油(you)井(jing)管（OCTG）是(shi)獲(huo)得油(you)氣資(zi)源(yuan)(yuan)的(de)主要(yao)通道(dao)，是(shi)保(bao)障(zhang)油(you)氣井(jing)安全(quan)，支撐能源(yuan)(yuan)戰(zhan)略的(de) “生命(ming)線(xian)(xian)”。根據徐婷《中國(guo)油(you)井(jing)管技(ji)術助力國(guo)際標準化新發展》、李(li)睿鑫《高鋼(gang)級石 油(you)套(tao)管用(yong)鋼(gang)連(lian)續冷卻轉變行為的(de)研究》，油(you)井(jing)管按(an)用(yong)途(tu)主要(yao)分為套(tao)管（Casing）、 油(you)管（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）。通 過螺(luo)紋(wen)連(lian)接形成(cheng)的(de)鉆(zhan)柱和油(you)/套(tao)管柱是(shi)獲(huo)得油(you)氣資(zi)源(yuan)(yuan)的(de)主要(yao)通道(dao)，是(shi)保(bao)障(zhang)油(you)氣井(jing)安全(quan)， 支撐能源(yuan)(yuan)戰(zhan)略的(de)“生命(ming)線(xian)(xian)”。

  油(you)(you)(you)井(jing)(jing)(jing)(jing)(jing)管(guan)(guan)(guan)主要(yao)分為(wei)(wei)套(tao)管(guan)(guan)(guan)、油(you)(you)(you)管(guan)(guan)(guan)及鉆(zhan)(zhan)(zhan)柱構件，套(tao)管(guan)(guan)(guan)可(ke)靠性要(yao)求極為(wei)(wei)嚴(yan)(yan)格。根據(ju)楊秀琴《中 國油(you)(you)(you)井(jing)(jing)(jing)(jing)(jing)管(guan)(guan)(guan)的(de)(de)供(gong)求現(xian)狀與發展(zhan)》、李(li)睿鑫《高鋼級石油(you)(you)(you)套(tao)管(guan)(guan)(guan)用(yong)(yong)(yong)(yong)鋼連續冷卻(que)轉(zhuan)變行為(wei)(wei)的(de)(de) 研究》，套(tao)管(guan)(guan)(guan)（Casting）是作(zuo)為(wei)(wei)油(you)(you)(you)、氣井(jing)(jing)(jing)(jing)(jing)井(jing)(jing)(jing)(jing)(jing)壁的(de)(de)鋼管(guan)(guan)(guan)。為(wei)(wei)了縮短套(tao)管(guan)(guan)(guan)的(de)(de)下(xia)井(jing)(jing)(jing)(jing)(jing)時間(jian)， 套(tao)管(guan)(guan)(guan)都采用(yong)(yong)(yong)(yong)螺紋連接(jie)。套(tao)管(guan)(guan)(guan)是一(yi)次性使用(yong)(yong)(yong)(yong)的(de)(de)材料，若出現(xian)問題將導(dao)致整口油(you)(you)(you)井(jing)(jing)(jing)(jing)(jing)報(bao)廢， 因此(ci)可(ke)靠性要(yao)求極為(wei)(wei)嚴(yan)(yan)格。油(you)(you)(you)管(guan)(guan)(guan)（Tubing）用(yong)(yong)(yong)(yong)于(yu)抽油(you)(you)(you)管(guan)(guan)(guan)道，當(dang)油(you)(you)(you)、氣井(jing)(jing)(jing)(jing)(jing)打好并固井(jing)(jing)(jing)(jing)(jing) 之后，在油(you)(you)(you)層套(tao)管(guan)(guan)(guan)中設置油(you)(you)(you)管(guan)(guan)(guan)，一(yi)般可(ke)重(zhong)復使用(yong)(yong)(yong)(yong)3次。鉆(zhan)(zhan)(zhan)桿(gan)（Rodstring）、鉆(zhan)(zhan)(zhan)鋌、方 鉆(zhan)(zhan)(zhan)桿(gan)、加重(zhong)鉆(zhan)(zhan)(zhan)桿(gan)均為(wei)(wei)鉆(zhan)(zhan)(zhan)具(ju),用(yong)(yong)(yong)(yong)于(yu)鉆(zhan)(zhan)(zhan)井(jing)(jing)(jing)(jing)(jing),可(ke)重(zhong)復使用(yong)(yong)(yong)(yong)。一(yi)般情況(kuang)下(xia)，每鉆(zhan)(zhan)(zhan)進1m，約需油(you)(you)(you)井(jing)(jing)(jing)(jing)(jing) 管(guan)(guan)(guan)62kg，其中套(tao)管(guan)(guan)(guan)48kg、油(you)(you)(you)管(guan)(guan)(guan)10kg。

  油(you)(you)(you)(you)(you)井(jing)(jing)(jing)(jing)(jing)管(guan)(guan)(guan)(guan)主(zhu)要分為(wei)套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)、油(you)(you)(you)(you)(you)管(guan)(guan)(guan)(guan)及鉆(zhan)(zhan)(zhan)柱構件，套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)可(ke)(ke)靠性要求極為(wei)嚴格(ge)。根據楊(yang)秀琴《中(zhong)(zhong) 國油(you)(you)(you)(you)(you)井(jing)(jing)(jing)(jing)(jing)管(guan)(guan)(guan)(guan)的(de)供求現狀與發(fa)展》、李睿鑫(xin)《高鋼級(ji)石油(you)(you)(you)(you)(you)套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)用(yong)鋼連續冷卻轉變行為(wei)的(de) 研究》，套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)（Casting）是作為(wei)油(you)(you)(you)(you)(you)、氣(qi)井(jing)(jing)(jing)(jing)(jing)井(jing)(jing)(jing)(jing)(jing)壁的(de)鋼管(guan)(guan)(guan)(guan)。為(wei)了縮短(duan)套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)的(de)下井(jing)(jing)(jing)(jing)(jing)時間， 套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)都(dou)采用(yong)螺紋(wen)連接(jie)。套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)是一(yi)次性使用(yong)的(de)材料(liao)，若出現問題將導致整口油(you)(you)(you)(you)(you)井(jing)(jing)(jing)(jing)(jing)報廢， 因此(ci)可(ke)(ke)靠性要求極為(wei)嚴格(ge)。油(you)(you)(you)(you)(you)管(guan)(guan)(guan)(guan)（Tubing）用(yong)于抽油(you)(you)(you)(you)(you)管(guan)(guan)(guan)(guan)道，當油(you)(you)(you)(you)(you)、氣(qi)井(jing)(jing)(jing)(jing)(jing)打好并固井(jing)(jing)(jing)(jing)(jing) 之后，在油(you)(you)(you)(you)(you)層套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)中(zhong)(zhong)設置油(you)(you)(you)(you)(you)管(guan)(guan)(guan)(guan)，一(yi)般可(ke)(ke)重(zhong)復使用(yong)3次。鉆(zhan)(zhan)(zhan)桿（Rodstring）、鉆(zhan)(zhan)(zhan)鋌、方 鉆(zhan)(zhan)(zhan)桿、加(jia)重(zhong)鉆(zhan)(zhan)(zhan)桿均為(wei)鉆(zhan)(zhan)(zhan)具(ju),用(yong)于鉆(zhan)(zhan)(zhan)井(jing)(jing)(jing)(jing)(jing),可(ke)(ke)重(zhong)復使用(yong)。一(yi)般情況下，每鉆(zhan)(zhan)(zhan)進(jin)1m，約需油(you)(you)(you)(you)(you)井(jing)(jing)(jing)(jing)(jing) 管(guan)(guan)(guan)(guan)62kg，其中(zhong)(zhong)套(tao)(tao)(tao)管(guan)(guan)(guan)(guan)48kg、油(you)(you)(you)(you)(you)管(guan)(guan)(guan)(guan)10kg。