油(you)(you)(you)(you)(you)(you)井(jing)管（OCTG）是(shi)獲(huo)得(de)油(you)(you)(you)(you)(you)(you)氣(qi)資源(yuan)(yuan)的(de)主(zhu)要(yao)(yao)通(tong)道(dao)，是(shi)保障油(you)(you)(you)(you)(you)(you)氣(qi)井(jing)安全，支(zhi)撐能源(yuan)(yuan)戰(zhan)略的(de) “生(sheng)命線”。根據徐婷《中國油(you)(you)(you)(you)(you)(you)井(jing)管技(ji)術助力國際(ji)標(biao)準化新發展》、李睿鑫《高鋼級石 油(you)(you)(you)(you)(you)(you)套管用(yong)鋼連續冷卻轉變行為的(de)研究(jiu)》，油(you)(you)(you)(you)(you)(you)井(jing)管按用(yong)途主(zhu)要(yao)(yao)分為套管（Casing）、 油(you)(you)(you)(you)(you)(you)管（Tubing）及(ji)鉆(zhan)(zhan)柱構件（Rod string，鉆(zhan)(zhan)桿、鉆(zhan)(zhan)鋌(ting)、方鉆(zhan)(zhan)桿、加重鉆(zhan)(zhan)桿等）。通(tong) 過(guo)螺紋(wen)連接形成(cheng)的(de)鉆(zhan)(zhan)柱和油(you)(you)(you)(you)(you)(you)/套管柱是(shi)獲(huo)得(de)油(you)(you)(you)(you)(you)(you)氣(qi)資源(yuan)(yuan)的(de)主(zhu)要(yao)(yao)通(tong)道(dao)，是(shi)保障油(you)(you)(you)(you)(you)(you)氣(qi)井(jing)安全， 支(zhi)撐能源(yuan)(yuan)戰(zhan)略的(de)“生(sheng)命線”。

  油(you)(you)(you)(you)井管(guan)(guan)(guan)(guan)(guan)主要(yao)分為套(tao)管(guan)(guan)(guan)(guan)(guan)、油(you)(you)(you)(you)管(guan)(guan)(guan)(guan)(guan)及鉆(zhan)柱(zhu)構件，套(tao)管(guan)(guan)(guan)(guan)(guan)可靠性(xing)要(yao)求極為嚴格。根據楊秀琴《中(zhong) 國油(you)(you)(you)(you)井管(guan)(guan)(guan)(guan)(guan)的供求現(xian)狀與發(fa)展》、李睿鑫《高鋼級石油(you)(you)(you)(you)套(tao)管(guan)(guan)(guan)(guan)(guan)用鋼連(lian)續冷卻轉變行(xing)為的 研(yan)究(jiu)》，套(tao)管(guan)(guan)(guan)(guan)(guan)（Casting）是作為油(you)(you)(you)(you)、氣井井壁的鋼管(guan)(guan)(guan)(guan)(guan)。為了縮(suo)短套(tao)管(guan)(guan)(guan)(guan)(guan)的下井時間(jian)， 套(tao)管(guan)(guan)(guan)(guan)(guan)都采用螺紋連(lian)接。套(tao)管(guan)(guan)(guan)(guan)(guan)是一次(ci)性(xing)使用的材料，若出現(xian)問題將導致(zhi)整口油(you)(you)(you)(you)井報廢， 因(yin)此可靠性(xing)要(yao)求極為嚴格。油(you)(you)(you)(you)管(guan)(guan)(guan)(guan)(guan)（Tubing）用于抽油(you)(you)(you)(you)管(guan)(guan)(guan)(guan)(guan)道，當油(you)(you)(you)(you)、氣井打好并固井 之(zhi)后(hou)，在油(you)(you)(you)(you)層套(tao)管(guan)(guan)(guan)(guan)(guan)中(zhong)設置油(you)(you)(you)(you)管(guan)(guan)(guan)(guan)(guan)，一般(ban)可重復使用3次(ci)。鉆(zhan)桿(gan)（Rodstring）、鉆(zhan)鋌、方 鉆(zhan)桿(gan)、加重鉆(zhan)桿(gan)均為鉆(zhan)具,用于鉆(zhan)井,可重復使用。一般(ban)情況下，每鉆(zhan)進1m，約需油(you)(you)(you)(you)井 管(guan)(guan)(guan)(guan)(guan)62kg，其中(zhong)套(tao)管(guan)(guan)(guan)(guan)(guan)48kg、油(you)(you)(you)(you)管(guan)(guan)(guan)(guan)(guan)10kg。

  油(you)井(jing)(jing)(jing)管(guan)(guan)(guan)(guan)主要(yao)分為(wei)套(tao)(tao)管(guan)(guan)(guan)(guan)、油(you)管(guan)(guan)(guan)(guan)及(ji)鉆(zhan)柱構件，套(tao)(tao)管(guan)(guan)(guan)(guan)可(ke)靠性(xing)要(yao)求極為(wei)嚴格。根(gen)據楊(yang)秀(xiu)琴《中(zhong)(zhong)(zhong) 國油(you)井(jing)(jing)(jing)管(guan)(guan)(guan)(guan)的(de)(de)(de)供求現狀與發(fa)展》、李睿鑫《高鋼(gang)級(ji)石油(you)套(tao)(tao)管(guan)(guan)(guan)(guan)用(yong)(yong)鋼(gang)連續冷卻轉變行為(wei)的(de)(de)(de) 研究》，套(tao)(tao)管(guan)(guan)(guan)(guan)（Casting）是作(zuo)為(wei)油(you)、氣井(jing)(jing)(jing)井(jing)(jing)(jing)壁的(de)(de)(de)鋼(gang)管(guan)(guan)(guan)(guan)。為(wei)了縮短套(tao)(tao)管(guan)(guan)(guan)(guan)的(de)(de)(de)下(xia)井(jing)(jing)(jing)時間， 套(tao)(tao)管(guan)(guan)(guan)(guan)都(dou)采用(yong)(yong)螺紋連接。套(tao)(tao)管(guan)(guan)(guan)(guan)是一次(ci)性(xing)使用(yong)(yong)的(de)(de)(de)材料，若出現問題將導致(zhi)整口油(you)井(jing)(jing)(jing)報廢， 因此可(ke)靠性(xing)要(yao)求極為(wei)嚴格。油(you)管(guan)(guan)(guan)(guan)（Tubing）用(yong)(yong)于(yu)抽油(you)管(guan)(guan)(guan)(guan)道，當油(you)、氣井(jing)(jing)(jing)打好并固井(jing)(jing)(jing) 之后，在油(you)層套(tao)(tao)管(guan)(guan)(guan)(guan)中(zhong)(zhong)(zhong)設置油(you)管(guan)(guan)(guan)(guan)，一般(ban)可(ke)重(zhong)復使用(yong)(yong)3次(ci)。鉆(zhan)桿（Rodstring）、鉆(zhan)鋌、方 鉆(zhan)桿、加(jia)重(zhong)鉆(zhan)桿均為(wei)鉆(zhan)具,用(yong)(yong)于(yu)鉆(zhan)井(jing)(jing)(jing),可(ke)重(zhong)復使用(yong)(yong)。一般(ban)情況下(xia)，每鉆(zhan)進1m，約需油(you)井(jing)(jing)(jing) 管(guan)(guan)(guan)(guan)62kg，其中(zhong)(zhong)(zhong)套(tao)(tao)管(guan)(guan)(guan)(guan)48kg、油(you)管(guan)(guan)(guan)(guan)10kg。