油(you)(you)井(jing)管（OCTG）是(shi)獲得(de)油(you)(you)氣資源(yuan)的(de)主(zhu)要(yao)(yao)通(tong)道(dao)，是(shi)保障(zhang)油(you)(you)氣井(jing)安(an)全，支撐能(neng)源(yuan)戰略(lve)的(de) “生命(ming)線”。根據(ju)徐婷《中國油(you)(you)井(jing)管技術助(zhu)力(li)國際標準化新發展》、李睿鑫《高鋼(gang)級石 油(you)(you)套管用鋼(gang)連續冷卻轉變行(xing)為的(de)研究》，油(you)(you)井(jing)管按用途主(zhu)要(yao)(yao)分為套管（Casing）、 油(you)(you)管（Tubing）及鉆(zhan)柱(zhu)(zhu)構(gou)件（Rod string，鉆(zhan)桿、鉆(zhan)鋌、方鉆(zhan)桿、加重(zhong)鉆(zhan)桿等(deng)）。通(tong) 過螺紋連接(jie)形成的(de)鉆(zhan)柱(zhu)(zhu)和油(you)(you)/套管柱(zhu)(zhu)是(shi)獲得(de)油(you)(you)氣資源(yuan)的(de)主(zhu)要(yao)(yao)通(tong)道(dao)，是(shi)保障(zhang)油(you)(you)氣井(jing)安(an)全， 支撐能(neng)源(yuan)戰略(lve)的(de)“生命(ming)線”。

  油(you)井(jing)管(guan)(guan)主要(yao)分為(wei)(wei)(wei)套(tao)(tao)(tao)管(guan)(guan)、油(you)管(guan)(guan)及(ji)鉆(zhan)(zhan)柱構件，套(tao)(tao)(tao)管(guan)(guan)可(ke)(ke)靠性要(yao)求極(ji)為(wei)(wei)(wei)嚴格。根(gen)據楊秀琴《中(zhong)(zhong) 國油(you)井(jing)管(guan)(guan)的供求現(xian)狀(zhuang)與發展》、李睿鑫(xin)《高(gao)鋼級石油(you)套(tao)(tao)(tao)管(guan)(guan)用鋼連續冷卻轉(zhuan)變行為(wei)(wei)(wei)的 研究》，套(tao)(tao)(tao)管(guan)(guan)（Casting）是(shi)作為(wei)(wei)(wei)油(you)、氣井(jing)井(jing)壁的鋼管(guan)(guan)。為(wei)(wei)(wei)了(le)縮短(duan)套(tao)(tao)(tao)管(guan)(guan)的下井(jing)時(shi)間， 套(tao)(tao)(tao)管(guan)(guan)都采用螺紋連接。套(tao)(tao)(tao)管(guan)(guan)是(shi)一次性使用的材(cai)料(liao)，若出現(xian)問題(ti)將導致整口油(you)井(jing)報廢， 因此可(ke)(ke)靠性要(yao)求極(ji)為(wei)(wei)(wei)嚴格。油(you)管(guan)(guan)（Tubing）用于抽油(you)管(guan)(guan)道，當(dang)油(you)、氣井(jing)打好并固井(jing) 之后，在油(you)層套(tao)(tao)(tao)管(guan)(guan)中(zhong)(zhong)設置油(you)管(guan)(guan)，一般可(ke)(ke)重復(fu)使用3次。鉆(zhan)(zhan)桿(gan)(gan)（Rodstring）、鉆(zhan)(zhan)鋌、方 鉆(zhan)(zhan)桿(gan)(gan)、加重鉆(zhan)(zhan)桿(gan)(gan)均為(wei)(wei)(wei)鉆(zhan)(zhan)具,用于鉆(zhan)(zhan)井(jing),可(ke)(ke)重復(fu)使用。一般情(qing)況下，每鉆(zhan)(zhan)進(jin)1m，約(yue)需油(you)井(jing) 管(guan)(guan)62kg，其中(zhong)(zhong)套(tao)(tao)(tao)管(guan)(guan)48kg、油(you)管(guan)(guan)10kg。

  油(you)(you)井(jing)管(guan)(guan)(guan)(guan)(guan)主要(yao)分為(wei)(wei)(wei)套(tao)(tao)管(guan)(guan)(guan)(guan)(guan)、油(you)(you)管(guan)(guan)(guan)(guan)(guan)及鉆(zhan)(zhan)(zhan)柱構件，套(tao)(tao)管(guan)(guan)(guan)(guan)(guan)可靠(kao)性要(yao)求(qiu)極為(wei)(wei)(wei)嚴格(ge)(ge)。根據楊秀(xiu)琴《中 國油(you)(you)井(jing)管(guan)(guan)(guan)(guan)(guan)的(de)(de)供(gong)求(qiu)現狀與發展》、李睿(rui)鑫《高(gao)鋼級石油(you)(you)套(tao)(tao)管(guan)(guan)(guan)(guan)(guan)用(yong)鋼連續冷卻轉(zhuan)變(bian)行為(wei)(wei)(wei)的(de)(de) 研究》，套(tao)(tao)管(guan)(guan)(guan)(guan)(guan)（Casting）是(shi)作為(wei)(wei)(wei)油(you)(you)、氣井(jing)井(jing)壁的(de)(de)鋼管(guan)(guan)(guan)(guan)(guan)。為(wei)(wei)(wei)了縮短(duan)套(tao)(tao)管(guan)(guan)(guan)(guan)(guan)的(de)(de)下井(jing)時間， 套(tao)(tao)管(guan)(guan)(guan)(guan)(guan)都采(cai)用(yong)螺紋(wen)連接。套(tao)(tao)管(guan)(guan)(guan)(guan)(guan)是(shi)一(yi)次性使(shi)用(yong)的(de)(de)材料，若(ruo)出(chu)現問(wen)題將導致(zhi)整口油(you)(you)井(jing)報(bao)廢， 因此可靠(kao)性要(yao)求(qiu)極為(wei)(wei)(wei)嚴格(ge)(ge)。油(you)(you)管(guan)(guan)(guan)(guan)(guan)（Tubing）用(yong)于(yu)(yu)抽(chou)油(you)(you)管(guan)(guan)(guan)(guan)(guan)道，當(dang)油(you)(you)、氣井(jing)打好并固井(jing) 之后，在油(you)(you)層套(tao)(tao)管(guan)(guan)(guan)(guan)(guan)中設(she)置油(you)(you)管(guan)(guan)(guan)(guan)(guan)，一(yi)般(ban)可重復(fu)(fu)使(shi)用(yong)3次。鉆(zhan)(zhan)(zhan)桿(gan)（Rodstring）、鉆(zhan)(zhan)(zhan)鋌、方 鉆(zhan)(zhan)(zhan)桿(gan)、加重鉆(zhan)(zhan)(zhan)桿(gan)均為(wei)(wei)(wei)鉆(zhan)(zhan)(zhan)具(ju),用(yong)于(yu)(yu)鉆(zhan)(zhan)(zhan)井(jing),可重復(fu)(fu)使(shi)用(yong)。一(yi)般(ban)情況下，每鉆(zhan)(zhan)(zhan)進1m，約需油(you)(you)井(jing) 管(guan)(guan)(guan)(guan)(guan)62kg，其中套(tao)(tao)管(guan)(guan)(guan)(guan)(guan)48kg、油(you)(you)管(guan)(guan)(guan)(guan)(guan)10kg。