油(you)(you)井(jing)(jing)管(guan)(guan)(guan)（OCTG）是獲得油(you)(you)氣(qi)資源的主(zhu)要通(tong)道，是保障(zhang)油(you)(you)氣(qi)井(jing)(jing)安全，支撐(cheng)能(neng)源戰(zhan)略的 “生(sheng)(sheng)命(ming)線”。根(gen)據(ju)徐(xu)婷《中國油(you)(you)井(jing)(jing)管(guan)(guan)(guan)技術助力國際(ji)標準化新發展(zhan)》、李睿鑫《高鋼級石 油(you)(you)套管(guan)(guan)(guan)用(yong)鋼連續冷卻轉(zhuan)變(bian)行為的研究》，油(you)(you)井(jing)(jing)管(guan)(guan)(guan)按(an)用(yong)途主(zhu)要分為套管(guan)(guan)(guan)（Casing）、 油(you)(you)管(guan)(guan)(guan)（Tubing）及鉆(zhan)柱構件（Rod string，鉆(zhan)桿、鉆(zhan)鋌、方鉆(zhan)桿、加(jia)重鉆(zhan)桿等）。通(tong) 過螺(luo)紋連接形成的鉆(zhan)柱和油(you)(you)/套管(guan)(guan)(guan)柱是獲得油(you)(you)氣(qi)資源的主(zhu)要通(tong)道，是保障(zhang)油(you)(you)氣(qi)井(jing)(jing)安全， 支撐(cheng)能(neng)源戰(zhan)略的“生(sheng)(sheng)命(ming)線”。

  油(you)井(jing)(jing)(jing)(jing)管(guan)(guan)(guan)(guan)(guan)主要(yao)分為(wei)套管(guan)(guan)(guan)(guan)(guan)、油(you)管(guan)(guan)(guan)(guan)(guan)及鉆(zhan)(zhan)柱構件(jian)，套管(guan)(guan)(guan)(guan)(guan)可靠性(xing)要(yao)求(qiu)極為(wei)嚴格。根據楊秀琴《中(zhong) 國油(you)井(jing)(jing)(jing)(jing)管(guan)(guan)(guan)(guan)(guan)的(de)供求(qiu)現狀與發(fa)展》、李(li)睿鑫(xin)《高鋼級石油(you)套管(guan)(guan)(guan)(guan)(guan)用(yong)鋼連續冷卻(que)轉變行為(wei)的(de) 研究》，套管(guan)(guan)(guan)(guan)(guan)（Casting）是作為(wei)油(you)、氣井(jing)(jing)(jing)(jing)井(jing)(jing)(jing)(jing)壁的(de)鋼管(guan)(guan)(guan)(guan)(guan)。為(wei)了縮短套管(guan)(guan)(guan)(guan)(guan)的(de)下井(jing)(jing)(jing)(jing)時間， 套管(guan)(guan)(guan)(guan)(guan)都采用(yong)螺(luo)紋(wen)連接。套管(guan)(guan)(guan)(guan)(guan)是一(yi)次性(xing)使用(yong)的(de)材料(liao)，若出現問題將導致(zhi)整口油(you)井(jing)(jing)(jing)(jing)報(bao)廢， 因此可靠性(xing)要(yao)求(qiu)極為(wei)嚴格。油(you)管(guan)(guan)(guan)(guan)(guan)（Tubing）用(yong)于抽(chou)油(you)管(guan)(guan)(guan)(guan)(guan)道，當油(you)、氣井(jing)(jing)(jing)(jing)打(da)好(hao)并固井(jing)(jing)(jing)(jing) 之后(hou)，在油(you)層套管(guan)(guan)(guan)(guan)(guan)中(zhong)設置(zhi)油(you)管(guan)(guan)(guan)(guan)(guan)，一(yi)般(ban)可重復使用(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(wei)鉆(zhan)(zhan)具,用(yong)于鉆(zhan)(zhan)井(jing)(jing)(jing)(jing),可重復使用(yong)。一(yi)般(ban)情況下，每鉆(zhan)(zhan)進1m，約需(xu)油(you)井(jing)(jing)(jing)(jing) 管(guan)(guan)(guan)(guan)(guan)62kg，其中(zhong)套管(guan)(guan)(guan)(guan)(guan)48kg、油(you)管(guan)(guan)(guan)(guan)(guan)10kg。

  油(you)(you)井(jing)管(guan)(guan)主要分為(wei)套(tao)(tao)管(guan)(guan)、油(you)(you)管(guan)(guan)及鉆(zhan)(zhan)柱(zhu)構件，套(tao)(tao)管(guan)(guan)可靠性要求(qiu)(qiu)極為(wei)嚴(yan)格。根(gen)據楊(yang)秀(xiu)琴(qin)《中 國油(you)(you)井(jing)管(guan)(guan)的(de)供求(qiu)(qiu)現狀與發展(zhan)》、李(li)睿鑫《高鋼(gang)級石油(you)(you)套(tao)(tao)管(guan)(guan)用(yong)(yong)鋼(gang)連(lian)續冷(leng)卻(que)轉變行為(wei)的(de) 研(yan)究》，套(tao)(tao)管(guan)(guan)（Casting）是(shi)作(zuo)為(wei)油(you)(you)、氣井(jing)井(jing)壁的(de)鋼(gang)管(guan)(guan)。為(wei)了縮短(duan)套(tao)(tao)管(guan)(guan)的(de)下井(jing)時(shi)間， 套(tao)(tao)管(guan)(guan)都(dou)采(cai)用(yong)(yong)螺紋(wen)連(lian)接(jie)。套(tao)(tao)管(guan)(guan)是(shi)一次性使(shi)(shi)用(yong)(yong)的(de)材料，若出(chu)現問題將導致整口(kou)油(you)(you)井(jing)報(bao)廢， 因此可靠性要求(qiu)(qiu)極為(wei)嚴(yan)格。油(you)(you)管(guan)(guan)（Tubing）用(yong)(yong)于抽(chou)油(you)(you)管(guan)(guan)道，當油(you)(you)、氣井(jing)打好(hao)并固井(jing) 之后，在油(you)(you)層套(tao)(tao)管(guan)(guan)中設置(zhi)油(you)(you)管(guan)(guan)，一般可重(zhong)復使(shi)(shi)用(yong)(yong)3次。鉆(zhan)(zhan)桿（Rodstring）、鉆(zhan)(zhan)鋌、方 鉆(zhan)(zhan)桿、加重(zhong)鉆(zhan)(zhan)桿均為(wei)鉆(zhan)(zhan)具,用(yong)(yong)于鉆(zhan)(zhan)井(jing),可重(zhong)復使(shi)(shi)用(yong)(yong)。一般情況下，每鉆(zhan)(zhan)進1m，約需油(you)(you)井(jing) 管(guan)(guan)62kg，其(qi)中套(tao)(tao)管(guan)(guan)48kg、油(you)(you)管(guan)(guan)10kg。