中石油冀東南堡2-3平臺刷新鉆完井紀錄
中石油冀東南堡2-3平臺刷新鉆完井紀錄

文章來源:中國石油天然氣(qi)集團公(gong)司 發布時(shi)間:2018-03-03
2月28日,冀(ji)東油田南(nan)堡2-3平臺(tai)南(nan)堡23-2130井(jing)(jing)順利(li)完井(jing)(jing),鉆完井(jing)(jing)周期為(wei)13.83天,比同區塊同類型井(jing)(jing)周期縮短4.46天,再(zai)次刷新南(nan)堡2-3平臺(tai)鉆完井(jing)(jing)周期紀(ji)錄(lu)。
南(nan)堡(bao)23-2130井完鉆井深2880米,最大(da)井斜49.2度,水平位移(yi)1259.52米。該井在井深1170米左右鉆遇斷層(ceng),1696—2290米進行(xing)降斜扭(niu)方位施(shi)(shi)工(gong)(gong),存在井眼清潔困難、摩阻扭(niu)矩(ju)大(da)、井漏風險大(da)、三維(wei)井眼定(ding)向(xiang)拖(tuo)壓嚴重(zhong)和無法實現定(ding)向(xiang)等(deng)諸多難題。為解決(jue)這(zhe)些(xie)困難,冀(ji)東(dong)油田勘(kan)探開發建設工(gong)(gong)程事業部提前(qian)介入,開鉆前(qian)精細開展鉆井方案論(lun)證工(gong)(gong)作(zuo),針對(dui)(dui)鉆井施(shi)(shi)工(gong)(gong)難點,制定(ding)針對(dui)(dui)性技術措施(shi)(shi),保(bao)障鉆井施(shi)(shi)工(gong)(gong)順利進行(xing)。
冀(ji)東油田鉆(zhan)(zhan)井(jing)(jing)(jing)工(gong)(gong)程技術(shu)人員通過對(dui)比(bi)鄰井(jing)(jing)(jing)資料,優化(hua)鉆(zhan)(zhan)頭選型和鉆(zhan)(zhan)具組合,分析地層傾角走向和軌跡漂移規律,嚴(yan)把泥漿潤滑及電阻率(lv)等性能指標(biao),大力推進(jin)復(fu)合鉆(zhan)(zhan)技術(shu)。此外,根據區(qu)域速(su)度周期指標(biao),制定指標(biao)對(dui)標(biao),生產運(yun)行計(ji)劃精細(xi)到天。通過一系列有(you)針對(dui)性措施(shi)的(de)落實(shi),南堡(bao)23-2130井(jing)(jing)(jing)二開鉆(zhan)(zhan)進(jin),實(shi)現“一趟鉆(zhan)(zhan)”施(shi)工(gong)(gong),完(wan)成進(jin)尺2374米,達到井(jing)(jing)(jing)眼軌跡要求。完(wan)井(jing)(jing)(jing)過程中,這個油田提前組織完(wan)井(jing)(jing)(jing)物(wu)資和施(shi)工(gong)(gong)隊到位,確保各施(shi)工(gong)(gong)環節無縫銜接,最終順(shun)利完(wan)成測井(jing)(jing)(jing)和固井(jing)(jing)(jing)施(shi)工(gong)(gong),優質交井(jing)(jing)(jing)。