文章(zhang)來源(yuan):國家開發投(tou)資(zi)集團有限(xian)公(gong)司 發布時間(jian):2022-04-19
4月7日(ri),國(guo)投重慶(qing)頁巖(yan)(yan)(yan)氣(qi)開(kai)發(fa)(fa)利用有(you)限(xian)公(gong)司(si)投資(zi)的重慶(qing)頁巖(yan)(yan)(yan)氣(qi)勘探開(kai)發(fa)(fa)有(you)限(xian)責任(ren)公(gong)司(si)(以下(xia)簡稱(cheng)重慶(qing)頁巖(yan)(yan)(yan)氣(qi)公(gong)司(si))布置在渝(yu)西區塊的足203H2-1井(jing)順利完鉆(zhan),完鉆(zhan)井(jing)深(shen)7318米,垂深(shen)4306.84米,水平段(duan)長(chang)2852米,創我(wo)國(guo)頁巖(yan)(yan)(yan)氣(qi)井(jing)深(shen)最深(shen)和(he)深(shen)層頁巖(yan)(yan)(yan)氣(qi)水平段(duan)最長(chang)兩(liang)項新紀錄(lu)。
足203H2-1井(jing)既是(shi)作為(wei)試采評(ping)價井(jing),也(ye)是(shi)開展高產井(jing)培育技(ji)術攻(gong)關的重(zhong)點(dian)井(jing)。針對該井(jing)目的層埋藏深、溫(wen)度高、鉑金靶(ba)體(ti)厚度薄等一系列難點(dian),重(zhong)慶頁巖(yan)氣公司成立(li)地質(zhi)、工(gong)(gong)程、導向等多個專(zhuan)業現場工(gong)(gong)作組(zu),嚴格落實(shi)“地質(zhi)工(gong)(gong)程一體(ti)化”要求,優化鉆具組(zu)合和鉆井(jing)參數,優選地質(zhi)導向工(gong)(gong)具和高效鉆頭,應用鉆井(jing)液地面降溫(wen)技(ji)術等措施,確保該井(jing)順利(li)完鉆。
該井的順利完鉆,標志著渝(yu)西區(qu)塊頁巖(yan)氣(qi)高產井培育技術(shu)攻關取得(de)階段性突破,為渝(yu)西區(qu)塊頁巖(yan)氣(qi)增(zeng)儲上產奠定了堅實基礎。
【責任(ren)編輯:趙藝涵】