. It is also done for well control, that is, to prevent formation fluid from getting into the well bore due to surrounding pressure. &amp;lt;br\/&amp;gt;&amp;lt;!-- \/wp:paragraph --&amp;gt;&lt;\/div&gt;\"  href=\"https:\/\/www.gdc.co.ke\/blog\/glossary\/drilling\/\"  target=\"_blank\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'  tabindex='0' role='link'>drilling<\/a> rig that exerts a rotating force on the <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Drill String&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;&amp;lt;!-- wp:paragraph --&amp;gt;A drill string is a column of hollow pipes made up of consecutive steel tubulars attached to the drilling bit and the rig. It transmits drilling fluid and provides the force for advancing the drill bit.&amp;lt;br\/&amp;gt;&amp;lt;!-- \/wp:paragraph --&amp;gt;&amp;lt;!-- wp:paragraph --&amp;gt;As drilling progresses, rods are added to the string to advance the drill bit.&amp;lt;br\/&amp;gt;&amp;lt;!-- \/wp:paragraph --&amp;gt;&lt;\/div&gt;\" href=\"https:\/\/www.gdc.co.ke\/blog\/glossary\/drill-string\/\" target=\"_blank\" data-gt-translate-attributes=\"[{&quot;attribute&quot;:&quot;data-cmtooltip&quot;, &quot;format&quot;:&quot;html&quot;}]\" tabindex=\"0\" role=\"link\">drill string<\/a> to drill a wellbore. The device allows <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Drilling&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;&amp;lt;!-- wp:paragraph --&amp;gt;Drilling is the process of making a hole from the ground surface through a predetermined trajectory to a predetermined depth where a desired resource is found. The desired resource can either be oil, gas or steam.&amp;lt;br\/&amp;gt;&amp;lt;!-- \/wp:paragraph --&amp;gt;&amp;lt;!-- wp:paragraph --&amp;gt;Drilling can be done for the purposes of exploration, appraisal or development of a resource field. It is also done for well control, that is, to prevent formation fluid from getting into the well bore due to surrounding pressure. &amp;lt;br\/&amp;gt;&amp;lt;!-- \/wp:paragraph --&amp;gt;&lt;\/div&gt;\"  href=\"https:\/\/www.gdc.co.ke\/blog\/glossary\/drilling\/\"  target=\"_blank\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'  tabindex='0' role='link'>drilling<\/a> with three drill pipes instead of a sing pipe in a conventional Kelly system. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>A <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Top drive&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;&amp;lt;!-- wp:paragraph --&amp;gt;A top drive is a mechanical device on a drilling rig that exerts a rotating force on the drill string to drill a wellbore. The device allows drilling with three drill pipes instead of a sing pipe in a conventional Kelly system. &amp;lt;br\/&amp;gt;&amp;lt;!-- \/wp:paragraph --&amp;gt;&lt;\/div&gt;\" href=\"https:\/\/www.gdc.co.ke\/blog\/glossary\/top-drive\/\" target=\"_blank\" data-gt-translate-attributes=\"[{&quot;attribute&quot;:&quot;data-cmtooltip&quot;, &quot;format&quot;:&quot;html&quot;}]\" tabindex=\"0\" role=\"link\">top drive<\/a> is a mechanical device on a <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Drilling&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;&amp;lt;!-- wp:paragraph --&amp;gt;Drilling is the process of making a hole from the ground surface through a predetermined trajectory to a predetermined depth where a desired resource is found. The desired resource can either be oil, gas or steam.&amp;lt;br\/&amp;gt;&amp;lt;!-- \/wp:paragraph --&amp;gt;&amp;lt;!-- wp:paragraph --&amp;gt;Drilling can be done for the purposes of exploration, appraisal or development of a resource field. It is also done for well control, that is, to prevent formation fluid from getting into the well bore due to surrounding pressure. &amp;lt;br\/&amp;gt;&amp;lt;!-- \/wp:paragraph --&amp;gt;&lt;\/div&gt;\" href=\"https:\/\/www.gdc.co.ke\/blog\/glossary\/drilling\/\" target=\"_blank\" data-gt-translate-attributes=\"[{&quot;attribute&quot;:&quot;data-cmtooltip&quot;, &quot;format&quot;:&quot;html&quot;}]\" tabindex=\"0\" role=\"link\">drilling<\/a> rig that exerts a rotating force on the <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Drill String&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;&amp;lt;!-- wp:paragraph --&amp;gt;A drill string is a column of hollow pipes made up of consecutive steel tubulars attached to the drilling bit and the rig. It transmits drilling fluid and provides the force for advancing the drill bit.&amp;lt;br\/&amp;gt;&amp;lt;!-- \/wp:paragraph --&amp;gt;&amp;lt;!-- wp:paragraph --&amp;gt;As drilling progresses, rods are added to the string to advance the drill bit.&amp;lt;br\/&amp;gt;&amp;lt;!-- \/wp:paragraph --&amp;gt;&lt;\/div&gt;\" href=\"https:\/\/www.gdc.co.ke\/blog\/glossary\/drill-string\/\" target=\"_blank\" data-gt-translate-attributes=\"[{&quot;attribute&quot;:&quot;data-cmtooltip&quot;, &quot;format&quot;:&quot;html&quot;}]\" tabindex=\"0\" role=\"link\">drill string<\/a> to drill a wellbore. The [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"menu_order":0,"template":"","meta":{"footnotes":""},"class_list":["post-1339","glossary","type-glossary","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.gdc.co.ke\/blog\/wp-json\/wp\/v2\/glossary\/1339","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gdc.co.ke\/blog\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/www.gdc.co.ke\/blog\/wp-json\/wp\/v2\/types\/glossary"}],"author":[{"embeddable":true,"href":"https:\/\/www.gdc.co.ke\/blog\/wp-json\/wp\/v2\/users\/1"}],"version-history":[{"count":1,"href":"https:\/\/www.gdc.co.ke\/blog\/wp-json\/wp\/v2\/glossary\/1339\/revisions"}],"predecessor-version":[{"id":1340,"href":"https:\/\/www.gdc.co.ke\/blog\/wp-json\/wp\/v2\/glossary\/1339\/revisions\/1340"}],"wp:attachment":[{"href":"https:\/\/www.gdc.co.ke\/blog\/wp-json\/wp\/v2\/media?parent=1339"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}