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</div> <div class="CSpages_R_title_R"> <span><a href="/">首页</a> > <a href="/news/zgxf/">é’ÀL†ä¿®å¤</a> > 详细内容</span> </div> <div class="clearit"></div> </div> <div class="CSpages_R_cont"> <!--CSpages_R_cont--> <div class="content"> <h3>é’ÀL†æŸåçš„原因有哪些åQ?/h3> <h6>来源åQ?a href='http://www.bupedu.com/news/137.html'>http://www.bupedu.com/news/137.html</a>    å‘布旉™—´ : 2020-09-05</h6> <p><a href="http://www.bupedu.com/">é’ÀL†ä¿®å¤</a>åQ?a href="http://www.bupedu.com/">油管清洗</a>åQ?a href="http://www.bupedu.com/">抽æÑa杆清‹z—设å¤?/a>首选ã€?a href="http://www.bupedu.com/">‹È®é˜³åˆ›ç«‹çŸÏxÑa机械</a>ã€?/p> <div class="detail" id="zoom"> <p>é’ÀL†åœ¨é’»æŽ¢å…¨˜q‡ç¨‹ä¸­éžå¸¸å®¹æ˜“出現毁坏,有很多缘故,必须大家用心剖析åQŒæ¿®é˜›_¸‚创立çŸÏxÑa<a href="http://www.bupedu.com/zgxfsb/" target="_blank">é’ÀL†ä¿®å¤</a>公司¾l™å¤§å®¶æ•´ç†äº†ç›¸å…³åŽŸå› ã€?br /> <br /> 一、震动、弯折损å?br /> é’ÀL†æŸ±åšåˆîCÍ界å€ÆD{速比æ—Óž¼Œä¼šæ—¶é’ÀL†äº§ç”Ÿéœ‡åŠ¨åQŒè¿™ä¸€éœ‡åŠ¨é€šå¸¸ä¼šå¯¼è‡´é’»æ†å¼¯æŠ˜ã€è¿‡å¤šæŸåã€å¿«é€ŸæŸå®›_’Œç–²æƒ«æ¯åã€‚非常是é’ÀL†äº§ç”ŸäºŒç§¿Uç±»éœ‡åŠ¨åQˆæ‡L节震动与弚w»„摆型震动åQ‰é‡å æ—¶æ›´äؓ不好。äÍ界å€ÆD{速比随钻探设备的长短、钻探设备规根{€é’»é“¤è§„格和井孔ž®ºå¯¸è€Œè{变ã€?br /> <br /> 二、拉ç”Ïx¯å?br /> 拉申毁坏å¸æ€ñ”生在提拉紧致被卡的钻杆全˜q‡ç¨‹ä¸­ã€‚成为提抗拉力超出屈服极限时åQŒåœ¨é’ÀL†å£çš„较弱一部分或最ž®‘横断面处,会äñ”生“细颈部”åŞ变。假如上提抗拉力­‘…出刚刚的極限抗压强度,则钻杆将被扯断。拉ç”Ïx¯åä¸€èˆ¬äñ”生在é’ÀLŸ±çš„上端。由于上端钻探设备既要承受力åQŒåˆè¦æ‰¿æ‹…é’»æŸÞqš„净重ã€?br /> <br /> 三、疲惫毁å?br /> 疲惫毁坏是钻杆毁坏中普遍的,疲惫毁坏有三¿UåŸº¼‹€¿Uç±»åQ?br /> 1、纯疲惫毁坏<br /> é’ÀL†è¦æ‰¿æ‹…拉生뀁羃ž®ã€æ‰­æ›²å’Œå¼¯æŠ˜çš„规律性地应力。拉甛_’Œå¼¯æŠ˜æ˜¯æœ€é£Žé™©çš„地应力。现阶段åQŒé’»æ†ç–²æƒ«æ¯åçš„关键¾~˜æ•…是钻杆在弯折井孔中è{动时产生规律性地应力引发。在弯折的井孔中åQŒå³ä¾‰K’»é“¤æœ‰å……èƒö的薄厚,依然很有可能产生疲惫毁坏åQŒåƈ且毁坏的部位不一定。当é’ÀL†äº§ç”Ÿå¼¯æŠ˜æ—Óž¼Œé’ÀL†æ¯è{动一圈,其相匚w…çš„部位会因äؓ可重复性的受拉和受力而造成规律性地应力ã€?br /> <br /> 挨近钻铤之上的钻杆最很有可能遭受弯折åQŒç”±äºŽé’»é“¤å…·å¤‡å¾ˆå¤§çš„刚度åQŒèƒ½æŠµå±M弯折åQŒå¼¯æŠ˜å°†äº§ç”Ÿåœ¨é’»é“¤ä¹‹ä¸Šçš„é’ÀL†ã€‚另外钻杆上的较å¤?地应力äñ”生于é’ÀL†åŠ åŽšåž‹ä½¾|®çš„ž®„¡«¯åQŒçº¦è·è¿žæŽ¥å¤´50公分的部位。如上所˜qŽÍ¼Œ˜qžæŽ¥å¤´ä¸å¤ªå¯èƒ½å¼¯æŠ˜ï¼Œå¼¯æŠ˜åªæœ‰äº§ç”Ÿåœ¨å£åŽšè¾ƒè–„çš„é’ÀL†ä½“上åQŒåœ¨˜q™é‡Œæ¨ªæ–­é¢è{变的部位åQŒå…·æœ‰ç›¸˜q‘台钛_›ºå®šä¸åŠ¨çš„功效åQŒä‹É它变成弯折力的支撑点。假如钻杆在其总长上匀¿U°åœ°å¼¯æŠ˜åQŒåˆ™åŠŸæ•ˆäºŽé’»æ†ä¸Šçš„地应力会越来越低一些,疲惫毁坏的地应力周期旉™—´æ•°èƒ½å¤Ÿæå‡ã€?br /> <br /> 2、凹口疲惫损å?br /> é’ÀL†è¡¨å±‚的不完好无损åQŒä¸è®ºæ˜¯æœºæ¢°åŠ å·¥åˆ‰™€ äñ”生的åQŒé‚„是冶金工业全˜q‡ç¨‹ä¸­äñ”生的åQŒéƒ½ž®†å¤§å¤§çš„地危害钻杆的疲劳强度åQŒå…¶å±å®³çš„æ°´òq›_œ¨äºŽç¼ºç‚¹çš„部位、方位、样子和æ€ÀL•°ã€‚假如凹口坐落于é’ÀL†ä¸Šçš„òq¶ä¸æ˜¯å…³é”®åœ°åº”力功效的位¾|®ï¼Œåˆ™å¯¹ç–²æƒ«æ¯åçš„危完™¾ƒå¾®ã€?br /> <br /> 可是åQŒå‡å¦‚凹口坐落于距连接头50公分范畴内,因äؓ˜q™ä¸€ä½ç½®æ˜¯é’»æ†é€ æˆè¾ƒå¤§ 的应力处åQŒä¾¿ä¼šå˜æˆç–²æƒ«æ¯åçš„关键。竖向凹口能外扩散地应力而无伤害。殊不知åQŒä¸€¿Uå³ä¾¿æ˜¯å¾®å°çš„但具备锐利底角的刻¾U¿ï¼Œä¹Ÿä¼šä½¿åœ°åº”力提升åQŒåƈ且造成毁坏。现ž®†å‡ ¾cÕd¯å¯ÆD‡´å‡¹å£ç–²æƒ«æ¯åçš„钻杆表层状况列丑֦‚下:<br /> <br /> åQ?åQ‰é˜²ä¼ªæ ‡å¿—图案设计:全部横着划痕都能变成应力炏V€‚假如在é’ÀL†ä¸Šçš„不适合部位打防伪标志,则防伪标志字体样式的横着划痕和随意部位的标识会变成钻杆疲惫的èµäh­¢ä½ç½®ã€‚不允许在钻杆体上复印。标识打在具备很大横截面¿U¯çš„é’ÀL†åŠ åŽšåž‹æ¶ˆé€€ä½ç½®åQŒèƒ½å®‰å…¨æ€§åœ°æ¶ˆåŒ–吸收所造成的地应力。此外,可选用点印号以替代¾U¿å°åøP¼Œòq¶ä‹É¾|—马数字防伪标志沿着é’ÀL†ç«–向排序åQŒä¹Ÿå¯å…·æœ‰å®‰å…¨æ€§æ ‡è¯†çš„实际效果ã€?br /> <br /> åQ?åQ‰ç”µå­¤çƒ«ä¼¤ï¼šå‡å¦‚用钻杆做为接地装¾|®ç”¨çš„搭铁线åQŒé€šå¸¸ä¼šä‹É搭忠实和火èžR轨道间äñ”生电孤而ä‹Éé’ÀL†åœ†ä¸Šä¸Šè¢«çƒ«ä¼¤åQŒè¿™¿Uä¸å®ÒŽ˜“注意到的ž®å‡¹ç—•å°½½Ž¡æžå¾®å°åQŒä½†åœ¨é’»æ†ä¸Šäº§ç”Ÿå¾ˆå®½çš„烫伤带。具备夹层玻璃硬延性,很容易加快疲惫毁坏ã€?br /> <br /> åQ?åQ‰å¥—胶护½Žæ§½åQšåœ¨é’ÀL†ä¸Šçš„套胶护箍™å¶ç«¯äº§ç”Ÿçš„圆上槽是凹口疲惫毁坏的另一¿Uç¼˜æ•…ã€?br /> <br /> åQ?åQ‰å¤§é’³ç‰™ç—•ï¼šåœ¨é’»æ†ä¸Šçš„各¿Uå„æ ¯‚¡¨å±‚伤疤中åQŒå¤§é’³ç‰™ç—•æ˜¯æœ€æ™®éå’Œæœ€æ¯”较严重的。可是因为它是竖向的åQŒä¸ä¸Žä½œç”¨åœ°åº”力同一方向åQŒå› è€Œå¯¹ç–²æƒ«æ¯åçš„危害不大。假如它略微偏移于竖直方位,ž®±éžå¸¸å®¹æ˜“äñ”生应力点。要把尖嘴钳打在接头™å¶è€Œä¸å¿…打在钻杆体上,因äؓ它有可能损害é’ÀL†ã€?br /> <br /> åQ?åQ‰å¡ç“¦ä¼¤ç–¤ï¼šè½®ç›˜å¡ç“¦ä¸€èˆ¬ä¸å®ÒŽ˜“在钻杆上留出毁坏性的伤疤。可是假如卡瓦牙的生产加工欠佻I¼Œæˆ–实际操作不当,卡瓦牙会咬到é’ÀL†ã€?br /> <br /> åQ?åQ‰åœ°è´¨æž„造和½Ž¡äº•¾_‰ç¢Žé‡‘属材料寚w’»æŽ¢è®¾å¤‡è¡¨å±‚çš„‹È€å…‰åˆ‡å‰²å‡¹å?é’ÀLŽ¢è®‘Ö¤‡åœ¨äº•æ—‹è{åQŒè¡¨å±‚会与硬实的井筒地质构造相擦,以致留有圆上åˆÈº¿ã€‚è¿™¾cÕdˆ»¾U‰K€šå¸¸å‘ˆä¸‰è§’åŞåQŒåœ¨é’ÀL†å’Œé’»é“¤ä¸Šå‡äؓ普遍ã€?br /> <br /> 3、浸蚀疲惫毁坏<br /> ˜q™ç±»æ¯åæ˜¯çŽ°é˜¶æ®µä½‰K’»æ†æ—©ä¸Šæ¯åçš„òq¿æ³›¾~˜æ•…。浸蚀很有可能以各¿Uå„æ ähˆ–多种¾l¼åˆæ€§çš„毁坏方式åQˆè…èš€ã€ç£¨çƒ‚、疲惫)å¯ÆD‡´æžå…¶æ¯”较严重的毁坏。有时候,几类‹¹¸èš€æ–¹å¼ä¼šå¦å¤–äñ”生,可是一般说来,一直有一¿Uæµ¸èš€æ–¹å¼å˜æˆå…³é”®æ¯å¾~˜æ•…ã€?br /> <br /> åQ?åQ‰è…èš€å‰‚:危害é’ÀLŽ¢è®‘Ö¤‡ä¸é”ˆé’¢æ¿æçš„关键腐蚀剂有åQšco2、二氧化¼„Ÿë€æ°¯åŒ–氢、融解酸盐(氟化物、硫化物和硫酔R’ ã€é’™ã€é•åQ‰ã€å„¿Uå„样异抗坏血酸(苯甲酸、冰醋酸½{‰ï¼‰ã€?br /> <br /> åQ?åQ‰å±å®›_¯¹‹¹æ¢çƒ­ç³»æ•°çš„要素<br /> PHå€û|¼šä½ŽPH值的水性沙‹¹†ï¼Œä¼šå‡ž®‘钻探设备的疲惫使用寿命。PH值是操纵‹¹¸èš€ç–²æƒ«çš„关键要素,可是怎样¾_‘Ö‡†‹¹‹é‡å‡ø™ƒö够防止疲惫毁坏的最ž®‘PH值是艰难的。很多ä‹É用äh觉得åQŒæ²™‹¹†PH值小äº?.5åQŒä¼šå‡å°‘é’ÀLŽ¢è®‘Ö¤‡çš„疲惫ä‹É用寿命。æínåº?¾lå¤§éƒ¨åˆ†çš„对‹¹æ¢çƒ­ç³»æ•îC¼šéšæín度的提升而加速ã€?br /> <br /> 水流量:伴随着沙浆水流量的提升会加快浸蚀的速度。不匀¿U°æ€?不锈钢板材成分或外部¾læµŽæž„造的部分差别åQŒä¼šæå‡å¯ÒŽµæ¢çƒ­¾pÀL•°ã€?br /> <br /> 高地应力åQšä¸€èˆ¬åœ¨æ‰¿æ‹…高地应力的位¾|®æ¯”低地应力位置的浸蚀率快ã€?br /> <br /> 更多é’ÀL†çŸ¥è¯†å…Ïx³¨‹È®é˜³å¸‚创立石æ²?a href="http://www.bupedu.com/supply/" target="_blank">é’ÀL†ä¿®å¤</a>公司åQŒå¤šòq´çš„创新取得了十余项åQŒä¸€äº›ä¸»è¦æŠ€æœ¯æŒ‡æ ‡è¾¾åˆ°å›½å†…石油行业水òq»I¼Œ¾léªŒä¸°å¯ŒåQŒè´¨é‡ä¿è¯ã€?br /></p> <p><div>上一æ?<a href="138.html">é’ÀL†ä¿®å¤å…¬å¸åˆ†äínåQšå¡é’ȝš„原因和措æ–?/a></div> <div>下一æ?<a href="136.html">é’ÀL†ä¿®å¤å…¬å¸åˆ†äínåQšæ€Žæ ·å»‰™•¿é’ÀL†çš„ä‹É用寿命?</a></div> </p> <div class="tag"><span style="color:#a83838;">相关标签åQ?/span></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/145.html" title="‹È®é˜³é’ÀL†ä¿®å¤å…¬å¸åˆ†äínåQšæ—‹æŒ–钻机钻杆出çŽîC¸‹æ»‘的原因">‹È®é˜³é’ÀL†ä¿®å¤å…¬å¸åˆ†äínåQšæ—‹æŒ–钻机钻杆出çŽîC¸‹æ»‘的原因</a></li> <li><a target="_blank" href="/news/144.html" 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