{"id":3972,"date":"2021-05-24T03:25:52","date_gmt":"2021-05-24T03:25:52","guid":{"rendered":"https:\/\/www.wldsteel.com\/?p=3972"},"modified":"2021-05-24T03:25:53","modified_gmt":"2021-05-24T03:25:53","slug":"basic-matters-of-oil-casing","status":"publish","type":"post","link":"https:\/\/www.wldsteel.com\/de\/grundlegende-fragen-der-olforderung\/","title":{"rendered":"Grundlegende Fragen der \u00d6lverschalung"},"content":{"rendered":"<p>Chemische Zusammensetzung<br>(1) Gem\u00e4\u00df SY\/T6194-96. Die gleiche Stahlsorte wird f\u00fcr das Geh\u00e4use und seine Verbindung verwendet. Schwefelgehalt &lt;0,045% und Phosphorgehalt &lt;0,045%.<br>(2) Entnahme von Proben f\u00fcr die chemische Analyse gem\u00e4\u00df den Bestimmungen von GB\/T222-84. Chemische Analyse in \u00dcbereinstimmung mit den Bestimmungen des relevanten Teils von GB223.<br>(3) Vorschriften des American Petroleum Institute API SPEC 5CT 1988, 1. Auflage. Chemische Analyse gem\u00e4\u00df der ASTME59-Version der Probenvorbereitung, gem\u00e4\u00df der ASTME350-Version der chemischen Analyse.<\/p>\n\n\n\n<p>Erd\u00f6lverrohrung<br>Stahlsorte des \u00d6lgeh\u00e4uses: H40, J55, K55, N80, L80, C90, T95, P110, Q125, V150, usw. Bearbeitungsformen des Geh\u00e4uses: kurzes Rundgewinde, langes Rundgewinde, teilweises Trapezgewinde, spezielle Schnalle, etc. Wird f\u00fcr \u00d6lbohrungen verwendet, haupts\u00e4chlich zur Unterst\u00fctzung der Bohrlochwand w\u00e4hrend des Bohrvorgangs und nach Fertigstellung des Bohrlochs, um den normalen Betrieb des gesamten Bohrlochs nach Abschluss des Bohrvorgangs zu gew\u00e4hrleisten.<\/p>\n\n\n\n<p>Berechnung des Gewichts<br>[(OD - Wandst\u00e4rke)<em>Wandst\u00e4rke]<\/em>0,02466=kg\/m (Gewicht pro Meter)<br>Gem\u00e4\u00df der spezifischen Situation in China werden f\u00fcr jede 1 m lange Bohrung etwa 62 kg \u00d6lbohrrohre ben\u00f6tigt, davon 48 kg Casing und 10 kg Tubing. 3 kg Bohrgest\u00e4nge und 0,5 kg Bohrmanschette.<\/p>","protected":false},"excerpt":{"rendered":"<p>Chemische Zusammensetzung(1)Gem\u00e4\u00df SY\/T6194-96. Die gleiche Stahlsorte wird f\u00fcr das Geh\u00e4use und seine Verbindung verwendet. Schwefelgehalt &lt;0,045% und Phosphorgehalt &lt;0,045%.(2)Entnahme von chemischen Analyseproben gem\u00e4\u00df den Bestimmungen von GB\/T222-84. Chemische Analyse in \u00dcbereinstimmung mit den Bestimmungen des entsprechenden Teils von GB223.(3) American Petroleum Institute API SPEC 5CT 1988 1st edition regulations. [...]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Basic matters of oil casing - API steel oilfield pipeline, casing pipe, OCTG manufacturer and supplier<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wldsteel.com\/de\/basic-matters-of-oil-casing\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Basic matters of oil casing - API steel oilfield pipeline, casing pipe, OCTG manufacturer and supplier\" \/>\n<meta property=\"og:description\" content=\"Chemical composition(1)According to SY\/T6194-96. The same steel grade is used for the casing and its coupling. Sulfur content &lt;0.045% and phosphorus content &lt;0.045%.(2)Take chemical analysis samples according to the provisions of GB\/T222-84. Chemical analysis in accordance with the provisions of the relevant part of GB223.(3) American Petroleum Institute API SPEC 5CT 1988 1st edition regulations. 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