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1、石油修井作業(yè)機(jī)鋼絲繩斷裂失效研究第8卷第2期2012年2月中國(guó)安全生產(chǎn)科學(xué)技術(shù)JournalofSafetyScienceandTechnologyV01.8NO.2Feb.2O12文章編號(hào):1673—193X(2012)—02—0200—03石油修井作業(yè)機(jī)鋼絲繩斷裂失效研究高圣新,王亭沂,王玉鵬,劉佳,郭志永(1.勝利油田安全環(huán)保處凍營(yíng)257000)(2.勝利油田技術(shù)檢測(cè)中心凍營(yíng)257000)摘要:石油修井作業(yè)機(jī)鋼絲繩斷裂失效給人身安全和設(shè)備帶來(lái)了很大的安全風(fēng)險(xiǎn).我們分析了鋼絲繩斷裂機(jī)理,對(duì)采樣進(jìn)行綜合研究認(rèn)為:鋼絲繩斷裂的肓接原因是在用鋼絲
2、繩在斷裂前的脆性斷絲數(shù)遠(yuǎn)遠(yuǎn)超過(guò)標(biāo)準(zhǔn)規(guī)定的報(bào)廢要求,即該繩”帶病工作蔦承載力嚴(yán)重降低,在過(guò)大的解卡載荷下,剩余鋼絲不足以承受工作載荷,而導(dǎo)致斷裂.筆者建議在今后的修井作業(yè)過(guò)程中,定期對(duì)鋼絲繩和輪槽進(jìn)行檢查,及時(shí)更換不滿足使用要求的鋼絲繩,輪槽;鋼絲繩使用過(guò)程中采用合理的潤(rùn)滑方法進(jìn)行維護(hù);在鋼絲繩保存和轉(zhuǎn)運(yùn)期間,避免對(duì)鋼絲繩造成損傷影響使用壽命;對(duì)于輪式修井機(jī)改用鋼芯鋼絲繩,避免結(jié)構(gòu)破壞;鑒于卷筒旋向,今后應(yīng)改用右捻鋼絲繩?在修井作業(yè)過(guò)程中,解卡作業(yè)嚴(yán)禁超負(fù)荷施工.關(guān)鍵詞:石油修井作業(yè)機(jī);鋼絲繩;斷裂失效機(jī)理;采樣研究;安全建議屮圖分類號(hào):X941
3、文獻(xiàn)標(biāo)識(shí)碼:AResearchonfracturebreakagefailureforwireropeofoilfieldworkoverrigGAOSheng.xin,WANGTing.yi,WANGYu.peng,LIUJia,GUOZhi一yong(l.SafetyandEnvironmentalProtectionBureau,ShenSiOilfield?Dongying257000,China)(2.TechnicalTestCenter,ShengliOilfield,Dongying257000,China)Abstract:T
4、hefracturebreakagesfailureofwireropeinworkoverrigmaycauseaseriousriskdangertopersonalsafetyandequipmentS-Thefracturalmechanismofwireropes^andbythecomprehensivesamplingresearchjtwasconcludedthatthedirectcauseofwirefracturebreakageWritSthatthequantityofropebrittlenessfriablebr
5、okenwiresofropebeforebreakagewasfarmorethanthestandardscrappedwirequantityrequiredtobescrappedinunderthestandardrequirements,namelythewireropeHisstiHrunningunderanabnormalstate,nandthebeatingcapacityhadgreatlydecreasedgreatly.andtheremainingnormalwireswerenotcapableofbearing
6、theexcessiveload.re—suhinginfracturebreakages.Itwasproposedthatitwasnecessarytoregularlyinspectwireropesandsheavesregu一larlyinthefutureworkoverprocessing^andtimelyreplacetheunqualifiedout一of-standardwireropesandsheaves;thesteelwireropeshouldbemaintainedbyareasonablelubricati
7、onmethodintheusingprocess.withareasonablelubricationmethod,andoperatorsshallitisnecessarytoavoidanydamagetosteelropethatoccursduringthesto一ringandtransferringprocess,thusnottoshorteningitsservicelife;thewheeled一typeworkoverrigshouldberefittedwithsteel一coredwireropetoavoidits
8、structuraldamage;itisrecommendedtoadopttheright-handlaywireropesinthefuture