油井(jing)管(guan)（OCTG）是獲得(de)油氣(qi)資源(yuan)的主要通道(dao)，是保障(zhang)油氣(qi)井(jing)安全，支撐能源(yuan)戰略的 “生命線”。根據徐婷《中國油井(jing)管(guan)技(ji)術助力國際標準化新(xin)發展(zhan)》、李睿鑫《高(gao)鋼級(ji)石 油套管(guan)用鋼連續冷卻轉變行為的研究》，油井(jing)管(guan)按用途主要分為套管(guan)（Casing）、 油管(guan)（Tubing）及鉆柱構件（Rod string，鉆桿、鉆鋌、方(fang)鉆桿、加重(zhong)鉆桿等）。通 過螺紋連接形成(cheng)的鉆柱和(he)油/套管(guan)柱是獲得(de)油氣(qi)資源(yuan)的主要通道(dao)，是保障(zhang)油氣(qi)井(jing)安全， 支撐能源(yuan)戰略的“生命線”。

  油(you)(you)井(jing)(jing)管(guan)(guan)(guan)主要分為(wei)套管(guan)(guan)(guan)、油(you)(you)管(guan)(guan)(guan)及鉆(zhan)(zhan)柱構件(jian)，套管(guan)(guan)(guan)可(ke)(ke)靠性(xing)要求(qiu)極(ji)為(wei)嚴格。根(gen)據楊秀琴《中 國油(you)(you)井(jing)(jing)管(guan)(guan)(guan)的(de)(de)供求(qiu)現(xian)狀(zhuang)與發展》、李(li)睿鑫(xin)《高(gao)鋼(gang)級石油(you)(you)套管(guan)(guan)(guan)用(yong)鋼(gang)連續冷(leng)卻(que)轉變行為(wei)的(de)(de) 研(yan)究》，套管(guan)(guan)(guan)（Casting）是作為(wei)油(you)(you)、氣(qi)井(jing)(jing)井(jing)(jing)壁的(de)(de)鋼(gang)管(guan)(guan)(guan)。為(wei)了縮(suo)短(duan)套管(guan)(guan)(guan)的(de)(de)下井(jing)(jing)時間， 套管(guan)(guan)(guan)都采用(yong)螺紋連接。套管(guan)(guan)(guan)是一次性(xing)使用(yong)的(de)(de)材料，若出現(xian)問題將導(dao)致整口(kou)油(you)(you)井(jing)(jing)報廢(fei)， 因(yin)此可(ke)(ke)靠性(xing)要求(qiu)極(ji)為(wei)嚴格。油(you)(you)管(guan)(guan)(guan)（Tubing）用(yong)于(yu)抽油(you)(you)管(guan)(guan)(guan)道，當油(you)(you)、氣(qi)井(jing)(jing)打好(hao)并固井(jing)(jing) 之后，在油(you)(you)層套管(guan)(guan)(guan)中設置(zhi)油(you)(you)管(guan)(guan)(guan)，一般可(ke)(ke)重(zhong)復使用(yong)3次。鉆(zhan)(zhan)桿（Rodstring）、鉆(zhan)(zhan)鋌、方(fang) 鉆(zhan)(zhan)桿、加(jia)重(zhong)鉆(zhan)(zhan)桿均(jun)為(wei)鉆(zhan)(zhan)具,用(yong)于(yu)鉆(zhan)(zhan)井(jing)(jing),可(ke)(ke)重(zhong)復使用(yong)。一般情況下，每(mei)鉆(zhan)(zhan)進1m，約需(xu)油(you)(you)井(jing)(jing) 管(guan)(guan)(guan)62kg，其中套管(guan)(guan)(guan)48kg、油(you)(you)管(guan)(guan)(guan)10kg。

  油(you)(you)(you)井(jing)(jing)(jing)(jing)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)主要(yao)分為套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)、油(you)(you)(you)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)及鉆(zhan)(zhan)(zhan)(zhan)柱構件，套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)可靠(kao)性(xing)要(yao)求(qiu)極為嚴格。根據(ju)楊秀琴《中 國油(you)(you)(you)井(jing)(jing)(jing)(jing)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)供求(qiu)現(xian)狀與(yu)發(fa)展》、李睿鑫《高鋼(gang)級(ji)石油(you)(you)(you)套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)用鋼(gang)連續冷(leng)卻(que)轉(zhuan)變(bian)行(xing)為的(de) 研究(jiu)》，套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)（Casting）是作為油(you)(you)(you)、氣井(jing)(jing)(jing)(jing)井(jing)(jing)(jing)(jing)壁(bi)的(de)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)。為了縮(suo)短套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)下(xia)井(jing)(jing)(jing)(jing)時間， 套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)都采(cai)用螺紋連接(jie)。套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)是一(yi)次性(xing)使用的(de)材料，若出(chu)現(xian)問(wen)題將(jiang)導致整口油(you)(you)(you)井(jing)(jing)(jing)(jing)報(bao)廢， 因此可靠(kao)性(xing)要(yao)求(qiu)極為嚴格。油(you)(you)(you)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)（Tubing）用于(yu)抽油(you)(you)(you)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道，當(dang)油(you)(you)(you)、氣井(jing)(jing)(jing)(jing)打好并固井(jing)(jing)(jing)(jing) 之后，在(zai)油(you)(you)(you)層套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)中設置油(you)(you)(you)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)，一(yi)般可重(zhong)復(fu)使用3次。鉆(zhan)(zhan)(zhan)(zhan)桿（Rodstring）、鉆(zhan)(zhan)(zhan)(zhan)鋌、方 鉆(zhan)(zhan)(zhan)(zhan)桿、加重(zhong)鉆(zhan)(zhan)(zhan)(zhan)桿均為鉆(zhan)(zhan)(zhan)(zhan)具,用于(yu)鉆(zhan)(zhan)(zhan)(zhan)井(jing)(jing)(jing)(jing),可重(zhong)復(fu)使用。一(yi)般情況下(xia)，每鉆(zhan)(zhan)(zhan)(zhan)進(jin)1m，約(yue)需油(you)(you)(you)井(jing)(jing)(jing)(jing) 管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)62kg，其中套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)48kg、油(you)(you)(you)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)10kg。