油(you)(you)井(jing)管(guan)(guan)(guan)（OCTG）是獲得油(you)(you)氣(qi)資源(yuan)的主要(yao)通道，是保障(zhang)油(you)(you)氣(qi)井(jing)安全，支(zhi)撐能(neng)源(yuan)戰略的 “生命線”。根據徐婷《中國油(you)(you)井(jing)管(guan)(guan)(guan)技術助力國際標準化新發展》、李睿鑫(xin)《高鋼級石 油(you)(you)套管(guan)(guan)(guan)用鋼連續(xu)冷(leng)卻轉變行為的研究(jiu)》，油(you)(you)井(jing)管(guan)(guan)(guan)按用途主要(yao)分為套管(guan)(guan)(guan)（Casing）、 油(you)(you)管(guan)(guan)(guan)（Tubing）及鉆(zhan)柱構件(jian)（Rod string，鉆(zhan)桿(gan)、鉆(zhan)鋌、方(fang)鉆(zhan)桿(gan)、加(jia)重鉆(zhan)桿(gan)等(deng)）。通 過螺(luo)紋連接形(xing)成的鉆(zhan)柱和(he)油(you)(you)/套管(guan)(guan)(guan)柱是獲得油(you)(you)氣(qi)資源(yuan)的主要(yao)通道，是保障(zhang)油(you)(you)氣(qi)井(jing)安全， 支(zhi)撐能(neng)源(yuan)戰略的“生命線”。

  油(you)(you)(you)(you)井(jing)管(guan)(guan)(guan)主要分為(wei)(wei)(wei)套(tao)(tao)(tao)管(guan)(guan)(guan)、油(you)(you)(you)(you)管(guan)(guan)(guan)及鉆(zhan)(zhan)(zhan)柱構(gou)件，套(tao)(tao)(tao)管(guan)(guan)(guan)可(ke)靠性(xing)要求(qiu)(qiu)極(ji)為(wei)(wei)(wei)嚴(yan)格(ge)。根(gen)據楊秀琴《中 國油(you)(you)(you)(you)井(jing)管(guan)(guan)(guan)的(de)供求(qiu)(qiu)現狀與發展(zhan)》、李睿(rui)鑫《高鋼(gang)級石油(you)(you)(you)(you)套(tao)(tao)(tao)管(guan)(guan)(guan)用(yong)鋼(gang)連(lian)續冷(leng)卻(que)轉變(bian)行為(wei)(wei)(wei)的(de) 研究》，套(tao)(tao)(tao)管(guan)(guan)(guan)（Casting）是作為(wei)(wei)(wei)油(you)(you)(you)(you)、氣(qi)井(jing)井(jing)壁的(de)鋼(gang)管(guan)(guan)(guan)。為(wei)(wei)(wei)了縮短套(tao)(tao)(tao)管(guan)(guan)(guan)的(de)下井(jing)時間， 套(tao)(tao)(tao)管(guan)(guan)(guan)都采用(yong)螺紋連(lian)接。套(tao)(tao)(tao)管(guan)(guan)(guan)是一(yi)次性(xing)使(shi)(shi)用(yong)的(de)材料，若出現問(wen)題將導致(zhi)整(zheng)口油(you)(you)(you)(you)井(jing)報廢， 因此可(ke)靠性(xing)要求(qiu)(qiu)極(ji)為(wei)(wei)(wei)嚴(yan)格(ge)。油(you)(you)(you)(you)管(guan)(guan)(guan)（Tubing）用(yong)于抽油(you)(you)(you)(you)管(guan)(guan)(guan)道(dao)，當油(you)(you)(you)(you)、氣(qi)井(jing)打好(hao)并固井(jing) 之后，在(zai)油(you)(you)(you)(you)層套(tao)(tao)(tao)管(guan)(guan)(guan)中設(she)置油(you)(you)(you)(you)管(guan)(guan)(guan)，一(yi)般(ban)可(ke)重(zhong)復使(shi)(shi)用(yong)3次。鉆(zhan)(zhan)(zhan)桿(gan)（Rodstring）、鉆(zhan)(zhan)(zhan)鋌(ting)、方(fang) 鉆(zhan)(zhan)(zhan)桿(gan)、加重(zhong)鉆(zhan)(zhan)(zhan)桿(gan)均為(wei)(wei)(wei)鉆(zhan)(zhan)(zhan)具,用(yong)于鉆(zhan)(zhan)(zhan)井(jing),可(ke)重(zhong)復使(shi)(shi)用(yong)。一(yi)般(ban)情況下，每鉆(zhan)(zhan)(zhan)進1m，約需油(you)(you)(you)(you)井(jing) 管(guan)(guan)(guan)62kg，其(qi)中套(tao)(tao)(tao)管(guan)(guan)(guan)48kg、油(you)(you)(you)(you)管(guan)(guan)(guan)10kg。

  油(you)(you)(you)井管(guan)(guan)(guan)(guan)主(zhu)要(yao)(yao)分為(wei)套(tao)(tao)(tao)(tao)(tao)管(guan)(guan)(guan)(guan)、油(you)(you)(you)管(guan)(guan)(guan)(guan)及鉆柱構(gou)件，套(tao)(tao)(tao)(tao)(tao)管(guan)(guan)(guan)(guan)可(ke)靠(kao)性要(yao)(yao)求極為(wei)嚴(yan)格。根據楊秀(xiu)琴《中 國油(you)(you)(you)井管(guan)(guan)(guan)(guan)的供求現狀(zhuang)與(yu)發展(zhan)》、李睿鑫《高鋼(gang)(gang)級(ji)石油(you)(you)(you)套(tao)(tao)(tao)(tao)(tao)管(guan)(guan)(guan)(guan)用(yong)(yong)(yong)(yong)鋼(gang)(gang)連續冷(leng)卻(que)轉變行為(wei)的 研究》，套(tao)(tao)(tao)(tao)(tao)管(guan)(guan)(guan)(guan)（Casting）是(shi)作(zuo)為(wei)油(you)(you)(you)、氣(qi)井井壁的鋼(gang)(gang)管(guan)(guan)(guan)(guan)。為(wei)了(le)縮短套(tao)(tao)(tao)(tao)(tao)管(guan)(guan)(guan)(guan)的下井時間， 套(tao)(tao)(tao)(tao)(tao)管(guan)(guan)(guan)(guan)都采(cai)用(yong)(yong)(yong)(yong)螺紋連接。套(tao)(tao)(tao)(tao)(tao)管(guan)(guan)(guan)(guan)是(shi)一次(ci)性使(shi)用(yong)(yong)(yong)(yong)的材(cai)料，若出(chu)現問題將導致整口(kou)油(you)(you)(you)井報廢， 因此可(ke)靠(kao)性要(yao)(yao)求極為(wei)嚴(yan)格。油(you)(you)(you)管(guan)(guan)(guan)(guan)（Tubing）用(yong)(yong)(yong)(yong)于抽油(you)(you)(you)管(guan)(guan)(guan)(guan)道(dao)，當(dang)油(you)(you)(you)、氣(qi)井打好并固井 之后，在油(you)(you)(you)層套(tao)(tao)(tao)(tao)(tao)管(guan)(guan)(guan)(guan)中設置(zhi)油(you)(you)(you)管(guan)(guan)(guan)(guan)，一般可(ke)重復使(shi)用(yong)(yong)(yong)(yong)3次(ci)。鉆桿（Rodstring）、鉆鋌、方 鉆桿、加(jia)重鉆桿均為(wei)鉆具(ju),用(yong)(yong)(yong)(yong)于鉆井,可(ke)重復使(shi)用(yong)(yong)(yong)(yong)。一般情況下，每鉆進1m，約(yue)需油(you)(you)(you)井 管(guan)(guan)(guan)(guan)62kg，其中套(tao)(tao)(tao)(tao)(tao)管(guan)(guan)(guan)(guan)48kg、油(you)(you)(you)管(guan)(guan)(guan)(guan)10kg。