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class="content"> <div class="news_arc"> <h1>【图文】石沚w’»æ†å‡ºçŽ°æ–­è£‚_çŸÏxÑaé’ÀL†ç”Ÿäñ”公司</h1> <h2>发布旉™—´åQ?019-04-20</h2> <h2>来源åQ?a href='http://www.couivm.tw/news/303.html'>http://www.couivm.tw/news/303.html</a></h2> <h3>生活中的很多行业的发展与<b>çŸÏxÑaé’ÀL†</b>都是¼›ÖM¸å¼€çš„,有时候一些行业所在的领域都有自己的品牌,今天ž®Þq‰¹åœ°ç»™å¤§å®¶ä»‹ç»ä¸€ä¸‹æ¿®é˜›_¸‚中泰çŸÏxÑaé’Õd…·æœ‰é™å…¬å¸<p style="text-indent:2em;"> ç”ÞqŸ³æ²šw’»æ†çš„工作环境及受力情况分析,é’ÀL†çš„主要失效åŞ式有断裂、塑性变形(如弯æ›ÔŒ¼‰ã€ä¸æ‰£ä¸¥é‡ç£¨æŸç­‰ã€‚其中以断裂˜q™ç§å¤±æ•ˆå½¢å¼æœ€ä¸ÞZ¸¥é‡ã€‚è¿™¿Uå¤±æ•ˆåŞ式表çŽîCؓ当钻杆头部的轴肩处承受较大的扭è{作用及冲å‡ÕdŠ›ä½œç”¨æ—Óž¼Œé’ÀL†ä¾¿ä¼šåœ¨æ­¤å¤„发生断裂。断裂发生后åQŒä¸‰ç‰™é’»å¤´ç”±äºŽå’Œå¤–界失去了连接,只能留在地层而无法取出,而三牙钻头的造ä­h又相当昂贵,˜q™æ ·ž®×ƒ¼š¾l™å®¢æˆ·å¸¦æ¥ç›¸å½“大的损失ã€?/p><p style="text-indent:2em;"> 出现断裂的原因往往是由于钻杆头部èáu肩处与管体相˜qžæŽ¥çš„地方硬度较高,塑性和韧性较差。通过金相¾l„织的分析,˜q™ä¸€éƒ¨åˆ†çš„回火烦氏体¾l„织åQˆæ·¬ç?高温回火得到的组¾l‡ï¼‰çš„晶¾_’度½{‰çñ”通常不在要求的等¾U§èŒƒå›´ä¹‹é—ß_¼Œ˜q™ç§æƒ…况的äñ”生与淬火˜q‡ç¨‹æœ‰ç€æžå¤§çš„联¾p…R€?/p><p style="text-indent:2em;"> 除断裂外åQŒè¿˜æœ‰å°±æ˜¯å¼¯æ›ŒÓ€‚即é’ÀL†çš„杆体部分发生塑性变形。当½Ž¡ä½“弯曲的弧度较大,­‘…过½Ž¡ä½“的弹性极限时åQŒç®¡ä½“则发生塑性变形。钻杆发生塑性变形对客户的媄响较ž®ï¼Œæ²¡æœ‰æ–­è£‚产生的媄响严重,只需要经˜q‡æ ¡ç›ß_¼Œå›_¯ä»¥ä‹Éé’ÀL†æ¢å¤åQŒç„¶åŽå†‹Æ¡é‡æ–°æŠ•å…¥ä‹É用,之所以会发生塑性变形,˜q™ä¹Ÿè·Ÿé’»æ†çš„淬火调质处理有着密切的关¾p…R€‚若调质的钻杆硬度较低,¾l„织中回火烦氏体¾l„织较少或烦氏体晶粒较äؓ¾_—大åQŒå±‚片间距较大,则钻杆的塑性,韧性就差,那么出现弯曲也就在所隑օäº†ã€?/p><p style="text-indent:2em;"> é’ÀL†ä¸æ‰£çš„磨损现象是与丝扣的表面¼‹¬åº¦æœ‰å…³åQŒè¿™ä¸Žäñ”品在镀铬处理过½E‹ä¸­çš„质量有养I¼Œä¸Žè°ƒè´¨å¤„理无关石油,çŸÏxÑaé’ÀL†å‡ºçŽ°æ–­è£‚在此不再作进一步分析ã€?/p><p style="text-align:center;"><img alt="【图文】石沚w’»æ†å‡ºçŽ°æ–­è£‚_çŸÏxÑaé’ÀL†ç”Ÿäñ”公司" src="http://cmsimgshow.zhuchao.cc/23774/201702041601401452377487265.jpg?path=www.couivm.tw/uploads/cp/201702041601401452377487265.jpg" style="width:480px;height:336px;"/></p><p style="text-indent:2em;"> <span style="color:#0020FF;">比较受关注的</span><span style="color:#0020FF;">åQ?/span> </p><p style="text-indent:2em;"> ‹È®é˜³å¸‚中恒石沚w’»å…ähœ‰é™å…¬å¸â€”石沚w’»æ†ä¸“业生产厂å®Óž¼Œ¾lè¥èŒƒå›´åŒ…括新旧çŸÏxÑaé’ÀL†ã€äºŒæ‰‹é’»æ†ã€?b>˜q›å£é’ÀL†</b>、地质钻杆ã€?a href="/dytg/" target="_blank">çŸÏxÑa套管</a>½{‰è®¾å¤‡ã€‚公叔R•¿æœŸåšæŒèµ°è´¨é‡æ•ˆç›Šåž‹é“路,持箋深入推进¾_„¡›Šç”Ÿäñ”åQŒç§¯æžæž„½{‘民族石沚w’»å…ïLš„品质和品牌优åŠÑ€‚和信公司凭借着独具特色的企业文化,实现了连¾l?2òq´çš„飞速发展,受到了中矛_Œ–åQŒä¸­çŸÏxÑa众多油田的深切关怀和高度重视ã€?/p><p style="text-indent:2em;"> 面向未来åQŒå…¬å¸å°†å§‹ç»ˆä¿æŒâ€œè—è§†ä¸€åˆ‡å›°éš¾ï¼Œæ•¢äºŽç«žäº‰åQŒæ•¢äºŽèƒœåˆ©â€çš„新红军精¼œžï¼Œå§‹ç»ˆå¦‚一的坚持“诚信至上,以和ä¸ø™´µâ€çš„核心理念åQŒåˆ›æ–°å‘展自ä¸Õd“ç‰Œï¼ŒæŒ¯å…´åæ—çŸÏxÑaé’Õd…·å·¥ä¸šåQŒæˆä¸ÞZ¸–界一‹¹çŸ³æ²šw’»å…·åˆ¶é€ åŽ‚商ã€?/p><p style="text-indent:2em;"></p>以上所介绍的几点就是有关“石沚w’»æ†ç”Ÿäº§å…¬å¸â€çš„åQŒç›¸ä¿¡çœ‹äº†æœ¬æ–‡çš„介绍后,对这斚w¢ä¹Ÿä¼šæœ‰è‡ªå·Þqš„一番认识,以后针对çŸÏxÑaé’ÀL†½{‰é—®é¢˜ä¹Ÿèƒ½å¾ˆå¥½çš„解决。在˜q™é‡ŒåQŒæˆ‘们推荐您多了解石沚w’»æ†ã€æ¿®é˜›_¸‚中泰çŸÏxÑaé’Õd…·æœ‰é™å…¬å¸½{‰æœ‰å…³çš„讯息åQŒå¸Œæœ›å¯¹æ‚¨æœ‰æ‰€å¸®åŠ©åQ?/h3> <p><a href="http://www.couivm.tw">çŸÏxÑaé’ÀL†</a><font color="red">,</font><a 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