油井(jing)(jing)管(guan)(guan)（OCTG）是獲(huo)得油氣(qi)資(zi)源的主(zhu)要通道，是保障油氣(qi)井(jing)(jing)安全(quan)，支(zhi)(zhi)撐(cheng)能(neng)源戰(zhan)略(lve)的 “生(sheng)命線”。根據(ju)徐婷(ting)《中國油井(jing)(jing)管(guan)(guan)技術(shu)助力國際標準(zhun)化新(xin)發展》、李睿鑫《高鋼(gang)級石 油套管(guan)(guan)用(yong)鋼(gang)連(lian)續冷卻轉變行(xing)為的研(yan)究》，油井(jing)(jing)管(guan)(guan)按用(yong)途主(zhu)要分為套管(guan)(guan)（Casing）、 油管(guan)(guan)（Tubing）及鉆(zhan)(zhan)柱(zhu)構件（Rod string，鉆(zhan)(zhan)桿(gan)、鉆(zhan)(zhan)鋌(ting)、方鉆(zhan)(zhan)桿(gan)、加重鉆(zhan)(zhan)桿(gan)等）。通 過(guo)螺紋連(lian)接形(xing)成的鉆(zhan)(zhan)柱(zhu)和油/套管(guan)(guan)柱(zhu)是獲(huo)得油氣(qi)資(zi)源的主(zhu)要通道，是保障油氣(qi)井(jing)(jing)安全(quan)， 支(zhi)(zhi)撐(cheng)能(neng)源戰(zhan)略(lve)的“生(sheng)命線”。

  油(you)井(jing)(jing)管(guan)(guan)(guan)(guan)(guan)(guan)主要(yao)分(fen)為(wei)(wei)套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)、油(you)管(guan)(guan)(guan)(guan)(guan)(guan)及鉆(zhan)(zhan)柱構件，套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)可靠(kao)性(xing)要(yao)求(qiu)極(ji)為(wei)(wei)嚴格(ge)。根據楊秀琴《中 國油(you)井(jing)(jing)管(guan)(guan)(guan)(guan)(guan)(guan)的供求(qiu)現(xian)狀與發展》、李睿鑫《高鋼級石油(you)套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)用(yong)鋼連(lian)續冷卻轉變行為(wei)(wei)的 研(yan)究》，套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)（Casting）是(shi)作為(wei)(wei)油(you)、氣井(jing)(jing)井(jing)(jing)壁(bi)的鋼管(guan)(guan)(guan)(guan)(guan)(guan)。為(wei)(wei)了縮短套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)的下井(jing)(jing)時間， 套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)都(dou)采用(yong)螺紋(wen)連(lian)接。套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)是(shi)一次性(xing)使(shi)用(yong)的材料，若出現(xian)問(wen)題將導(dao)致整口油(you)井(jing)(jing)報廢， 因此可靠(kao)性(xing)要(yao)求(qiu)極(ji)為(wei)(wei)嚴格(ge)。油(you)管(guan)(guan)(guan)(guan)(guan)(guan)（Tubing）用(yong)于抽油(you)管(guan)(guan)(guan)(guan)(guan)(guan)道，當油(you)、氣井(jing)(jing)打(da)好(hao)并固井(jing)(jing) 之后，在油(you)層套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)中設置油(you)管(guan)(guan)(guan)(guan)(guan)(guan)，一般可重(zhong)復(fu)使(shi)用(yong)3次。鉆(zhan)(zhan)桿(gan)（Rodstring）、鉆(zhan)(zhan)鋌、方(fang) 鉆(zhan)(zhan)桿(gan)、加重(zhong)鉆(zhan)(zhan)桿(gan)均為(wei)(wei)鉆(zhan)(zhan)具,用(yong)于鉆(zhan)(zhan)井(jing)(jing),可重(zhong)復(fu)使(shi)用(yong)。一般情況(kuang)下，每鉆(zhan)(zhan)進1m，約需(xu)油(you)井(jing)(jing) 管(guan)(guan)(guan)(guan)(guan)(guan)62kg，其(qi)中套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)48kg、油(you)管(guan)(guan)(guan)(guan)(guan)(guan)10kg。

  油(you)(you)井(jing)管(guan)(guan)(guan)(guan)(guan)主(zhu)要(yao)分為(wei)套(tao)管(guan)(guan)(guan)(guan)(guan)、油(you)(you)管(guan)(guan)(guan)(guan)(guan)及鉆柱構件(jian)，套(tao)管(guan)(guan)(guan)(guan)(guan)可(ke)(ke)靠(kao)性(xing)要(yao)求極(ji)為(wei)嚴(yan)格。根據楊(yang)秀琴《中(zhong) 國油(you)(you)井(jing)管(guan)(guan)(guan)(guan)(guan)的(de)供求現(xian)狀與發展》、李睿鑫《高鋼級石油(you)(you)套(tao)管(guan)(guan)(guan)(guan)(guan)用鋼連續冷卻轉變行為(wei)的(de) 研究》，套(tao)管(guan)(guan)(guan)(guan)(guan)（Casting）是作為(wei)油(you)(you)、氣井(jing)井(jing)壁(bi)的(de)鋼管(guan)(guan)(guan)(guan)(guan)。為(wei)了(le)縮短套(tao)管(guan)(guan)(guan)(guan)(guan)的(de)下(xia)井(jing)時間(jian)， 套(tao)管(guan)(guan)(guan)(guan)(guan)都(dou)采用螺紋連接(jie)。套(tao)管(guan)(guan)(guan)(guan)(guan)是一次(ci)性(xing)使(shi)用的(de)材料，若出(chu)現(xian)問(wen)題將導致整口油(you)(you)井(jing)報廢， 因此可(ke)(ke)靠(kao)性(xing)要(yao)求極(ji)為(wei)嚴(yan)格。油(you)(you)管(guan)(guan)(guan)(guan)(guan)（Tubing）用于抽油(you)(you)管(guan)(guan)(guan)(guan)(guan)道，當(dang)油(you)(you)、氣井(jing)打(da)好并固(gu)井(jing) 之(zhi)后(hou)，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)，一般可(ke)(ke)重復使(shi)用3次(ci)。鉆桿（Rodstring）、鉆鋌、方(fang) 鉆桿、加重鉆桿均為(wei)鉆具,用于鉆井(jing),可(ke)(ke)重復使(shi)用。一般情況下(xia)，每鉆進1m，約需油(you)(you)井(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。