油(you)井管(guan)(guan)（OCTG）是獲(huo)得油(you)氣(qi)資(zi)源的(de)(de)主(zhu)要通(tong)道，是保(bao)障(zhang)(zhang)油(you)氣(qi)井安(an)全，支(zhi)(zhi)撐能源戰略(lve)的(de)(de) “生(sheng)命線”。根據徐婷《中國油(you)井管(guan)(guan)技術助力國際標準化新發展》、李(li)睿鑫(xin)《高鋼級石 油(you)套(tao)管(guan)(guan)用(yong)(yong)鋼連(lian)續冷卻轉變行為(wei)的(de)(de)研究(jiu)》，油(you)井管(guan)(guan)按用(yong)(yong)途主(zhu)要分為(wei)套(tao)管(guan)(guan)（Casing）、 油(you)管(guan)(guan)（Tubing）及鉆(zhan)(zhan)(zhan)(zhan)柱(zhu)(zhu)構件（Rod string，鉆(zhan)(zhan)(zhan)(zhan)桿、鉆(zhan)(zhan)(zhan)(zhan)鋌、方(fang)鉆(zhan)(zhan)(zhan)(zhan)桿、加(jia)重鉆(zhan)(zhan)(zhan)(zhan)桿等(deng)）。通(tong) 過螺(luo)紋連(lian)接形(xing)成的(de)(de)鉆(zhan)(zhan)(zhan)(zhan)柱(zhu)(zhu)和油(you)/套(tao)管(guan)(guan)柱(zhu)(zhu)是獲(huo)得油(you)氣(qi)資(zi)源的(de)(de)主(zhu)要通(tong)道，是保(bao)障(zhang)(zhang)油(you)氣(qi)井安(an)全， 支(zhi)(zhi)撐能源戰略(lve)的(de)(de)“生(sheng)命線”。

  油(you)(you)井(jing)(jing)管(guan)(guan)(guan)(guan)主要(yao)分為(wei)套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)、油(you)(you)管(guan)(guan)(guan)(guan)及(ji)鉆柱構件，套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)可靠性(xing)要(yao)求極為(wei)嚴格。根(gen)據楊秀(xiu)琴(qin)《中(zhong) 國油(you)(you)井(jing)(jing)管(guan)(guan)(guan)(guan)的供(gong)求現狀與發展》、李(li)睿鑫《高鋼(gang)級石油(you)(you)套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)用(yong)(yong)鋼(gang)連續冷(leng)卻轉變行為(wei)的 研究(jiu)》，套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)（Casting）是作為(wei)油(you)(you)、氣井(jing)(jing)井(jing)(jing)壁的鋼(gang)管(guan)(guan)(guan)(guan)。為(wei)了縮短套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)的下井(jing)(jing)時間(jian)， 套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)都(dou)采用(yong)(yong)螺(luo)紋連接。套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)是一次性(xing)使(shi)用(yong)(yong)的材料，若出(chu)現問題將導致(zhi)整口(kou)油(you)(you)井(jing)(jing)報廢， 因此可靠性(xing)要(yao)求極為(wei)嚴格。油(you)(you)管(guan)(guan)(guan)(guan)（Tubing）用(yong)(yong)于抽(chou)油(you)(you)管(guan)(guan)(guan)(guan)道，當油(you)(you)、氣井(jing)(jing)打(da)好并固井(jing)(jing) 之后(hou)，在(zai)油(you)(you)層套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)中(zhong)設(she)置油(you)(you)管(guan)(guan)(guan)(guan)，一般可重(zhong)復使(shi)用(yong)(yong)3次。鉆桿(gan)（Rodstring）、鉆鋌(ting)、方 鉆桿(gan)、加(jia)重(zhong)鉆桿(gan)均(jun)為(wei)鉆具,用(yong)(yong)于鉆井(jing)(jing),可重(zhong)復使(shi)用(yong)(yong)。一般情況(kuang)下，每鉆進1m，約需油(you)(you)井(jing)(jing) 管(guan)(guan)(guan)(guan)62kg，其中(zhong)套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)48kg、油(you)(you)管(guan)(guan)(guan)(guan)10kg。

  油井管(guan)(guan)(guan)(guan)(guan)主要分為(wei)(wei)套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)(guan)、油管(guan)(guan)(guan)(guan)(guan)及鉆(zhan)柱構件，套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)(guan)可(ke)靠性(xing)要求極為(wei)(wei)嚴格(ge)。根據楊秀琴(qin)《中 國(guo)油井管(guan)(guan)(guan)(guan)(guan)的供求現(xian)狀與(yu)發(fa)展》、李睿(rui)鑫《高鋼(gang)級石油套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)(guan)用(yong)(yong)鋼(gang)連(lian)續冷卻轉變行為(wei)(wei)的 研究》，套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)(guan)（Casting）是作為(wei)(wei)油、氣井井壁的鋼(gang)管(guan)(guan)(guan)(guan)(guan)。為(wei)(wei)了縮短套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)(guan)的下井時(shi)間， 套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)(guan)都采用(yong)(yong)螺紋(wen)連(lian)接(jie)。套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)(guan)是一次性(xing)使(shi)(shi)用(yong)(yong)的材料(liao)，若出現(xian)問(wen)題將導致(zhi)整口油井報廢， 因(yin)此可(ke)靠性(xing)要求極為(wei)(wei)嚴格(ge)。油管(guan)(guan)(guan)(guan)(guan)（Tubing）用(yong)(yong)于(yu)抽油管(guan)(guan)(guan)(guan)(guan)道，當(dang)油、氣井打好并固井 之后，在油層套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)(guan)中設(she)置(zhi)油管(guan)(guan)(guan)(guan)(guan)，一般(ban)可(ke)重(zhong)復使(shi)(shi)用(yong)(yong)3次。鉆(zhan)桿(gan)（Rodstring）、鉆(zhan)鋌、方 鉆(zhan)桿(gan)、加重(zhong)鉆(zhan)桿(gan)均(jun)為(wei)(wei)鉆(zhan)具(ju),用(yong)(yong)于(yu)鉆(zhan)井,可(ke)重(zhong)復使(shi)(shi)用(yong)(yong)。一般(ban)情況下，每鉆(zhan)進1m，約需油井 管(guan)(guan)(guan)(guan)(guan)62kg，其(qi)中套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)(guan)48kg、油管(guan)(guan)(guan)(guan)(guan)10kg。