油(you)(you)井管（OCTG）是(shi)獲得(de)油(you)(you)氣(qi)(qi)(qi)資(zi)源的(de)主(zhu)要通道，是(shi)保障(zhang)油(you)(you)氣(qi)(qi)(qi)井安全，支撐能源戰(zhan)(zhan)略(lve)的(de) “生命線”。根據徐婷《中(zhong)國(guo)油(you)(you)井管技術助(zhu)力國(guo)際(ji)標準(zhun)化新發展》、李睿鑫《高(gao)鋼級石 油(you)(you)套管用鋼連續(xu)冷卻轉變(bian)行(xing)為(wei)的(de)研究》，油(you)(you)井管按用途主(zhu)要分為(wei)套管（Casing）、 油(you)(you)管（Tubing）及鉆(zhan)(zhan)(zhan)柱(zhu)構件（Rod string，鉆(zhan)(zhan)(zhan)桿、鉆(zhan)(zhan)(zhan)鋌、方鉆(zhan)(zhan)(zhan)桿、加(jia)重鉆(zhan)(zhan)(zhan)桿等）。通 過螺紋連接形(xing)成的(de)鉆(zhan)(zhan)(zhan)柱(zhu)和油(you)(you)/套管柱(zhu)是(shi)獲得(de)油(you)(you)氣(qi)(qi)(qi)資(zi)源的(de)主(zhu)要通道，是(shi)保障(zhang)油(you)(you)氣(qi)(qi)(qi)井安全， 支撐能源戰(zhan)(zhan)略(lve)的(de)“生命線”。

  油(you)(you)(you)(you)井管(guan)(guan)(guan)(guan)主要分為套(tao)管(guan)(guan)(guan)(guan)、油(you)(you)(you)(you)管(guan)(guan)(guan)(guan)及鉆(zhan)柱構件，套(tao)管(guan)(guan)(guan)(guan)可(ke)靠(kao)性(xing)(xing)要求極為嚴格。根據(ju)楊(yang)秀琴《中(zhong) 國油(you)(you)(you)(you)井管(guan)(guan)(guan)(guan)的供求現狀與發展》、李睿(rui)鑫《高鋼(gang)級石油(you)(you)(you)(you)套(tao)管(guan)(guan)(guan)(guan)用(yong)(yong)鋼(gang)連續冷卻轉變行為的 研究》，套(tao)管(guan)(guan)(guan)(guan)（Casting）是(shi)作為油(you)(you)(you)(you)、氣井井壁的鋼(gang)管(guan)(guan)(guan)(guan)。為了縮短套(tao)管(guan)(guan)(guan)(guan)的下(xia)井時間， 套(tao)管(guan)(guan)(guan)(guan)都采用(yong)(yong)螺(luo)紋連接。套(tao)管(guan)(guan)(guan)(guan)是(shi)一(yi)次(ci)性(xing)(xing)使(shi)用(yong)(yong)的材料，若出現問題將導致整(zheng)口油(you)(you)(you)(you)井報廢(fei)， 因此可(ke)靠(kao)性(xing)(xing)要求極為嚴格。油(you)(you)(you)(you)管(guan)(guan)(guan)(guan)（Tubing）用(yong)(yong)于(yu)抽油(you)(you)(you)(you)管(guan)(guan)(guan)(guan)道，當油(you)(you)(you)(you)、氣井打好并固井 之后，在油(you)(you)(you)(you)層(ceng)套(tao)管(guan)(guan)(guan)(guan)中(zhong)設置油(you)(you)(you)(you)管(guan)(guan)(guan)(guan)，一(yi)般可(ke)重(zhong)復(fu)使(shi)用(yong)(yong)3次(ci)。鉆(zhan)桿（Rodstring）、鉆(zhan)鋌、方(fang) 鉆(zhan)桿、加重(zhong)鉆(zhan)桿均為鉆(zhan)具(ju),用(yong)(yong)于(yu)鉆(zhan)井,可(ke)重(zhong)復(fu)使(shi)用(yong)(yong)。一(yi)般情況下(xia)，每鉆(zhan)進1m，約需油(you)(you)(you)(you)井 管(guan)(guan)(guan)(guan)62kg，其(qi)中(zhong)套(tao)管(guan)(guan)(guan)(guan)48kg、油(you)(you)(you)(you)管(guan)(guan)(guan)(guan)10kg。

  油井(jing)管(guan)(guan)(guan)主要分為(wei)(wei)套(tao)(tao)管(guan)(guan)(guan)、油管(guan)(guan)(guan)及(ji)鉆(zhan)(zhan)柱構件，套(tao)(tao)管(guan)(guan)(guan)可(ke)靠性要求極為(wei)(wei)嚴格。根(gen)據楊秀琴《中(zhong) 國油井(jing)管(guan)(guan)(guan)的(de)供(gong)求現(xian)狀(zhuang)與發展》、李睿(rui)鑫(xin)《高鋼級石油套(tao)(tao)管(guan)(guan)(guan)用鋼連續冷卻轉變行為(wei)(wei)的(de) 研究》，套(tao)(tao)管(guan)(guan)(guan)（Casting）是作(zuo)為(wei)(wei)油、氣(qi)井(jing)井(jing)壁的(de)鋼管(guan)(guan)(guan)。為(wei)(wei)了縮(suo)短(duan)套(tao)(tao)管(guan)(guan)(guan)的(de)下井(jing)時間， 套(tao)(tao)管(guan)(guan)(guan)都采用螺(luo)紋連接(jie)。套(tao)(tao)管(guan)(guan)(guan)是一(yi)次性使(shi)(shi)用的(de)材料，若出(chu)現(xian)問(wen)題將導(dao)致整口油井(jing)報(bao)廢， 因(yin)此可(ke)靠性要求極為(wei)(wei)嚴格。油管(guan)(guan)(guan)（Tubing）用于(yu)抽(chou)油管(guan)(guan)(guan)道，當油、氣(qi)井(jing)打(da)好(hao)并固井(jing) 之后，在(zai)油層套(tao)(tao)管(guan)(guan)(guan)中(zhong)設置油管(guan)(guan)(guan)，一(yi)般(ban)可(ke)重復使(shi)(shi)用3次。鉆(zhan)(zhan)桿（Rodstring）、鉆(zhan)(zhan)鋌、方 鉆(zhan)(zhan)桿、加重鉆(zhan)(zhan)桿均為(wei)(wei)鉆(zhan)(zhan)具,用于(yu)鉆(zhan)(zhan)井(jing),可(ke)重復使(shi)(shi)用。一(yi)般(ban)情(qing)況下，每(mei)鉆(zhan)(zhan)進1m，約需油井(jing) 管(guan)(guan)(guan)62kg，其中(zhong)套(tao)(tao)管(guan)(guan)(guan)48kg、油管(guan)(guan)(guan)10kg。