1.0Fabricant et fournisseur d'oléoducs en acier API, de tubes de cuvelage et d'OCTGhttps://www.wldsteel.com/frWLDSTEELhttps://www.wldsteel.com/fr/author/admin/rich600338<blockquote class="wp-embedded-content" data-secret="C0eFuDZdbg"><a href="https://www.wldsteel.com/fr/whats-the-oil-casing-used-for/">À quoi sert le carter d'huile ?</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.wldsteel.com/fr/whats-the-oil-casing-used-for/embed/#?secret=C0eFuDZdbg" width="600" height="338" title="« What’s the oil casing used for? » — API steel oilfield pipeline, casing pipe, OCTG manufacturer and supplier" data-secret="C0eFuDZdbg" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://www.wldsteel.com/wp-includes/js/wp-embed.min.js </script>Oil casing can be divided into different steel grades according to the strength of the steel itself, namely J55, K55, N80, L80, C90, T95, P110, Q125, V150, etc.. Well conditions, well depths are different, the steel grade taken is also different. In the corrosive environment also request the casing itself exists corrosion resistance. The actual […]