本文選題：雙河油田 + 三元復(fù)合驅(qū)��； 參考：《大慶石油地質(zhì)與開(kāi)發(fā)》2017年06期

【摘要】：河南雙河油田綜合含水高達(dá)95.2%,采收率高達(dá)45.8%,已接近開(kāi)發(fā)極限。為改善高含水、高采出程度油藏開(kāi)發(fā)效果,2010年在雙河油田Ⅳ5-11層系開(kāi)展弱堿三元復(fù)合驅(qū)油先導(dǎo)性礦場(chǎng)試驗(yàn)。試驗(yàn)表明,弱堿三元復(fù)合體系與油層及流體有較好的配伍性,不會(huì)造成對(duì)地面流程及油層的傷害。實(shí)施三元復(fù)合驅(qū)后,雙河油田IV5-11層系綜合含水率由97.8%下降到91.6%,產(chǎn)油量由38.8 t/d上升到166.3 t/d,試驗(yàn)區(qū)已累計(jì)增油23.73×104t。實(shí)踐證明弱堿三元復(fù)合體系可以大幅度提高"雙高"油藏采收率。
[Abstract]:The comprehensive water cut of Shuanghe Oilfield in Henan Province is up to 95.2% and the recovery rate is up to 45.8%, which is close to the limit of development. In order to improve the development effect of reservoirs with high water cut and high recovery degree, pilot tests of weak alkali ASP flooding were carried out in Shuanghe Oilfield 鈪，

本文編號(hào)：1865179