中(zhong)國(guo)(guo)石油(you)(you)(you)發展(zhan)歷程中(zhong)滴(di)掠(lve)影(ying)之(zhi)(zhi)一二：延長(chang)石油(you)(you)(you)所煉(lian)制的燈油(you)(you)(you)，“勝于東洋，能敵美(mei)產(chan)”。這個消(xiao)息轟動了(le)中(zhong)國(guo)(guo)震動了(le)世界，除日本外(wai)，美(mei)國(guo)(guo)也伸出了(le)“援助”之(zhi)(zhi)手，沙(sha)俄、德國(guo)(guo)也對延長(chang)石油(you)(you)(you)垂涎三尺均遭到(dao)中(zhong)國(guo)(guo)人(ren)民的反對，1935年(nian)(nian)延長(chang)解(jie)放延長(chang)油(you)(you)(you)礦回到(dao)人(ren)民的懷抱收(shou)歸公有歸屬陜甘寧(ning)邊(bian)區(qu)，期間延長(chang)油(you)(you)(you)礦在邊(bian)區(qu)的支持擴大了(le)生產(chan)，1936年(nian)(nian)至1949年(nian)(nian)的14年(nian)(nian)問共打井(jing)25口(kou)生產(chan)319噸，平(ping)均年(nian)(nian)產(chan)比前(qian)26年(nian)(nian)增長(chang)1.24倍(bei)有力(li)地支援了(le)前(qian)線被(bei)譽為(wei)“功臣油(you)(you)(you)礦”，1944年(nian)(nian)親筆為(wei)延長(chang)石油(you)(you)(you)廠(chang)廠(chang)長(chang)、邊(bian)區(qu)特等勞(lao)動模(mo)范(fan)陳振(zhen)夏題(ti)(ti)詞：“埋頭苦干(gan)”，1978年(nian)(nian)“延一井(jing)”加深至118米(mi)，1985年(nian)(nian)再加深到(dao)152米(mi)采油(you)(you)(you)工(gong)具(ju)也由(you)原(yuan)來的櫓臺(tai)機(ji)器變為(wei)現代抽油(you)(you)(you)機(ji)日產(chan)油(you)(you)(you)曾(ceng)達3000公斤(jin)，1985年(nian)(nian)原(yuan)副兼石油(you)(you)(you)部康世恩(en)為(wei)該井(jing)題(ti)(ti)詞“中(zhong)國(guo)(guo)陸上口(kou)油(you)(you)(you)井(jing)”，1996年(nian)(nian)，“延一井(jing)”被(bei)列入重點保護單位，1997年(nian)(nian)此井(jing)停產(chan)保護。

中(zhong)國(guo)(guo)(guo)近代石(shi)(shi)油(you)(you)(you)(you)(you)發(fa)(fa)展史(shi)點滴學(xue)習(xi)：清(qing)光(guang)緒(xu)三十年(nian)(1904年(nian))11月(yue)陜(shan)(shan)西(xi)(xi)巡撫曹(cao)鴻勛秦請(qing)試(shi)辦延長(chang)(chang)(chang)石(shi)(shi)油(you)(you)(you)(you)(you)廠(chang)(chang)并(bing)得旨允準撥銀8100兩為資，并(bing)令知(zhi)縣(xian)(xian)洪寅(yin)為總辦，VAMHC油(you)(you)(you)(you)(you)管短節(jie)，經(jing)武漢化驗油(you)(you)(you)(you)(you)質(zhi)其成分特佳，1905年(nian)創建(jian)延長(chang)(chang)(chang)石(shi)(shi)油(you)(you)(you)(you)(you)官礦(kuang)局(延長(chang)(chang)(chang)石(shi)(shi)油(you)(you)(you)(you)(you)官廠(chang)(chang))并(bing)派分段修筑(zhu)西(xi)(xi)安至延長(chang)(chang)(chang)道路，經(jing)在陜(shan)(shan)任教習(xi)的日(ri)(ri)本(ben)人阿部正野郎的介(jie)紹，聘日(ri)(ri)本(ben)佐滕彌市郎為技師，派人赴(fu)日(ri)(ri)本(ben)購買鉆井(jing)(jing)(jing)(jing)(jing)(jing)(jing)煉油(you)(you)(you)(you)(you)機器同時雇日(ri)(ri)本(ben)鉆井(jing)(jing)(jing)(jing)(jing)(jing)(jing)技佐6人，陜(shan)(shan)西(xi)(xi)省政(zheng)Z府F并(bing)派出由云飛(fei)等4人赴(fu)日(ri)(ri)學(xue)習(xi)石(shi)(shi)油(you)(you)(you)(you)(you)工(gong)程，光(guang)緒(xu)三十三年(nian)(1907年(nian))四(si)月(yue)二(er)十五日(ri)(ri)開鉆在延長(chang)(chang)(chang)縣(xian)(xian)城西(xi)(xi)門外打出口油(you)(you)(you)(you)(you)井(jing)(jing)(jing)(jing)(jing)(jing)(jing)初(chu)日(ri)(ri)產量1.5噸，該井(jing)(jing)(jing)(jing)(jing)(jing)(jing)獲得工(gong)業油(you)(you)(you)(you)(you)流(liu)是(shi)為中(zhong)國(guo)(guo)(guo)大陸口油(you)(you)(you)(you)(you)井(jing)(jing)(jing)(jing)(jing)(jing)(jing)，這是(shi)中(zhong)國(guo)(guo)(guo)陸地中(zhong)口油(you)(you)(you)(you)(you)井(jing)(jing)(jing)(jing)(jing)(jing)(jing)史(shi)稱老一井(jing)(jing)(jing)(jing)(jing)(jing)(jing)。此(ci)(ci)井(jing)(jing)(jing)(jing)(jing)(jing)(jing)鉆采成功標志(zhi)著中(zhong)國(guo)(guo)(guo)工(gong)業開采石(shi)(shi)油(you)(you)(you)(you)(you)的開始，從此(ci)(ci)揭開了(le)中(zhong)國(guo)(guo)(guo)石(shi)(shi)油(you)(you)(you)(you)(you)發(fa)(fa)展新(xin)的一頁，結束了(le)中(zhong)國(guo)(guo)(guo)大陸無油(you)(you)(you)(you)(you)的歷史(shi)，1985年(nian)國(guo)(guo)(guo)務康世(shi)恩為這口井(jing)(jing)(jing)(jing)(jing)(jing)(jing)題(ti)名“中(zhong)國(guo)(guo)(guo)陸上口油(you)(you)(you)(you)(you)井(jing)(jing)(jing)(jing)(jing)(jing)(jing)”此(ci)(ci)井(jing)(jing)(jing)(jing)(jing)(jing)(jing)保(bao)存至今作(zuo)為歷史(shi)的見證，VAMHC油(you)(you)(you)(you)(you)管變(bian)扣，中(zhong)國(guo)(guo)(guo)陸上口油(you)(you)(you)(you)(you)井(jing)(jing)(jing)(jing)(jing)(jing)(jing)位于陜(shan)(shan)西(xi)(xi)省延長(chang)(chang)(chang)縣(xian)(xian)石(shi)(shi)油(you)(you)(you)(you)(you)希(xi)望小(xiao)學(xue)校(xiao)內，中(zhong)國(guo)(guo)(guo)是(shi)早發(fa)(fa)現(xian)和使用(yong)石(shi)(shi)油(you)(you)(you)(you)(you)的國(guo)(guo)(guo)家，而陜(shan)(shan)西(xi)(xi)省延長(chang)(chang)(chang)縣(xian)(xian)又是(shi)中(zhong)國(guo)(guo)(guo)早發(fa)(fa)現(xian)和使用(yong)石(shi)(shi)油(you)(you)(you)(you)(you)的地方。

L80海德爾螺紋(wen)接(jie)頭定(ding)(ding)制X46深(shen)海油(you)(you)(you)氣(qi)輸(shu)送管(guan)(guan)線10型高壓活動彎頭廠(chang)(chang)家2-3/8寸(cun)NUE石(shi)油(you)(you)(you)管(guan)(guan)材，合(he)(he)金石(shi)油(you)(you)(you)鋼(gang)管(guan)(guan)球(qiu)(qiu)(qiu)化(hua)(hua)(hua)(hua)(hua)(hua)退(tui)火(huo)(huo)概念，是(shi)使鋼(gang)中碳(tan)(tan)(tan)化(hua)(hua)(hua)(hua)(hua)(hua)物(wu)球(qiu)(qiu)(qiu)狀(zhuang)(zhuang)化(hua)(hua)(hua)(hua)(hua)(hua)而進(jin)行的(de)(de)退(tui)火(huo)(huo)工藝(yi)稱為球(qiu)(qiu)(qiu)化(hua)(hua)(hua)(hua)(hua)(hua)退(tui)火(huo)(huo)，合(he)(he)金石(shi)油(you)(you)(you)鋼(gang)管(guan)(guan)球(qiu)(qiu)(qiu)化(hua)(hua)(hua)(hua)(hua)(hua)退(tui)火(huo)(huo)工藝(yi)，VAMHC油(you)(you)(you)管(guan)(guan)，是(shi)一般球(qiu)(qiu)(qiu)化(hua)(hua)(hua)(hua)(hua)(hua)退(tui)火(huo)(huo)工藝(yi)Ac 1 +(10～20)℃隨爐冷至 500～600 ℃空冷，無(wu)縫鋼(gang)管(guan)(guan)球(qiu)(qiu)(qiu)化(hua)(hua)(hua)(hua)(hua)(hua)退(tui)火(huo)(huo)目的(de)(de)，降低硬(ying)度(du)(du)(du)、改(gai)善組織、提高塑性和切(qie)削加工性能Q125-2海德爾螺紋(wen)變(bian)扣(kou)加工X46深(shen)海油(you)(you)(you)氣(qi)輸(shu)送管(guan)(guan)線管(guan)(guan)FF由(you)壬短接(jie)廠(chang)(chang)家2-3/8寸(cun)抗凝析水石(shi)油(you)(you)(you)管(guan)(guan)，VAMHC油(you)(you)(you)管(guan)(guan)定(ding)(ding)做，共析鋼(gang)中有網狀(zhuang)(zhuang)二次滲(shen)碳(tan)(tan)(tan)體(ti)時，不僅硬(ying)度(du)(du)(du)高，難以進(jin)行切(qie)削加工，而且增大鋼(gang)的(de)(de)脆(cui)性，容易(yi)產(chan)生淬(cui)火(huo)(huo)變(bian)形及開裂。為此，鋼(gang)熱(re)加工后必須加一道球(qiu)(qiu)(qiu)化(hua)(hua)(hua)(hua)(hua)(hua)退(tui)火(huo)(huo)，使網狀(zhuang)(zhuang)二次滲(shen)碳(tan)(tan)(tan)體(ti)和珠光(guang)(guang)體(ti)中的(de)(de)片(pian)狀(zhuang)(zhuang)滲(shen)體(ti)發生球(qiu)(qiu)(qiu)化(hua)(hua)(hua)(hua)(hua)(hua)得到粒(li)狀(zhuang)(zhuang)珠光(guang)(guang)體(ti)，冷卻速(su)度(du)(du)(du)和等(deng)(deng)(deng)溫(wen)(wen)溫(wen)(wen)度(du)(du)(du)也會影響碳(tan)(tan)(tan)化(hua)(hua)(hua)(hua)(hua)(hua)物(wu)獲得球(qiu)(qiu)(qiu)化(hua)(hua)(hua)(hua)(hua)(hua)的(de)(de)效果(guo)，冷卻速(su)度(du)(du)(du)快或等(deng)(deng)(deng)溫(wen)(wen)溫(wen)(wen)度(du)(du)(du)低，珠光(guang)(guang)體(ti)在較(jiao)(jiao)低溫(wen)(wen)度(du)(du)(du)下形成，碳(tan)(tan)(tan)化(hua)(hua)(hua)(hua)(hua)(hua)物(wu)顆(ke)粒(li)太細(xi)聚(ju)集作(zuo)用(yong)小容易(yi)形成片(pian)狀(zhuang)(zhuang)碳(tan)(tan)(tan)化(hua)(hua)(hua)(hua)(hua)(hua)物(wu)從(cong)而使硬(ying)度(du)(du)(du)偏高，如果(guo)冷卻速(su)度(du)(du)(du)過(guo)慢(man)或等(deng)(deng)(deng)溫(wen)(wen)溫(wen)(wen)度(du)(du)(du)過(guo)高，形成碳(tan)(tan)(tan)化(hua)(hua)(hua)(hua)(hua)(hua)物(wu)顆(ke)粒(li)較(jiao)(jiao)粗大，聚(ju)集作(zuo)用(yong)也很強烈，易(yi)形成粗細(xi)不等(deng)(deng)(deng)的(de)(de)粒(li)狀(zhuang)(zhuang)碳(tan)(tan)(tan)化(hua)(hua)(hua)(hua)(hua)(hua)物(wu)使硬(ying)度(du)(du)(du)偏低效果(guo)，我們經過(guo)將近二十(shi)年的(de)(de)供銷鏈(lian)條積(ji)累與各(ge)大型無(wu)縫鋼(gang)管(guan)(guan)生產(chan)企業(ye)建(jian)立了(le)長(chang)期的(de)(de)合(he)(he)作(zuo)關(guan)系，為您的(de)(de)產(chan)品(pin)質(zhi)量與服務(wu)打下堅實的(de)(de)基礎歡(huan)迎業(ye)務(wu)垂詢攜手合(he)(he)作(zuo)！