油(you)(you)井管（OCTG）是獲得油(you)(you)氣(qi)(qi)資(zi)(zi)源(yuan)的(de)主要(yao)通(tong)道(dao)(dao)，是保障(zhang)油(you)(you)氣(qi)(qi)井安全，支撐能源(yuan)戰略的(de) “生(sheng)命線”。根(gen)據徐婷《中國(guo)油(you)(you)井管技術助(zhu)力(li)國(guo)際(ji)標準化新發展》、李睿鑫《高鋼級(ji)石 油(you)(you)套(tao)管用(yong)鋼連續冷卻轉變行(xing)為的(de)研究》，油(you)(you)井管按用(yong)途主要(yao)分為套(tao)管（Casing）、 油(you)(you)管（Tubing）及鉆(zhan)(zhan)(zhan)(zhan)柱(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、加重鉆(zhan)(zhan)(zhan)(zhan)桿等(deng)）。通(tong) 過螺紋連接形成的(de)鉆(zhan)(zhan)(zhan)(zhan)柱(zhu)和油(you)(you)/套(tao)管柱(zhu)是獲得油(you)(you)氣(qi)(qi)資(zi)(zi)源(yuan)的(de)主要(yao)通(tong)道(dao)(dao)，是保障(zhang)油(you)(you)氣(qi)(qi)井安全， 支撐能源(yuan)戰略的(de)“生(sheng)命線”。

  油(you)(you)(you)(you)井(jing)(jing)(jing)管(guan)(guan)主(zhu)要分(fen)為套(tao)(tao)(tao)(tao)(tao)管(guan)(guan)、油(you)(you)(you)(you)管(guan)(guan)及鉆(zhan)(zhan)柱構件，套(tao)(tao)(tao)(tao)(tao)管(guan)(guan)可(ke)靠性(xing)(xing)(xing)要求(qiu)極(ji)為嚴(yan)(yan)格(ge)。根據楊秀琴《中 國油(you)(you)(you)(you)井(jing)(jing)(jing)管(guan)(guan)的(de)供求(qiu)現狀(zhuang)與(yu)發展》、李(li)睿鑫《高鋼(gang)級石油(you)(you)(you)(you)套(tao)(tao)(tao)(tao)(tao)管(guan)(guan)用(yong)(yong)鋼(gang)連續冷卻轉變行(xing)為的(de) 研究》，套(tao)(tao)(tao)(tao)(tao)管(guan)(guan)（Casting）是作為油(you)(you)(you)(you)、氣井(jing)(jing)(jing)井(jing)(jing)(jing)壁的(de)鋼(gang)管(guan)(guan)。為了縮短套(tao)(tao)(tao)(tao)(tao)管(guan)(guan)的(de)下井(jing)(jing)(jing)時間， 套(tao)(tao)(tao)(tao)(tao)管(guan)(guan)都(dou)采用(yong)(yong)螺(luo)紋連接。套(tao)(tao)(tao)(tao)(tao)管(guan)(guan)是一次性(xing)(xing)(xing)使(shi)用(yong)(yong)的(de)材料，若出現問題將導致整口(kou)油(you)(you)(you)(you)井(jing)(jing)(jing)報廢(fei)， 因此(ci)可(ke)靠性(xing)(xing)(xing)要求(qiu)極(ji)為嚴(yan)(yan)格(ge)。油(you)(you)(you)(you)管(guan)(guan)（Tubing）用(yong)(yong)于(yu)抽(chou)油(you)(you)(you)(you)管(guan)(guan)道(dao)，當(dang)油(you)(you)(you)(you)、氣井(jing)(jing)(jing)打好(hao)并(bing)固井(jing)(jing)(jing) 之(zhi)后，在油(you)(you)(you)(you)層套(tao)(tao)(tao)(tao)(tao)管(guan)(guan)中設置油(you)(you)(you)(you)管(guan)(guan)，一般(ban)可(ke)重復(fu)使(shi)用(yong)(yong)3次。鉆(zhan)(zhan)桿（Rodstring）、鉆(zhan)(zhan)鋌、方 鉆(zhan)(zhan)桿、加重鉆(zhan)(zhan)桿均為鉆(zhan)(zhan)具(ju),用(yong)(yong)于(yu)鉆(zhan)(zhan)井(jing)(jing)(jing),可(ke)重復(fu)使(shi)用(yong)(yong)。一般(ban)情況下，每鉆(zhan)(zhan)進1m，約需油(you)(you)(you)(you)井(jing)(jing)(jing) 管(guan)(guan)62kg，其中套(tao)(tao)(tao)(tao)(tao)管(guan)(guan)48kg、油(you)(you)(you)(you)管(guan)(guan)10kg。

  油(you)(you)(you)井(jing)(jing)(jing)(jing)管(guan)(guan)(guan)(guan)(guan)主要分為套(tao)管(guan)(guan)(guan)(guan)(guan)、油(you)(you)(you)管(guan)(guan)(guan)(guan)(guan)及鉆(zhan)(zhan)(zhan)(zhan)柱構(gou)件，套(tao)管(guan)(guan)(guan)(guan)(guan)可靠性要求(qiu)極(ji)(ji)為嚴格(ge)。根據楊秀琴《中(zhong) 國油(you)(you)(you)井(jing)(jing)(jing)(jing)管(guan)(guan)(guan)(guan)(guan)的供求(qiu)現(xian)狀與(yu)發展》、李睿鑫《高鋼級石油(you)(you)(you)套(tao)管(guan)(guan)(guan)(guan)(guan)用鋼連續(xu)冷卻轉變行為的 研究》，套(tao)管(guan)(guan)(guan)(guan)(guan)（Casting）是(shi)作(zuo)為油(you)(you)(you)、氣井(jing)(jing)(jing)(jing)井(jing)(jing)(jing)(jing)壁的鋼管(guan)(guan)(guan)(guan)(guan)。為了(le)縮短套(tao)管(guan)(guan)(guan)(guan)(guan)的下井(jing)(jing)(jing)(jing)時間， 套(tao)管(guan)(guan)(guan)(guan)(guan)都采(cai)用螺紋(wen)連接(jie)。套(tao)管(guan)(guan)(guan)(guan)(guan)是(shi)一次性使(shi)用的材料，若出現(xian)問題將(jiang)導致整(zheng)口油(you)(you)(you)井(jing)(jing)(jing)(jing)報(bao)廢， 因此(ci)可靠性要求(qiu)極(ji)(ji)為嚴格(ge)。油(you)(you)(you)管(guan)(guan)(guan)(guan)(guan)（Tubing）用于抽油(you)(you)(you)管(guan)(guan)(guan)(guan)(guan)道，當油(you)(you)(you)、氣井(jing)(jing)(jing)(jing)打好并固井(jing)(jing)(jing)(jing) 之后，在油(you)(you)(you)層套(tao)管(guan)(guan)(guan)(guan)(guan)中(zhong)設置油(you)(you)(you)管(guan)(guan)(guan)(guan)(guan)，一般可重(zhong)復使(shi)用3次。鉆(zhan)(zhan)(zhan)(zhan)桿（Rodstring）、鉆(zhan)(zhan)(zhan)(zhan)鋌、方 鉆(zhan)(zhan)(zhan)(zhan)桿、加重(zhong)鉆(zhan)(zhan)(zhan)(zhan)桿均為鉆(zhan)(zhan)(zhan)(zhan)具,用于鉆(zhan)(zhan)(zhan)(zhan)井(jing)(jing)(jing)(jing),可重(zhong)復使(shi)用。一般情況下，每鉆(zhan)(zhan)(zhan)(zhan)進1m，約需油(you)(you)(you)井(jing)(jing)(jing)(jing) 管(guan)(guan)(guan)(guan)(guan)62kg，其中(zhong)套(tao)管(guan)(guan)(guan)(guan)(guan)48kg、油(you)(you)(you)管(guan)(guan)(guan)(guan)(guan)10kg。