%0 Journal Article
%T THE CORROSION LAW AND INFLUENTIAL FACTORS BENEATH DEPOSIT ON API-PI05 STEEL<br>沉积物下API—P105钢腐蚀规律及影响因素
%A CHEN Zhuoyuan
%A DU Yuanlong
%A <br>陈卓元
%A 杜元龙
%J 腐蚀科学与防护技术
%D 2000
%I 
%X By using the dynamic loop test system with dual speeds, which was designed and constructed by authors themselves , the corrosion rate beneath deposit on API\|P105 in CO 2\|containing ,simulating injection water of Lunnan Oil Field was measured with a simulating cell. The results showed that the corrosion rate increased with increasing the ratio of the surface areas of cathode to that of anode(A c/A a). But when A c/A a increased to certain value, the corrosion rate decreased first, then increased with increasing A c/A a. In this paper, the non\|monotonic relationship between the corrosion rate and the A c/A a value is discussed and clarified. The corrosion rate was also be affected by such factors as flowing rate, partial pressure of CO 2 etc. When A c/A a was small, there was little effect on it. But after A c/A a increased to certain value, the effect would be larger.
%K CO
%K 2 corrosion
%K underdeposit corrosion
%K simulating cell<br>沉积物下腐蚀
%K 模拟电池
%K 二氧化碳
%K 钢
%K 油套管
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=AB188D3B70B071C57EB64E395D864ECE&jid=9F6E6EC8BA5BB62698F6640073DDD6E1&aid=1825F7B3C8303ECC&yid=9806D0D4EAA9BED3&vid=59906B3B2830C2C5&iid=CA4FD0336C81A37A&sid=59906B3B2830C2C5&eid=23CCDDCD68FFCC2F&journal_id=1002-6495&journal_name=腐蚀科学与防护技术&referenced_num=0&reference_num=3