1986年1月原冶金(jin)部(bu)正式廢除(chu)YB239、YB690和YB691等標(biao)(biao)準(zhun)(zhun),決(jue)定等同按API標(biao)(biao)準(zhun)(zhun)制定的(de)(de)(de)(de)(de)《套(tao)管(guan)(guan)(guan)、油(you)(you)(you)(you)管(guan)(guan)(guan)和鉆(zhan)桿(gan)(gan)規(gui)范》(YB/T3-81)、《套(tao)管(guan)(guan)(guan)、油(you)(you)(you)(you)管(guan)(guan)(guan)和管(guan)(guan)(guan)線(xian)管(guan)(guan)(guan)螺紋加工(gong)、測量和檢驗》(YB/T 4-81)等標(biao)(biao)準(zhun)(zhun)生(sheng)(sheng)產(chan)(chan)(chan)(chan)(chan)(chan)油(you)(you)(you)(you)井(jing)(jing)(jing)管(guan)(guan)(guan),實現(xian)(xian)了(le)油(you)(you)(you)(you)井(jing)(jing)(jing)管(guan)(guan)(guan)產(chan)(chan)(chan)(chan)(chan)(chan)品標(biao)(biao)準(zhun)(zhun)升級(ji)。同年寶鋼(gang)無(wu)縫(feng)(feng)廠(chang)(chang)從國(guo)(guo)(guo)(guo)外引進(jin)的(de)(de)(de)(de)(de)140mm全浮動芯(xin)棒(bang)連軋(ya)(ya)機組建成(cheng)(cheng)投產(chan)(chan)(chan)(chan)(chan)(chan),該(gai)(gai)廠(chang)(chang)后工(gong)序配有(you)油(you)(you)(you)(you)井(jing)(jing)(jing)管(guan)(guan)(guan)加工(gong)單(dan)元(yuan),可生(sheng)(sheng)產(chan)(chan)(chan)(chan)(chan)(chan)油(you)(you)(you)(you)管(guan)(guan)(guan)、套(tao)管(guan)(guan)(guan)(能(neng)(neng)生(sheng)(sheng)產(chan)(chan)(chan)(chan)(chan)(chan)5 1/2 英寸及(ji)以下(xia)規(gui)格)和鉆(zhan)桿(gan)(gan)。它的(de)(de)(de)(de)(de)建成(cheng)(cheng)投產(chan)(chan)(chan)(chan)(chan)(chan),使(shi)國(guo)(guo)(guo)(guo)內油(you)(you)(you)(you)井(jing)(jing)(jing)管(guan)(guan)(guan)生(sheng)(sheng)產(chan)(chan)(chan)(chan)(chan)(chan)的(de)(de)(de)(de)(de)技術(shu)裝(zhuang)備水(shui)平(ping)有(you)了(le)突破(po)性的(de)(de)(de)(de)(de)進(jin)展。1989年成(cheng)(cheng)都(dou)無(wu)縫(feng)(feng)鋼(gang)管(guan)(guan)(guan)廠(chang)(chang)通過了(le)美國(guo)(guo)(guo)(guo)石油(you)(you)(you)(you)學會(hui)(hui)的(de)(de)(de)(de)(de)現(xian)(xian)場和體系審核,1990年4月獲該(gai)(gai)學會(hui)(hui)向成(cheng)(cheng)都(dou)無(wu)縫(feng)(feng)鋼(gang)管(guan)(guan)(guan)廠(chang)(chang)頒發(fa)授權使(shi)用(yong)API SpecCT會(hui)(hui)標(biao)(biao)許可證(zheng),這是該(gai)(gai)學會(hui)(hui)向中(zhong)國(guo)(guo)(guo)(guo)企業頒發(fa)的(de)(de)(de)(de)(de)第(di)一(yi)個授權使(shi)用(yong)API會(hui)(hui)標(biao)(biao)許可證(zheng)。雖然當時(shi)我國(guo)(guo)(guo)(guo)油(you)(you)(you)(you)井(jing)(jing)(jing)管(guan)(guan)(guan)生(sheng)(sheng)產(chan)(chan)(chan)(chan)(chan)(chan)的(de)(de)(de)(de)(de)技術(shu)裝(zhuang)備水(shui)平(ping)和管(guan)(guan)(guan)理水(shui)平(ping)有(you)了(le)突破(po),但(dan)就油(you)(you)(you)(you)井(jing)(jing)(jing)管(guan)(guan)(guan)生(sheng)(sheng)產(chan)(chan)(chan)(chan)(chan)(chan)企業的(de)(de)(de)(de)(de)整體裝(zhuang)備水(shui)平(ping)、質量管(guan)(guan)(guan)理水(shui)平(ping)來說,仍然較低(di)。如軋(ya)(ya)管(guan)(guan)(guan)設(she)備采(cai)(cai)用(yong)自動軋(ya)(ya)管(guan)(guan)(guan)機組和皮爾格機組,熱處(chu)理采(cai)(cai)用(yong)快速爐和輥底(di)式爐,只能(neng)(neng)對油(you)(you)(you)(you)井(jing)(jing)(jing)管(guan)(guan)(guan)料進(jin)行常(chang)化(hua)(正火)處(chu)理。在這樣的(de)(de)(de)(de)(de)生(sheng)(sheng)產(chan)(chan)(chan)(chan)(chan)(chan)裝(zhuang)備條件下(xia),產(chan)(chan)(chan)(chan)(chan)(chan)品合格率僅(jin)70%多(duo),成(cheng)(cheng)材率不(bu)到50%,品種開發(fa)受到了(le)限制,僅(jin)能(neng)(neng)生(sheng)(sheng)產(chan)(chan)(chan)(chan)(chan)(chan)H40、J55鋼(gang)級(ji)的(de)(de)(de)(de)(de)產(chan)(chan)(chan)(chan)(chan)(chan)品。而且,國(guo)(guo)(guo)(guo)內油(you)(you)(you)(you)田還不(bu)愿使(shi)用(yong)國(guo)(guo)(guo)(guo)產(chan)(chan)(chan)(chan)(chan)(chan)套(tao)管(guan)(guan)(guan),使(shi)油(you)(you)(you)(you)井(jing)(jing)(jing)管(guan)(guan)(guan)產(chan)(chan)(chan)(chan)(chan)(chan)品開發(fa)進(jin)展緩慢,產(chan)(chan)(chan)(chan)(chan)(chan)量一(yi)直處(chu)于(yu)較低(di)水(shui)平(ping)。至1991年,我國(guo)(guo)(guo)(guo)油(you)(you)(you)(you)井(jing)(jing)(jing)管(guan)(guan)(guan)產(chan)(chan)(chan)(chan)(chan)(chan)量僅(jin)13.67萬(wan)(wan)噸(其中(zhong)寶鋼(gang)10.55萬(wan)(wan)噸,占了(le)77%),國(guo)(guo)(guo)(guo)產(chan)(chan)(chan)(chan)(chan)(chan)化(hua)率僅(jin)13.54%。


  20世紀90年代隨著中國經(jing)濟步入(ru)高速(su)(su)發展的快車(che)道(dao),對(dui)石油(you)需求不(bu)斷增(zeng)加,推動了(le)石油(you)工(gong)業的快速(su)(su)發展,同(tong)時也(ye)拉(la)動了(le)油(you)井管等(deng)能源用管需求的快速(su)(su)增(zeng)長(chang)。


  這一(yi)(yi)階段(duan)是(shi)(shi)我國(guo)(guo)油(you)(you)(you)井管(guan)國(guo)(guo)產(chan)化(hua)大(da)發(fa)展階段(duan),油(you)(you)(you)井管(guan)國(guo)(guo)產(chan)化(hua)是(shi)(shi)在原(yuan)冶金部、石(shi)油(you)(you)(you)部等老領導的(de)(de)關懷和(he)支持下,以(yi)及原(yuan)兩部的(de)(de)一(yi)(yi)些老專家的(de)(de)指(zhi)導下,特別值(zhi)得一(yi)(yi)提(ti)的(de)(de)是(shi)(shi),以(yi)李鶴(he)林(lin)院士為代表的(de)(de)老一(yi)(yi)輩石(shi)油(you)(you)(you)工業專家在國(guo)(guo)產(chan)化(hua)道路上給(gei)予了精心(xin)指(zhi)導,為中國(guo)(guo)油(you)(you)(you)井管(guan)國(guo)(guo)產(chan)化(hua)做出了突出的(de)(de)貢(gong)獻。這一(yi)(yi)階段(duan)主(zhu)要(yao)是(shi)(shi)按照API標(biao)準開發(fa)生產(chan)油(you)(you)(you)井管(guan),同時(shi)也開發(fa)和(he)生產(chan)了少量的(de)(de)非API標(biao)準產(chan)品,油(you)(you)(you)井管(guan)的(de)(de)自(zi)給(gei)率達到(dao)了70%以(yi)上。主(zhu)要(yao)表現在:


 1. 技(ji)術(shu)裝(zhuang)備方面


    繼寶Φ140連軋管(guan)(guan)(guan)(guan)機(ji)組和(he)油(you)井管(guan)(guan)(guan)(guan)加(jia)工(gong)線(xian)投產(chan)(chan)后,1992年(nian)(nian)底天(tian)津鋼管(guan)(guan)(guan)(guan)公(gong)司的(de)(de)(de)ф250mm 連軋機(ji)組建(jian)(jian)成投產(chan)(chan),1993年(nian)(nian)熱(re)處(chu)理線(xian)、管(guan)(guan)(guan)(guan)加(jia)工(gong)線(xian)也建(jian)(jian)成投產(chan)(chan),并(bing)于當(dang)年(nian)(nian)就生產(chan)(chan)出了J55、N80、P110三個鋼級的(de)(de)(de)石油(you)套管(guan)(guan)(guan)(guan);1992-1994年(nian)(nian)成都無(wu)縫鋼管(guan)(guan)(guan)(guan)廠(chang)的(de)(de)(de)φ180mm精密軋管(guan)(guan)(guan)(guan)機(ji)組和(he)新的(de)(de)(de)熱(re)處(chu)理線(xian)以及管(guan)(guan)(guan)(guan)加(jia)工(gong)車間也陸續建(jian)(jian)成投產(chan)(chan)。這兩(liang)個軋管(guan)(guan)(guan)(guan)機(ji)組及熱(re)處(chu)理、管(guan)(guan)(guan)(guan)加(jia)工(gong)線(xian)的(de)(de)(de)建(jian)(jian)成投產(chan)(chan)大(da)大(da)地(di)增強了我國油(you)井管(guan)(guan)(guan)(guan)的(de)(de)(de)生產(chan)(chan)能力。


 2. 產品(pin)認證方面


   1992~1995年,寶鋼(gang)(gang)先后獲(huo)得(de)了美國石(shi)油(you)學(xue)會(hui)頒發的(de)授(shou)權(quan)使(shi)(shi)(shi)用API Spec 5CT(5B)、5D(7)等(deng)會(hui)標許(xu)可(ke)(ke)證;1994年4月(yue)(yue)天(tian)津(jin)鋼(gang)(gang)管公司獲(huo)得(de)了美國石(shi)油(you)學(xue)會(hui)頒發的(de)授(shou)權(quan)使(shi)(shi)(shi)用API Spec5CT會(hui)標許(xu)可(ke)(ke)證。1997年11月(yue)(yue)和(he)1998年11月(yue)(yue)包鋼(gang)(gang)無(wu)縫(feng)鋼(gang)(gang)管廠(chang)和(he)鞍(an)鋼(gang)(gang)無(wu)縫(feng)鋼(gang)(gang)管廠(chang)分別獲(huo)得(de)了美國石(shi)油(you)學(xue)會(hui)頒發的(de)授(shou)權(quan)使(shi)(shi)(shi)用API Spec 5CT會(hui)標許(xu)可(ke)(ke)證。至此,我國五大油(you)井管生產(chan)廠(chang),已(yi)全部獲(huo)得(de)了使(shi)(shi)(shi)用API會(hui)標許(xu)可(ke)(ke)證。


 3. 產品開(kai)發方面


    基本完成API5CT標準中4組13個鋼級(不包(bao)括L80-9Cr、13Cr)產品的(de)開發;以及適(shi)應(ying)油田特(te)殊(shu)需要的(de)非(fei)API產品如(ru)開發了適(shi)用(yong)(yong)于(yu)含硫氣田的(de)抗硫化氫系列油、套(tao)管(guan);適(shi)用(yong)(yong)于(yu)深井(jing)(jing)、超深井(jing)(jing)、高(gao)抗擠系列的(de)套(tao)管(guan);適(shi)用(yong)(yong)于(yu)高(gao)壓氣井(jing)(jing)、高(gao)密封系列的(de)特(te)殊(shu)扣和半特(te)殊(shu)扣油、套(tao)管(guan);適(shi)用(yong)(yong)于(yu)稠油熱采井(jing)(jing)用(yong)(yong)套(tao)管(guan)、隔熱油管(guan);高(gao)強度鉆(zhan)桿(gan)和適(shi)用(yong)(yong)于(yu)小(xiao)井(jing)(jing)眼鉆(zhan)井(jing)(jing)、開窗側鉆(zhan)井(jing)(jing)與修井(jing)(jing)作業(ye)用(yong)(yong)的(de))Φ73.03mm小(xiao)鉆(zhan)桿(gan)、φ101.60mm無接箍套(tao)管(guan)和窄間隙接箍套(tao)管(guan)等。


 4. 在(zai)工藝技術方(fang)面(mian)


    基本掌(zhang)握了API標準油井管(guan)生產的(de)關鍵(jian)技(ji)術。包括:純凈鋼(gang)冶煉技(ji)術、高(gao)精度鋼(gang)管(guan)軋制技(ji)術、在線常化工(gong)藝技(ji)術、高(gao)性能(neng)熱處理(li)技(ji)術以及高(gao)精密螺(luo)紋加(jia)工(gong)技(ji)術等。


 5. 在(zai)產量方面(mian)


    到(dao)2000年我(wo)國(guo)(guo)油井管產量達80萬(wan)噸(dun),國(guo)(guo)產化率達到(dao)70.7%,國(guo)(guo)內所有油田(陸地和(he)海上),都使(shi)用(yong)了國(guo)(guo)產套管。


  這一(yi)(yi)階段,隨著國內幾大(da)鋼(gang)(gang)管(guan)(guan)廠獲得API會標使用許(xu)可證(zheng),并相繼按照API SpecQ1規范的要求(qiu)建立和(he)完善了產品質(zhi)(zhi)量(liang)(liang)保證(zheng)體系(xi),使國產油(you)井管(guan)(guan)的質(zhi)(zhi)量(liang)(liang)全面(mian)達到(dao)API標準(zhun)的要求(qiu),同時(shi)產量(liang)(liang)也有(you)了大(da)幅度(du)的提高。尤其是天(tian)津鋼(gang)(gang)管(guan)(guan)公(gong)司和(he)寶鋼(gang)(gang)無縫(feng)鋼(gang)(gang)管(guan)(guan)廠油(you)、套管(guan)(guan)產品的實物質(zhi)(zhi)量(liang)(liang)已經(jing)達到(dao)或接近國際一(yi)(yi)流產品的實際水平(ping),得到(dao)了國內各油(you)田的認可。


  20世(shi)紀90年代中后期(qi),國內(nei)又有幾條油(you)、套(tao)管(guan)(guan)(guan)加工(gong)(gong)線(xian)和新的(de)(de)(de)軋(ya)管(guan)(guan)(guan)機(ji)組(zu)投入生產(chan)(chan),如寶(bao)雞石(shi)油(you)鋼(gang)(gang)(gang)管(guan)(guan)(guan)廠(chang)(焊(han)管(guan)(guan)(guan))套(tao)管(guan)(guan)(guan)加工(gong)(gong)線(xian)、常寶(bao)鋼(gang)(gang)(gang)管(guan)(guan)(guan)和誠(cheng)德鋼(gang)(gang)(gang)管(guan)(guan)(guan)等(deng)企業的(de)(de)(de)油(you)管(guan)(guan)(guan)加工(gong)(gong)線(xian)、天津(jin)鋼(gang)(gang)(gang)管(guan)(guan)(guan)公司管(guan)(guan)(guan)加工(gong)(gong)分廠(chang)3號加工(gong)(gong)線(xian)(原光(guang)管(guan)(guan)(guan)線(xian)改造(zao)工(gong)(gong)程)衡陽鋼(gang)(gang)(gang)管(guan)(guan)(guan)φ89mm連軋(ya)機(ji)組(zu)以(yi)及(ji)包鋼(gang)(gang)(gang)的(de)(de)(de)Φ180mm連軋(ya)機(ji)組(zu)等(deng),這(zhe)些加工(gong)(gong)線(xian)和新機(ji)組(zu)的(de)(de)(de)投產(chan)(chan),為油(you)井管(guan)(guan)(guan)的(de)(de)(de)國產(chan)(chan)化再增添新的(de)(de)(de)力量。