油(you)井管(guan)(guan)（OCTG）是(shi)獲得(de)油(you)氣資源(yuan)的(de)主要(yao)通道，是(shi)保障(zhang)油(you)氣井安全，支撐(cheng)能源(yuan)戰略的(de) “生命線(xian)”。根據徐婷《中(zhong)國油(you)井管(guan)(guan)技(ji)術助力國際標準化新(xin)發展》、李睿鑫(xin)《高鋼級(ji)石(shi) 油(you)套管(guan)(guan)用(yong)(yong)鋼連(lian)(lian)續冷卻(que)轉(zhuan)變行(xing)為的(de)研究》，油(you)井管(guan)(guan)按用(yong)(yong)途(tu)主要(yao)分為套管(guan)(guan)（Casing）、 油(you)管(guan)(guan)（Tubing）及鉆(zhan)柱構件（Rod string，鉆(zhan)桿、鉆(zhan)鋌(ting)、方鉆(zhan)桿、加重鉆(zhan)桿等(deng)）。通 過(guo)螺紋連(lian)(lian)接(jie)形成的(de)鉆(zhan)柱和油(you)/套管(guan)(guan)柱是(shi)獲得(de)油(you)氣資源(yuan)的(de)主要(yao)通道，是(shi)保障(zhang)油(you)氣井安全， 支撐(cheng)能源(yuan)戰略的(de)“生命線(xian)”。

  油(you)(you)(you)井(jing)(jing)管(guan)(guan)(guan)(guan)(guan)主(zhu)要(yao)分為(wei)(wei)(wei)(wei)套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)(guan)、油(you)(you)(you)管(guan)(guan)(guan)(guan)(guan)及鉆柱構(gou)件，套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)(guan)可(ke)靠性(xing)要(yao)求極(ji)為(wei)(wei)(wei)(wei)嚴格。根據(ju)楊秀琴《中 國油(you)(you)(you)井(jing)(jing)管(guan)(guan)(guan)(guan)(guan)的(de)供求現狀(zhuang)與(yu)發展》、李睿(rui)鑫《高鋼級(ji)石油(you)(you)(you)套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)(guan)用(yong)(yong)(yong)鋼連續冷卻轉變行為(wei)(wei)(wei)(wei)的(de) 研(yan)究》，套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)(guan)（Casting）是(shi)作為(wei)(wei)(wei)(wei)油(you)(you)(you)、氣井(jing)(jing)井(jing)(jing)壁的(de)鋼管(guan)(guan)(guan)(guan)(guan)。為(wei)(wei)(wei)(wei)了縮短套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)(guan)的(de)下井(jing)(jing)時間， 套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)(guan)都采(cai)用(yong)(yong)(yong)螺紋連接。套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)(guan)是(shi)一(yi)次性(xing)使用(yong)(yong)(yong)的(de)材料(liao)，若(ruo)出(chu)現問題將導致(zhi)整口油(you)(you)(you)井(jing)(jing)報廢， 因此可(ke)靠性(xing)要(yao)求極(ji)為(wei)(wei)(wei)(wei)嚴格。油(you)(you)(you)管(guan)(guan)(guan)(guan)(guan)（Tubing）用(yong)(yong)(yong)于(yu)抽油(you)(you)(you)管(guan)(guan)(guan)(guan)(guan)道，當油(you)(you)(you)、氣井(jing)(jing)打好(hao)并固井(jing)(jing) 之(zhi)后(hou)，在油(you)(you)(you)層(ceng)套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)(guan)中設(she)置(zhi)油(you)(you)(you)管(guan)(guan)(guan)(guan)(guan)，一(yi)般可(ke)重(zhong)復(fu)使用(yong)(yong)(yong)3次。鉆桿（Rodstring）、鉆鋌、方 鉆桿、加重(zhong)鉆桿均(jun)為(wei)(wei)(wei)(wei)鉆具,用(yong)(yong)(yong)于(yu)鉆井(jing)(jing),可(ke)重(zhong)復(fu)使用(yong)(yong)(yong)。一(yi)般情況下，每(mei)鉆進1m，約需油(you)(you)(you)井(jing)(jing) 管(guan)(guan)(guan)(guan)(guan)62kg，其中套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)(guan)48kg、油(you)(you)(you)管(guan)(guan)(guan)(guan)(guan)10kg。

  油(you)(you)井(jing)(jing)(jing)管(guan)(guan)(guan)主要分為(wei)套(tao)管(guan)(guan)(guan)、油(you)(you)管(guan)(guan)(guan)及鉆(zhan)(zhan)(zhan)(zhan)柱構件，套(tao)管(guan)(guan)(guan)可(ke)(ke)靠(kao)性(xing)要求(qiu)(qiu)極為(wei)嚴格。根據楊秀琴《中(zhong) 國油(you)(you)井(jing)(jing)(jing)管(guan)(guan)(guan)的(de)(de)供求(qiu)(qiu)現狀與發展》、李睿鑫《高鋼級(ji)石油(you)(you)套(tao)管(guan)(guan)(guan)用(yong)(yong)鋼連(lian)續(xu)冷卻轉(zhuan)變行為(wei)的(de)(de) 研究》，套(tao)管(guan)(guan)(guan)（Casting）是作為(wei)油(you)(you)、氣井(jing)(jing)(jing)井(jing)(jing)(jing)壁的(de)(de)鋼管(guan)(guan)(guan)。為(wei)了(le)縮短套(tao)管(guan)(guan)(guan)的(de)(de)下井(jing)(jing)(jing)時間， 套(tao)管(guan)(guan)(guan)都采用(yong)(yong)螺(luo)紋連(lian)接。套(tao)管(guan)(guan)(guan)是一(yi)(yi)次性(xing)使(shi)(shi)用(yong)(yong)的(de)(de)材料(liao)，若出現問(wen)題將導致整口油(you)(you)井(jing)(jing)(jing)報廢， 因此可(ke)(ke)靠(kao)性(xing)要求(qiu)(qiu)極為(wei)嚴格。油(you)(you)管(guan)(guan)(guan)（Tubing）用(yong)(yong)于(yu)抽油(you)(you)管(guan)(guan)(guan)道，當油(you)(you)、氣井(jing)(jing)(jing)打好并固井(jing)(jing)(jing) 之后，在油(you)(you)層套(tao)管(guan)(guan)(guan)中(zhong)設(she)置油(you)(you)管(guan)(guan)(guan)，一(yi)(yi)般可(ke)(ke)重(zhong)復使(shi)(shi)用(yong)(yong)3次。鉆(zhan)(zhan)(zhan)(zhan)桿(gan)（Rodstring）、鉆(zhan)(zhan)(zhan)(zhan)鋌、方 鉆(zhan)(zhan)(zhan)(zhan)桿(gan)、加重(zhong)鉆(zhan)(zhan)(zhan)(zhan)桿(gan)均為(wei)鉆(zhan)(zhan)(zhan)(zhan)具,用(yong)(yong)于(yu)鉆(zhan)(zhan)(zhan)(zhan)井(jing)(jing)(jing),可(ke)(ke)重(zhong)復使(shi)(shi)用(yong)(yong)。一(yi)(yi)般情況下，每鉆(zhan)(zhan)(zhan)(zhan)進1m，約需油(you)(you)井(jing)(jing)(jing) 管(guan)(guan)(guan)62kg，其中(zhong)套(tao)管(guan)(guan)(guan)48kg、油(you)(you)管(guan)(guan)(guan)10kg。