文章來源:中國石油(you)天然氣集團公司 發布時間:2018-03-03
2月28日,冀東油田南(nan)堡2-3平(ping)臺南(nan)堡23-2130井(jing)(jing)順利完井(jing)(jing),鉆完井(jing)(jing)周期(qi)(qi)為13.83天(tian),比(bi)同(tong)區(qu)塊同(tong)類型井(jing)(jing)周期(qi)(qi)縮短4.46天(tian),再次(ci)刷新南(nan)堡2-3平(ping)臺鉆完井(jing)(jing)周期(qi)(qi)紀(ji)錄。
南堡23-2130井(jing)(jing)(jing)(jing)(jing)(jing)完鉆(zhan)井(jing)(jing)(jing)(jing)(jing)(jing)深(shen)2880米,最大(da)井(jing)(jing)(jing)(jing)(jing)(jing)斜49.2度,水(shui)平(ping)位(wei)移1259.52米。該井(jing)(jing)(jing)(jing)(jing)(jing)在井(jing)(jing)(jing)(jing)(jing)(jing)深(shen)1170米左右鉆(zhan)遇斷層,1696—2290米進行降(jiang)斜扭方(fang)位(wei)施(shi)(shi)(shi)工(gong)(gong),存在井(jing)(jing)(jing)(jing)(jing)(jing)眼清潔(jie)困難、摩阻(zu)扭矩大(da)、井(jing)(jing)(jing)(jing)(jing)(jing)漏風(feng)險大(da)、三維井(jing)(jing)(jing)(jing)(jing)(jing)眼定向拖壓嚴(yan)重和無法(fa)實現(xian)定向等(deng)諸(zhu)多難題。為(wei)解決這些困難,冀(ji)東(dong)油(you)田勘(kan)探開發(fa)建設工(gong)(gong)程事業(ye)部提前(qian)介入,開鉆(zhan)前(qian)精細(xi)開展鉆(zhan)井(jing)(jing)(jing)(jing)(jing)(jing)方(fang)案論(lun)證工(gong)(gong)作,針(zhen)對鉆(zhan)井(jing)(jing)(jing)(jing)(jing)(jing)施(shi)(shi)(shi)工(gong)(gong)難點,制定針(zhen)對性技術措施(shi)(shi)(shi),保障鉆(zhan)井(jing)(jing)(jing)(jing)(jing)(jing)施(shi)(shi)(shi)工(gong)(gong)順(shun)利進行。
冀東油田(tian)鉆井(jing)工(gong)程(cheng)技(ji)術人(ren)員通過對比(bi)鄰井(jing)資料,優化鉆頭(tou)選型和鉆具組合(he),分(fen)析地層(ceng)傾角(jiao)走向和軌跡漂移規(gui)律,嚴(yan)把(ba)泥漿(jiang)潤滑及電阻(zu)率等性(xing)能指標,大力(li)推(tui)進(jin)復合(he)鉆技(ji)術。此(ci)外,根據(ju)區域速度周期指標,制定指標對標,生產運(yun)行計劃精細到(dao)天。通過一系(xi)列(lie)有針對性(xing)措施的落實(shi),南堡23-2130井(jing)二(er)開鉆進(jin),實(shi)現(xian)“一趟鉆”施工(gong),完成進(jin)尺2374米,達到(dao)井(jing)眼軌跡要求。完井(jing)過程(cheng)中,這(zhe)個油田(tian)提前組織完井(jing)物(wu)資和施工(gong)隊到(dao)位,確(que)保(bao)各施工(gong)環(huan)節無(wu)縫銜接,最終順利完成測井(jing)和固井(jing)施工(gong),優質(zhi)交井(jing)。