油(you)井(jing)管（OCTG）是獲得(de)油(you)氣(qi)資(zi)源(yuan)的(de)主(zhu)要通道，是保障油(you)氣(qi)井(jing)安全，支撐(cheng)(cheng)能源(yuan)戰略的(de) “生命線”。根(gen)據(ju)徐婷《中國油(you)井(jing)管技術助力(li)國際(ji)標準化新發展》、李睿(rui)鑫《高鋼級石 油(you)套管用(yong)鋼連續冷(leng)卻轉變行為(wei)的(de)研(yan)究》，油(you)井(jing)管按用(yong)途主(zhu)要分為(wei)套管（Casing）、 油(you)管（Tubing）及鉆(zhan)柱(zhu)構件（Rod string，鉆(zhan)桿(gan)(gan)、鉆(zhan)鋌、方鉆(zhan)桿(gan)(gan)、加(jia)重鉆(zhan)桿(gan)(gan)等(deng)）。通 過螺紋連接形成的(de)鉆(zhan)柱(zhu)和油(you)/套管柱(zhu)是獲得(de)油(you)氣(qi)資(zi)源(yuan)的(de)主(zhu)要通道，是保障油(you)氣(qi)井(jing)安全， 支撐(cheng)(cheng)能源(yuan)戰略的(de)“生命線”。

  油(you)(you)井管(guan)(guan)主(zhu)要分為(wei)套(tao)管(guan)(guan)、油(you)(you)管(guan)(guan)及鉆柱構件，套(tao)管(guan)(guan)可(ke)靠性(xing)要求(qiu)極為(wei)嚴格。根據楊(yang)秀琴《中(zhong) 國油(you)(you)井管(guan)(guan)的供(gong)求(qiu)現(xian)狀與發展》、李睿鑫《高鋼級石油(you)(you)套(tao)管(guan)(guan)用(yong)鋼連續冷卻(que)轉變行為(wei)的 研究》，套(tao)管(guan)(guan)（Casting）是作為(wei)油(you)(you)、氣井井壁(bi)的鋼管(guan)(guan)。為(wei)了縮短套(tao)管(guan)(guan)的下(xia)井時間， 套(tao)管(guan)(guan)都采用(yong)螺紋連接(jie)。套(tao)管(guan)(guan)是一次(ci)性(xing)使(shi)用(yong)的材料，若出(chu)現(xian)問(wen)題(ti)將(jiang)導致(zhi)整口油(you)(you)井報廢， 因此可(ke)靠性(xing)要求(qiu)極為(wei)嚴格。油(you)(you)管(guan)(guan)（Tubing）用(yong)于抽油(you)(you)管(guan)(guan)道(dao)，當油(you)(you)、氣井打好并固井 之(zhi)后，在油(you)(you)層套(tao)管(guan)(guan)中(zhong)設置(zhi)油(you)(you)管(guan)(guan)，一般(ban)可(ke)重復使(shi)用(yong)3次(ci)。鉆桿(gan)(gan)（Rodstring）、鉆鋌、方(fang) 鉆桿(gan)(gan)、加重鉆桿(gan)(gan)均為(wei)鉆具,用(yong)于鉆井,可(ke)重復使(shi)用(yong)。一般(ban)情況下(xia)，每鉆進1m，約(yue)需油(you)(you)井 管(guan)(guan)62kg，其(qi)中(zhong)套(tao)管(guan)(guan)48kg、油(you)(you)管(guan)(guan)10kg。

  油(you)井(jing)(jing)(jing)管(guan)(guan)(guan)(guan)(guan)主要分為(wei)套(tao)(tao)管(guan)(guan)(guan)(guan)(guan)、油(you)管(guan)(guan)(guan)(guan)(guan)及鉆(zhan)柱構(gou)件(jian)，套(tao)(tao)管(guan)(guan)(guan)(guan)(guan)可(ke)靠(kao)(kao)性(xing)要求(qiu)極為(wei)嚴(yan)(yan)格。根據楊秀琴《中 國油(you)井(jing)(jing)(jing)管(guan)(guan)(guan)(guan)(guan)的(de)供求(qiu)現狀與發展(zhan)》、李(li)睿(rui)鑫《高鋼(gang)級石油(you)套(tao)(tao)管(guan)(guan)(guan)(guan)(guan)用鋼(gang)連續冷卻(que)轉(zhuan)變(bian)行為(wei)的(de) 研(yan)究》，套(tao)(tao)管(guan)(guan)(guan)(guan)(guan)（Casting）是(shi)作為(wei)油(you)、氣井(jing)(jing)(jing)井(jing)(jing)(jing)壁(bi)的(de)鋼(gang)管(guan)(guan)(guan)(guan)(guan)。為(wei)了(le)縮(suo)短套(tao)(tao)管(guan)(guan)(guan)(guan)(guan)的(de)下井(jing)(jing)(jing)時(shi)間， 套(tao)(tao)管(guan)(guan)(guan)(guan)(guan)都采用螺紋連接(jie)。套(tao)(tao)管(guan)(guan)(guan)(guan)(guan)是(shi)一次性(xing)使(shi)用的(de)材料(liao)，若出(chu)現問題將(jiang)導致整口油(you)井(jing)(jing)(jing)報廢， 因此(ci)可(ke)靠(kao)(kao)性(xing)要求(qiu)極為(wei)嚴(yan)(yan)格。油(you)管(guan)(guan)(guan)(guan)(guan)（Tubing）用于抽(chou)油(you)管(guan)(guan)(guan)(guan)(guan)道，當(dang)油(you)、氣井(jing)(jing)(jing)打好并固井(jing)(jing)(jing) 之后(hou)，在油(you)層套(tao)(tao)管(guan)(guan)(guan)(guan)(guan)中設置油(you)管(guan)(guan)(guan)(guan)(guan)，一般(ban)可(ke)重復使(shi)用3次。鉆(zhan)桿（Rodstring）、鉆(zhan)鋌(ting)、方 鉆(zhan)桿、加重鉆(zhan)桿均為(wei)鉆(zhan)具,用于鉆(zhan)井(jing)(jing)(jing),可(ke)重復使(shi)用。一般(ban)情況下，每鉆(zhan)進(jin)1m，約需油(you)井(jing)(jing)(jing) 管(guan)(guan)(guan)(guan)(guan)62kg，其中套(tao)(tao)管(guan)(guan)(guan)(guan)(guan)48kg、油(you)管(guan)(guan)(guan)(guan)(guan)10kg。