油(you)(you)(you)井(jing)(jing)(jing)管(guan)(guan)(guan)（OCTG）是(shi)(shi)獲得油(you)(you)(you)氣(qi)(qi)資源的(de)主要(yao)通(tong)(tong)道，是(shi)(shi)保(bao)障油(you)(you)(you)氣(qi)(qi)井(jing)(jing)(jing)安(an)全，支撐(cheng)(cheng)能(neng)源戰略(lve)的(de) “生命線(xian)”。根(gen)據徐婷《中國(guo)油(you)(you)(you)井(jing)(jing)(jing)管(guan)(guan)(guan)技術助力(li)國(guo)際標準化新發展》、李睿鑫《高鋼級石 油(you)(you)(you)套管(guan)(guan)(guan)用鋼連(lian)(lian)續冷卻轉變(bian)行為的(de)研(yan)究(jiu)》，油(you)(you)(you)井(jing)(jing)(jing)管(guan)(guan)(guan)按(an)用途主要(yao)分(fen)為套管(guan)(guan)(guan)（Casing）、 油(you)(you)(you)管(guan)(guan)(guan)（Tubing）及鉆柱(zhu)構件（Rod string，鉆桿、鉆鋌(ting)、方鉆桿、加重鉆桿等）。通(tong)(tong) 過螺紋連(lian)(lian)接形成的(de)鉆柱(zhu)和油(you)(you)(you)/套管(guan)(guan)(guan)柱(zhu)是(shi)(shi)獲得油(you)(you)(you)氣(qi)(qi)資源的(de)主要(yao)通(tong)(tong)道，是(shi)(shi)保(bao)障油(you)(you)(you)氣(qi)(qi)井(jing)(jing)(jing)安(an)全， 支撐(cheng)(cheng)能(neng)源戰略(lve)的(de)“生命線(xian)”。

  油井(jing)(jing)管(guan)(guan)主要(yao)分為(wei)(wei)(wei)套(tao)(tao)管(guan)(guan)、油管(guan)(guan)及鉆(zhan)(zhan)(zhan)柱(zhu)構件，套(tao)(tao)管(guan)(guan)可(ke)靠性(xing)要(yao)求極為(wei)(wei)(wei)嚴(yan)格。根據(ju)楊(yang)秀琴《中 國油井(jing)(jing)管(guan)(guan)的供求現狀與發展》、李睿鑫(xin)《高鋼級石(shi)油套(tao)(tao)管(guan)(guan)用(yong)(yong)鋼連續(xu)冷(leng)卻轉(zhuan)變行為(wei)(wei)(wei)的 研(yan)究》，套(tao)(tao)管(guan)(guan)（Casting）是(shi)作為(wei)(wei)(wei)油、氣(qi)井(jing)(jing)井(jing)(jing)壁的鋼管(guan)(guan)。為(wei)(wei)(wei)了縮短套(tao)(tao)管(guan)(guan)的下井(jing)(jing)時(shi)間， 套(tao)(tao)管(guan)(guan)都采用(yong)(yong)螺紋連接。套(tao)(tao)管(guan)(guan)是(shi)一(yi)(yi)次(ci)性(xing)使用(yong)(yong)的材料，若出現問(wen)題將(jiang)導(dao)致整(zheng)口油井(jing)(jing)報廢， 因此可(ke)靠性(xing)要(yao)求極為(wei)(wei)(wei)嚴(yan)格。油管(guan)(guan)（Tubing）用(yong)(yong)于(yu)(yu)抽(chou)油管(guan)(guan)道，當油、氣(qi)井(jing)(jing)打好(hao)并固井(jing)(jing) 之后，在油層套(tao)(tao)管(guan)(guan)中設置(zhi)油管(guan)(guan)，一(yi)(yi)般可(ke)重復(fu)使用(yong)(yong)3次(ci)。鉆(zhan)(zhan)(zhan)桿(gan)（Rodstring）、鉆(zhan)(zhan)(zhan)鋌(ting)、方 鉆(zhan)(zhan)(zhan)桿(gan)、加(jia)重鉆(zhan)(zhan)(zhan)桿(gan)均為(wei)(wei)(wei)鉆(zhan)(zhan)(zhan)具,用(yong)(yong)于(yu)(yu)鉆(zhan)(zhan)(zhan)井(jing)(jing),可(ke)重復(fu)使用(yong)(yong)。一(yi)(yi)般情況下，每鉆(zhan)(zhan)(zhan)進1m，約需(xu)油井(jing)(jing) 管(guan)(guan)62kg，其中套(tao)(tao)管(guan)(guan)48kg、油管(guan)(guan)10kg。

  油(you)(you)(you)(you)井(jing)管(guan)(guan)(guan)(guan)(guan)主要(yao)分為(wei)套(tao)管(guan)(guan)(guan)(guan)(guan)、油(you)(you)(you)(you)管(guan)(guan)(guan)(guan)(guan)及鉆(zhan)(zhan)柱構件，套(tao)管(guan)(guan)(guan)(guan)(guan)可靠性(xing)要(yao)求極(ji)為(wei)嚴格(ge)。根(gen)據楊秀琴《中 國油(you)(you)(you)(you)井(jing)管(guan)(guan)(guan)(guan)(guan)的(de)(de)供求現(xian)(xian)狀與(yu)發展》、李睿鑫《高鋼級石油(you)(you)(you)(you)套(tao)管(guan)(guan)(guan)(guan)(guan)用(yong)(yong)(yong)鋼連續冷卻轉變行為(wei)的(de)(de) 研究》，套(tao)管(guan)(guan)(guan)(guan)(guan)（Casting）是作為(wei)油(you)(you)(you)(you)、氣(qi)井(jing)井(jing)壁的(de)(de)鋼管(guan)(guan)(guan)(guan)(guan)。為(wei)了縮(suo)短套(tao)管(guan)(guan)(guan)(guan)(guan)的(de)(de)下井(jing)時間， 套(tao)管(guan)(guan)(guan)(guan)(guan)都采用(yong)(yong)(yong)螺紋(wen)連接(jie)。套(tao)管(guan)(guan)(guan)(guan)(guan)是一(yi)次(ci)性(xing)使用(yong)(yong)(yong)的(de)(de)材料，若(ruo)出現(xian)(xian)問(wen)題將導致整(zheng)口油(you)(you)(you)(you)井(jing)報廢， 因此可靠性(xing)要(yao)求極(ji)為(wei)嚴格(ge)。油(you)(you)(you)(you)管(guan)(guan)(guan)(guan)(guan)（Tubing）用(yong)(yong)(yong)于(yu)抽油(you)(you)(you)(you)管(guan)(guan)(guan)(guan)(guan)道，當油(you)(you)(you)(you)、氣(qi)井(jing)打好(hao)并(bing)固井(jing) 之后，在油(you)(you)(you)(you)層套(tao)管(guan)(guan)(guan)(guan)(guan)中設置油(you)(you)(you)(you)管(guan)(guan)(guan)(guan)(guan)，一(yi)般(ban)可重(zhong)復使用(yong)(yong)(yong)3次(ci)。鉆(zhan)(zhan)桿（Rodstring）、鉆(zhan)(zhan)鋌(ting)、方 鉆(zhan)(zhan)桿、加重(zhong)鉆(zhan)(zhan)桿均為(wei)鉆(zhan)(zhan)具,用(yong)(yong)(yong)于(yu)鉆(zhan)(zhan)井(jing),可重(zhong)復使用(yong)(yong)(yong)。一(yi)般(ban)情(qing)況下，每鉆(zhan)(zhan)進1m，約需油(you)(you)(you)(you)井(jing) 管(guan)(guan)(guan)(guan)(guan)62kg，其中套(tao)管(guan)(guan)(guan)(guan)(guan)48kg、油(you)(you)(you)(you)管(guan)(guan)(guan)(guan)(guan)10kg。