?!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 地址L使用中的注意事项 - Ȯ阳市中泰石沚wh限公?/title> <meta name="Keywords" content="地质L"> <link type="text/css" href="/template/NEST60006/lib/base.css" rel="stylesheet"/> <link type="text/css" href="/template/NEST60006/lib/common.css" rel="stylesheet"/> <script src="/template/NEST60006/js/jquery-1.8.0.min.js"></script> <script src="/template/NEST60006/js/foucsbox.js"></script> <script src="/template/NEST60006/js/tpl.js"></script> <script src="/template/NEST60006/js/message_zh.js"></script> <script src="/template/NEST60006/js/message_zh-cn.js"></script> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> </head> <body> <div style="position:fixed;left:-9000px;top:-9000px;"><center id="c64ei"><sup id="c64ei"><xmp id="c64ei"></xmp></sup></center><code id="c64ei"><rt id="c64ei"><menu id="c64ei"></menu></rt></code><noscript 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L在入井应用前Q应按规格型号ƈ内螺纹接头向着d方位齐整摆在距\?.3m之上且有着充架墩的主题活动钻杆管架子上,避免水、体内湿气、土壤等寚w杆造生生锈;L道支架要维持^行面q在同一水准表面Q以避免L造成弯折形变;坐落于管道支架两边的L要用塞块l予卡紧Q避免钻杆翻转、坠落?br />   L上钻走到Q应最先对L接头螺纹及台肩突面开展完全清除、查验,定完好无损后,卛_入井应用。在L上、下d全过E中Q钻杆接头一定要配戴好护丝(提议应用钢质护丝Q,以避免接头螺U及台肩面在提拉紧致全过E中造成磕碰、损実?br />   L在沿滑轨上钻台的吊装全过E中Q提升绞车应量l持均速,在钻杆离L轨时Q得用Yl_开展h力拦截,避免产生磕碰?br />   在井{开展接单条工作前,要再度对接头螺纹和台肩突面开展清理和查验Q在定没有问题后,再将带有60%l金属材料铅_或40?0%l金属材料锌_的原ad专用型丝扣a一定量、匀U地擦抹到接头螺U及密封性台肩表面(口母接头的螺纹和台肩面q要一定量、匀U擦抹专用型丝扣油)Q与此同时要避免风沙以及它脏东西渗入丝扣油中Q危x丝aҎ或刮伤螺纹及台肩突面?br />   L应用中的常见问题Q?br />   新钻杆第一ơ入井应用时Q提议在井筒以稍于标准值的扭距Ҏ头开?ơ拧卸实际操作,定接头螺纹及突面完好无损后Q再一定量、匀U擦抹好丝扣油ƈ按照规定扭距接头螺U上紧,接着入井应用。这cȝ合期扣的实际操作有益于加U表面强度,提高螺纹的抗术贴特性,增加L的用期限?br />   井筒q接LӞ要开展h力牵正引扣,避免公接头冲L到母接头内孔或螺纹Q导致损?接着用链钛_展h力认扣,引进不少于两扣后再用液压机动力钳按照规定扭距钻杆接头螺U上紧(钢、规格型受水眼尺怸一P所必须 的上扣扭距也不一P一定要用心多方面有所差异Q?br />   每一ơ入井前Q都需要对L立杆开展调换吊装带Q促使每Ҏ头都可以在三ơv下钻全过E中获得一ơ上吊装带实际操作,以每一件接头螺Uw可以获得立即查验Q降低魔术脓、脱口、刺漏等N的生。与此同Ӟq要按时对上、下辚w具部位开展调换,以更攚wL承受力情况,使全套钻具各一部分的承受力向一_为此提升 d的用期限,降低d初期无效安全事故的生?br />   d全过E中Q要依据地质构造、井径、下辚w具配备等状况Q挑选有效的转速比和钻压,以确保钻具处在理惛_的运行状态,接到令h满意的鉆q高效率。当L的{动速率做到临界D{速比Q钻杆{动造成的竖向、横着、扭曲三U方式的振动频率与钻杆本w的共振频率相符合时Q会引v共震Q孔内全部L处在比较严重p情况Qƈ使之承担附加的疲惫地应力Q进而加快钻L疲惫无效;d大Q井低麻花钻遭受的摩擦阻力也大Q非常容易生蹩卡钻状况Q当所施加d出d的界值钻压时Q钻具便会造成弯折Q导致井斜及下边d螺纹疲惫破裂{不良媄响?br />   L在具备腐蚀的自然环境中开展工作时Q可采用在压井液中添加除氧剂和脱剂;提升 压井液的PH|使其做到10之上;采用抗硫L;应用带有内镀层的L;在达到抗压强度规定的前提条g下,量地采用低钢L{对应措施,来减浸蚀要素寚wL危害?br />   在井{对L开展拆装螺U实际操作时Q最初要应用低速,与此同时大钩扭簧要维持一定的抗拉力,以确保两接头螺纹表面间不承受力。接头螺U彻底松掉后重上提大钩,防止挫伤螺纹Q那样也可避免上端钻杆在扭簧力的作用下与井筒的母接头产生冲击性、磕碰?br />   L应用后的l护保养理ҎQ?br />   L工作q行后,钻h不一L规格型号、壁厚、水眼尺寸、钢U、归cȝ别,齐整地摆在钻杆管架子上。立即用h寚wL内、外表面Q接头螺U,及其台肩H面开展完全清除、清zƈ烘干。查验钻杆表面是否有裂痕、刻U,螺纹是不是完好无损,接头是不是存有偏,台肩面是不是整^、有没有擦破Q管w是不是存有弯折和挤咬到Q钻杆内、外表面是不是存有浸蚀、Q锈等~点。假如标准容许得话,应经常性对Ln开展超声探伤AQ对螺纹位置开展磁_探伤,以减接头螺U破裂、钻杆管w刺漏等无效安全事故的生概率。没有问题的d要在螺纹及台肩突面擦抹好防锈剂,戴好护丝Q搞好各c防护措施?br />   当场应将存在的问题的L用漆料搞好标识ƈ分离储放Q避免误用。ƈ立即对存在的问题的钻杆开展修补、更换,以防危害中后期工E施工工作。针寚w期性室外储放无需的钻杆,要用防水防雨防雨布开展遮住,q定期维护钻杆內外表面的蚀状况Q搞好防水、防腐蚀工作中?br /></h3> <p><a href="http://www.hygxsy.com">xaL</a><font color="red">,</font><a 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