{"id":991,"date":"2021-06-17T11:00:53","date_gmt":"2021-06-17T08:00:53","guid":{"rendered":"https:\/\/www.gdc.co.ke\/blog\/?post_type=glossary&#038;p=991"},"modified":"2021-08-13T09:29:23","modified_gmt":"2021-08-13T06:29:23","slug":"drill-collar","status":"publish","type":"glossary","link":"https:\/\/www.gdc.co.ke\/blog\/glossary\/drill-collar\/","title":{"rendered":"Drill collar"},"content":{"rendered":"<p>A <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Drill collar&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;&amp;lt;!-- wp:paragraph --&amp;gt;A drill collar is a thick-walled tubular drill string component, connected above the drill bit and below the heavyweight drill pipe in the bottom hole assembly. The collars are hollow from end to end to allow drilling fluid to be pumped through.&amp;lt;br\/&amp;gt;&amp;lt;!-- \/wp:paragraph --&amp;gt;&lt;\/div&gt;\" href=\"https:\/\/www.gdc.co.ke\/blog\/glossary\/drill-collar\/\" target=\"_blank\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">drill collar<\/a> is a thick-walled tubular <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='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">drill string<\/a> component, connected above the <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Drill bit&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;&amp;lt;!-- wp:paragraph --&amp;gt;The rig&amp;#039;s drill bit is a cutting tool used to bore through the ground during the development of a geothermal well. The drill bit cuts through the formation by rotation. The cuttings produced during drilling are continuously removed from the wellbore and returned to the surface&amp;lt;br\/&amp;gt;&amp;lt;!-- \/wp:paragraph --&amp;gt;&lt;\/div&gt;\" href=\"https:\/\/www.gdc.co.ke\/blog\/glossary\/drill-bit\/\" target=\"_blank\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">drill bit<\/a> and below the heavyweight drill pipe in the bottom hole assembly. The collars are hollow from end to end to allow <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Drilling Fluid&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;&amp;lt;!-- wp:paragraph --&amp;gt;Drilling fluid is a complex gas or liquid mixture that is primarily used to suspend and remove cuttings from the well during drilling. This mixture includes water, clay and other additives. It is also known as drilling mud. &amp;lt;br\/&amp;gt;&amp;lt;!-- \/wp:paragraph --&amp;gt;&lt;\/div&gt;\" href=\"https:\/\/www.gdc.co.ke\/blog\/glossary\/drilling-fluid\/\" target=\"_blank\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">drilling fluid<\/a> to be pumped through.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Drill collar&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;&amp;lt;!-- wp:paragraph --&amp;gt;A drill collar is a thick-walled tubular drill string component, connected above the drill bit and below the heavyweight drill pipe in the bottom hole assembly. The collars are hollow from end to end to allow drilling fluid to be pumped through.&amp;lt;br\/&amp;gt;&amp;lt;!-- \/wp:paragraph --&amp;gt;&lt;\/div&gt;\" href=\"https:\/\/www.gdc.co.ke\/blog\/glossary\/drill-collar\/\" target=\"_blank\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">drill collar<\/a> is a thick-walled tubular <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='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">drill string<\/a> component, connected above the <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Drill bit&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;&amp;lt;!-- wp:paragraph --&amp;gt;The rig&amp;#039;s drill bit is a cutting tool used to bore through the ground during the development of a geothermal well. The drill bit cuts through the formation by rotation. The cuttings produced during drilling are continuously removed from the wellbore and returned to the surface&amp;lt;br\/&amp;gt;&amp;lt;!-- \/wp:paragraph --&amp;gt;&lt;\/div&gt;\" href=\"https:\/\/www.gdc.co.ke\/blog\/glossary\/drill-bit\/\" target=\"_blank\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">drill bit<\/a> and below the heavyweight drill pipe in the bottom hole [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"menu_order":0,"template":"","meta":{"footnotes":""},"class_list":["post-991","glossary","type-glossary","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.gdc.co.ke\/blog\/wp-json\/wp\/v2\/glossary\/991","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":2,"href":"https:\/\/www.gdc.co.ke\/blog\/wp-json\/wp\/v2\/glossary\/991\/revisions"}],"predecessor-version":[{"id":1099,"href":"https:\/\/www.gdc.co.ke\/blog\/wp-json\/wp\/v2\/glossary\/991\/revisions\/1099"}],"wp:attachment":[{"href":"https:\/\/www.gdc.co.ke\/blog\/wp-json\/wp\/v2\/media?parent=991"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}