复杂断块油田特高含水期实现持续稳产的做法

胜利油田临盘采油厂目前开发动用临盘、商河、临南三个油田,区域构造位于渤海湾盆地济阳坳陷惠民凹陷中央隆起带。“九五”末期由于油田相继进入特高含水期,剩余油分布复杂、断块破碎、油水井套损严重、注采完善程度低,造成油田产量连续三年下降。针对严峻的开发形势,进入“十五”以后,通过深化油藏构造、储层、剩余油潜力的研究,强化注采井网的完善。提高了水驱控制程度,增强油田稳产基础,提高采收率。全厂连续三年原油年产量连续稳定在163×104t,取得较好的开发效果和经济效益。

Methods of Stable Production of Complex Fault - Block Oilfield in the period of Special High Water Cut

Linpan oilfield is located in the central uplift belt of huimin sag,jiyang depression,bohai bay basin.By the end of Nine-Five period,three oilfields,such as Linpan,Shanghe and Linnan,have been produced officially.The oilfields have entered special high water-cut period.Complex residual oil distribution,small fault block,serious broken casing of oil wells and water-injection wells and low injection-production pattern have made production of oilfield decrease in the near three years.For the serious development status,by the research on structure,reservoir characteristic and residual oil potential,injection-production pattern has been improved;water drive control has been increased;the base of oilfield stable production has been enhanced;oil recovery of oil field has been improved.Oil production of all the oilfields has been remained 1,630,000 tons in the three years.The oilfield production effect has been improved and the evident economy benefit has been acquired.