油井(jing)(jing)(jing)管(guan)（OCTG）是獲(huo)得(de)油氣(qi)(qi)資源的主(zhu)要通道，是保障油氣(qi)(qi)井(jing)(jing)(jing)安全，支撐能源戰略的 “生(sheng)命(ming)線”。根據徐婷《中國油井(jing)(jing)(jing)管(guan)技術助力國際標準化(hua)新發展》、李睿(rui)鑫《高鋼級(ji)石 油套管(guan)用(yong)鋼連續冷卻轉變行為的研究》，油井(jing)(jing)(jing)管(guan)按(an)用(yong)途主(zhu)要分為套管(guan)（Casing）、 油管(guan)（Tubing）及鉆(zhan)(zhan)(zhan)柱(zhu)構件（Rod string，鉆(zhan)(zhan)(zhan)桿、鉆(zhan)(zhan)(zhan)鋌(ting)、方鉆(zhan)(zhan)(zhan)桿、加重鉆(zhan)(zhan)(zhan)桿等(deng)）。通 過螺紋連接(jie)形成(cheng)的鉆(zhan)(zhan)(zhan)柱(zhu)和油/套管(guan)柱(zhu)是獲(huo)得(de)油氣(qi)(qi)資源的主(zhu)要通道，是保障油氣(qi)(qi)井(jing)(jing)(jing)安全， 支撐能源戰略的“生(sheng)命(ming)線”。

  油(you)(you)(you)井(jing)(jing)(jing)(jing)(jing)管(guan)(guan)(guan)(guan)主要分為套(tao)(tao)管(guan)(guan)(guan)(guan)、油(you)(you)(you)管(guan)(guan)(guan)(guan)及鉆(zhan)(zhan)柱構件(jian)，套(tao)(tao)管(guan)(guan)(guan)(guan)可(ke)靠性要求(qiu)極為嚴格(ge)。根據楊秀琴《中 國油(you)(you)(you)井(jing)(jing)(jing)(jing)(jing)管(guan)(guan)(guan)(guan)的供求(qiu)現(xian)狀與發展》、李睿鑫《高鋼級石油(you)(you)(you)套(tao)(tao)管(guan)(guan)(guan)(guan)用(yong)鋼連(lian)續冷卻(que)轉(zhuan)變行為的 研究》，套(tao)(tao)管(guan)(guan)(guan)(guan)（Casting）是(shi)作為油(you)(you)(you)、氣井(jing)(jing)(jing)(jing)(jing)井(jing)(jing)(jing)(jing)(jing)壁(bi)的鋼管(guan)(guan)(guan)(guan)。為了縮短(duan)套(tao)(tao)管(guan)(guan)(guan)(guan)的下井(jing)(jing)(jing)(jing)(jing)時間， 套(tao)(tao)管(guan)(guan)(guan)(guan)都采用(yong)螺(luo)紋連(lian)接。套(tao)(tao)管(guan)(guan)(guan)(guan)是(shi)一(yi)次性使(shi)用(yong)的材料，若出現(xian)問題將導致整口油(you)(you)(you)井(jing)(jing)(jing)(jing)(jing)報廢， 因此(ci)可(ke)靠性要求(qiu)極為嚴格(ge)。油(you)(you)(you)管(guan)(guan)(guan)(guan)（Tubing）用(yong)于抽油(you)(you)(you)管(guan)(guan)(guan)(guan)道，當油(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)(tao)管(guan)(guan)(guan)(guan)中設置(zhi)油(you)(you)(you)管(guan)(guan)(guan)(guan)，一(yi)般(ban)可(ke)重(zhong)復使(shi)用(yong)3次。鉆(zhan)(zhan)桿(gan)（Rodstring）、鉆(zhan)(zhan)鋌、方 鉆(zhan)(zhan)桿(gan)、加重(zhong)鉆(zhan)(zhan)桿(gan)均為鉆(zhan)(zhan)具,用(yong)于鉆(zhan)(zhan)井(jing)(jing)(jing)(jing)(jing),可(ke)重(zhong)復使(shi)用(yong)。一(yi)般(ban)情況下，每鉆(zhan)(zhan)進(jin)1m，約需油(you)(you)(you)井(jing)(jing)(jing)(jing)(jing) 管(guan)(guan)(guan)(guan)62kg，其中套(tao)(tao)管(guan)(guan)(guan)(guan)48kg、油(you)(you)(you)管(guan)(guan)(guan)(guan)10kg。

  油(you)(you)井(jing)(jing)(jing)(jing)管(guan)(guan)(guan)(guan)(guan)主要(yao)分為套(tao)管(guan)(guan)(guan)(guan)(guan)、油(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(kao)性(xing)(xing)要(yao)求極為嚴格(ge)。根據楊(yang)秀(xiu)琴《中(zhong) 國(guo)油(you)(you)井(jing)(jing)(jing)(jing)管(guan)(guan)(guan)(guan)(guan)的供求現狀與(yu)發展(zhan)》、李睿鑫《高鋼級石油(you)(you)套(tao)管(guan)(guan)(guan)(guan)(guan)用(yong)(yong)(yong)鋼連續冷卻轉變行為的 研究》，套(tao)管(guan)(guan)(guan)(guan)(guan)（Casting）是作(zuo)為油(you)(you)、氣(qi)井(jing)(jing)(jing)(jing)井(jing)(jing)(jing)(jing)壁的鋼管(guan)(guan)(guan)(guan)(guan)。為了縮短套(tao)管(guan)(guan)(guan)(guan)(guan)的下(xia)井(jing)(jing)(jing)(jing)時間， 套(tao)管(guan)(guan)(guan)(guan)(guan)都采用(yong)(yong)(yong)螺紋連接(jie)。套(tao)管(guan)(guan)(guan)(guan)(guan)是一(yi)(yi)次(ci)(ci)性(xing)(xing)使(shi)用(yong)(yong)(yong)的材料(liao)，若出現問題將導致整口油(you)(you)井(jing)(jing)(jing)(jing)報廢， 因此可靠(kao)性(xing)(xing)要(yao)求極為嚴格(ge)。油(you)(you)管(guan)(guan)(guan)(guan)(guan)（Tubing）用(yong)(yong)(yong)于抽油(you)(you)管(guan)(guan)(guan)(guan)(guan)道(dao)，當油(you)(you)、氣(qi)井(jing)(jing)(jing)(jing)打(da)好并固(gu)井(jing)(jing)(jing)(jing) 之后，在油(you)(you)層套(tao)管(guan)(guan)(guan)(guan)(guan)中(zhong)設置油(you)(you)管(guan)(guan)(guan)(guan)(guan)，一(yi)(yi)般(ban)可重(zhong)復(fu)使(shi)用(yong)(yong)(yong)3次(ci)(ci)。鉆(zhan)桿（Rodstring）、鉆(zhan)鋌、方 鉆(zhan)桿、加重(zhong)鉆(zhan)桿均為鉆(zhan)具(ju),用(yong)(yong)(yong)于鉆(zhan)井(jing)(jing)(jing)(jing),可重(zhong)復(fu)使(shi)用(yong)(yong)(yong)。一(yi)(yi)般(ban)情況下(xia)，每鉆(zhan)進1m，約需(xu)油(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)管(guan)(guan)(guan)(guan)(guan)10kg。