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onfocus="this.blur();">抽油杆清洗设?/a></li> <li><a href="/fzsb/" title="辅助设备" onfocus="this.blur();">辅助设备</a></li> </ul> </div> <div class="CSpages_L_gsgk_bottom"> <img src="/template/nest00000/images/CScpfl_bot_img.jpg"> </div> <div class="clearit"></div> </div> <div class="CSpages_L_lxwm"> <div class="CSlxwm"> <img src="/template/nest00000/images/CSlxwm_bg.jpg"> </div> </div> </div> <div class="CSpages_R"> <div class="CSpages_R_title"> <div class="CSpages_R_title_L"> <span>详细内容</span> </div> <div class="CSpages_R_title_R"> <span><a href="/">首页</a> > <a href="/news/hyxw/">行业新闻</a> > 详细内容</span> </div> <div class="clearit"></div> </div> <div class="CSpages_R_cont"> <!--CSpages_R_cont--> <div class="content"> <h3>造成抽油杆断脱的原因有哪些?</h3> <h6>来源?a href='http://www.anxinfs.com/news/123.html'>http://www.anxinfs.com/news/123.html</a>    发布时间 : 2019-03-07</h6> <p><a href="http://www.anxinfs.com/">钻杆修复</a>?a href="http://www.anxinfs.com/">油管清洗</a>?a href="http://www.anxinfs.com/">抽油杆清洗设?/a>首选?a href="http://www.anxinfs.com/">濮阳创立石油机械</a>?/p> <div class="detail" id="zoom"> <p>抽油杆的断脱是影响油田正常生产的主要因素之一,那抽油杆断脱的原因主要有哪些呢?下面抽油杆清洗设备小编带我们一起来了解一下:<br /> 抽油杆柱由于长期受交变载荷和油、气、水以及腐蚀介质的共同作用,再加之定向井的偏磨,使其成为机械采油中可靠性低的设备,很容易发生断脱。导致抽油杆柱断脱的原因是多方面的,影响因素也错综复杂,主要应从以下三个方面进行分析?br /> 1.疲劳破坏<br /> 1)油杄工作条?br /> 抽油杆在工作过程中,承受不对称循环载荷的作用,上部光杆承受的载荷包括:抽油杄柱的载荷,液柱载荷,抽油杄柱、油管柱和液柱的惯性载荷,抽油杄柱在运动中受的摩擦阻力,抽油管柱和油管柱的弹性引起的振动载荷,由液击引起的的冲击载荷,由井斜变化、螺纹不同心、悬绳器摆动等因素造成的扭力等方面的力?br /> 2)负荷变化引起的疲劳破坏分析<br /> <p> 光杆负荷在上下冲程中是不相同的,在保证产量的前提下,长冲程和小冲次可以使负荷变化最小,负荷的变化主要与光杆的冲程和抽油机悬点负荷有关。由于泵阀的作用,上冲程时抽油杄承受着液柱重量,下冲程时液柱的重量便作用在油管上。因此,上冲程开始时,举升的液柱重量会使抽油杄的负荷发生突然变化,冲次愈高负荷愈大,这种负荷的突变愈强烈。抽油杆因反复拉伸作用而产生裂纹,则属于应力疲劳破坏?</p> <p style="text-align:center;"> <img src="/uploads/image/20190307/20190307084627_4581.jpg" alt="抽油杆清洗设? /> </p> 2.抽油杆机械磨损受<br /> 1)底部受压弯曲致使杄管偏?br /> 直井抽油杆弯曲产生于下冲程。在下冲程时,抽油杄带着柱塞下行,固定阀关闭,排出阀打开,液柱作用在油管上,使油管伸直。而抽油杆柱承受在液柱中的重力,杆柱与液体之间的摩擦力,采出液体通过排出阀的液流阻力所产生的向上作用力,下行时特别是在活塞游动凡尔打开前的瞬间,由于泵内液体及泵筒内壁对活塞的阻力,加之以上力的作用,导致使整个杆柱下部受压上部受拉,拉压之间存在既不受拉又不受压的中和点,中和点以下,杆柱受压失稳弯曲,弯曲的杆柱与油管内壁接触,相对运动造成杆管磨损。在此过程中,发现下行磨损均有且较严重,说明下行杆柱受压弯曲是偏磨的主要原因?br /> 2)井斜引起的机械磨损<br /> <p> 由于井斜,使油管产生弯曲,在抽油井生产时,抽油杆的综合拉力或综合重力产生了一个水平分力。在水平分力的作用下,油管和抽油杆相互接触产生摩擦。上冲程时,使抽油杆与油管内壁的一侧产生磨损,下冲程时,抽油杆弯曲与油管内壁的另一侧面产生摩损。弯曲度越大,磨损越严重,不仅抽油杆接箍与油管内壁产生磨损,而且抽油杆本体也与油管内壁产生磨损?</p> <p> 综上便是介绍抽油杆清洗设备的相关内容,希望对大家有所帮助,若有疑问,咨询我们额! </p></p> <p><div>上一?<a href="124.html">油管清洗的方法有哪些?/a></div> <div>下一?<a href="122.html">【图文】抽油杆清洗工艺 热浸泡清洗技?/a></div> </p> <div class="tag"><span style="color:#a83838;">相关标签?/span><a href='/key.aspx?k=%b3%e9%d3%cd%b8%cb%c7%e5%cf%b4%c9%e8%b1%b8'>抽油杆清洗设?/a>,<a href='/key.aspx?k=%d3%cd%b9%dc%c7%e5%cf%b4'>油管清洗</a>,<a href='/key.aspx?k=%d7%ea%b8%cb%d0%de%b8%b4'>钻杆修复</a>,</div> </div> </div> <div class="clearit"></div> <div class="comment"> <h2>相关新闻</h2> <h6 class="clear"></h6> <ul> <li><a target="_blank" href="/news/134.html" title="原有的钻杆修复工艺主要改进的好处有哪些呢?>原有的钻杆修复工艺主要改进的好处有哪些呢?/a></li> <li><a target="_blank" href="/news/133.html" title="抽油杆修复技术中存在什么问题呢?>抽油杆修复技术中存在什么问题呢?/a></li> <li><a target="_blank" href="/news/132.html" title="分析油管清洗的具体步?>分析油管清洗的具体步?/a></li> <li><a target="_blank" href="/news/131.html" title="分析钻杆修复的工艺流?>分析钻杆修复的工艺流?/a></li> <li><a target="_blank" href="/news/130.html" title="影响抽油杆清洗的原因有哪些?">影响抽油杆清洗的原因有哪些?</a></li> </ul> </div> <div class="clearit"></div> <div class="content"><h2>相关产品</h2></div> <div class="pro_list3310"> <div style="padding-top:10px;padding-left:5px;padding-right:5px"> <h2><a href="/supply/14.html" target="" title="油管清洗"><img src="http://cmsimgshow.zhuchao.cc/22842/202110140910144152284274320.jpg?path=www.anxinfs.com/uploads/cp/202110140910144152284274320.jpg" width="160" height="160" /></a></h2> <h3><a href="/supply/14.html" target="" title="油管清洗">油管清洗</a></h3> </div> <div style="padding-top:10px;padding-left:5px;padding-right:5px"> <h2><a href="/supply/17.html" target="" title="钻杆修复"><img src="http://cmsimgshow.zhuchao.cc/22842/202110140910443682284255830.jpg?path=www.anxinfs.com/uploads/cp/202110140910443682284255830.jpg" width="160" height="160" /></a></h2> <h3><a href="/supply/17.html" target="" title="钻杆修复">钻杆修复</a></h3> </div> <div style="padding-top:10px;padding-left:5px;padding-right:5px"> <h2><a href="/supply/18.html" target="" title="抽油杆清洗设?><img src="http://cmsimgshow.zhuchao.cc/22842/202110140911146332284280620.jpg?path=www.anxinfs.com/uploads/cp/202110140911146332284280620.jpg" width="160" height="160" /></a></h2> <h3><a href="/supply/18.html" target="" title="抽油杆清洗设?>抽油杆清洗设?/a></h3> </div> <div style="padding-top:10px;padding-left:5px;padding-right:5px"> <h2><a href="/supply/20.html" target="" title="抽油杆修复设?><img src="http://cmsimgshow.zhuchao.cc/22842/202110140911477742284264878.jpg?path=www.anxinfs.com/uploads/cp/202110140911477742284264878.jpg" width="160" height="160" /></a></h2> <h3><a href="/supply/20.html" target="" title="抽油杆修复设?>抽油杆修复设?/a></h3> </div> <h6 class="clear"></h6> </div> <div class="clearit"></div> <!--CSpages_R_cont--> </div> </div> </div> <div class="CSbottomline"></div> <div class="CSbottom_cont"> <div id="footer"> <a href="/" title="公司首页" rel="nofollow">公司首页</a> <a href="/news/ygqx" title="油管清洗">油管清洗</a> <a href="/news/" title="新闻资讯">新闻资讯</a> <a href="/news/zgxf" title="钻杆修复">钻杆修复</a> <a href="/supply/" title="产品中心">产品中心</a> <a href="/4g/">手机网站</a> <a href="#">返回顶部</a> <div class="cnzz"><script type="text/javascript">var cnzz_protocol = (("https:" == document.location.protocol) ? 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