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style="text-align:center;"> <img src="/uploads/image/20210521/20210521145310_9509.png" alt="" /> </p>   2.施工工地d的应用与理Ҏ<br />   L入井前常见问题:<br />   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 /> <p>   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另外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?</p> <p style="text-align:center;"> <img src="/uploads/image/20210521/20210521145326_9358.png" alt="" /> </p>   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 /> <p>   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。另外,q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?</p> <p style="text-align:center;"> <img src="/uploads/image/20210521/20210521145340_7794.png" alt="" /> </p>   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 /></h3> <p><a href="http://www.bjedin.com">xaL</a><font color="red">,</font><a href="http://www.bjedin.com">q口L</a><font color="red">,</font><a href="http://www.bjedin.com">地质L生厂家</a>-<a href="http://www.bjedin.com">Ȯ阳中泰xad</a></p> <div 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