渤海H油田不同夹层模式下剩余油分布规律研究
Research on Remaining Oil Distribution Pattern Under Different Intercalation Patterns of Bohai Oilfield H
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- 引用格式:
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王欣然,李红英,刘,斌,文佳涛,韩雪芳.渤海H油田不同夹层模式下剩余油分布规律研究[J].天然气与石油,2018,36(4):0.doi:
Wang Xinran, Li Hongying, Liu Bin, Wen Jiatao, Han Xuefang Tianjin Branch of CNOOC Ltd..Research on Remaining Oil Distribution Pattern Under Different Intercalation Patterns of Bohai Oilfield H[J].Natural Gas and Oil,2018,36(4):0.doi:
- DOI:
- 作者:
- 王欣然 李红英 刘 斌 文佳涛 韩雪芳
Wang Xinran, Li Hongying, Liu Bin, Wen Jiatao, Han Xuefang Tianjin Branch of CNOOC Ltd.
- 作者单位:
- 中海石油(中国)有限公司天津分公司
Tianjin Branch of CNOOC Ltd.
- 关键词:
- 储层夹层;室内实验;剩余油;矿场试验;海上油田
Reservoir intercalation; Laboratory test; Remaining oil; Field test; Offshore oilfield
- 摘要:
- 为研究渤海H油田主力层系层内夹层分布模式对剩余油分布的影响规律,从而为油田调整挖潜提供有力依据,根据相似原则开展了不同夹层分布模式下的室内岩心水驱油实验,实验结果表明:当注水井钻遇夹层时,在靠近生产井和夹层延伸方向附近区域剩余油较为富集,随夹层分布范围的延长,采油井见水后含水上升速度越慢,驱油效果越好;在采油井钻遇夹层情况下,剩余油集中在靠近生产井流动单元上部区域,夹层对最终采收率影响较小。将研究结果应用于矿场试验,取得了较好的挖潜效果。该研究可为海上同类油田调整挖潜提供借鉴。
In order to study the influence of intercalationdistribution pattern in the mainreservoirof Bohai oilfieldHon the distribution of remaining oil and provide a strong basis for adjusting and tapping the potential of the oilfield, indoor core water flooding experiments under different intercalationdistribution patterns were carried out according to similar principles. The experimental results showedthat when the water injection welldrilled ofthe intercalation, the remaining oilwasrelatively rich in the area near the production well and the interlayer extension direction. With the extension of intercalationdistribution, the slower the water cut risedafter the water breakthrough of the oil production well, the better the oil displacement effectwould be. When theoilproduction welldrilled ofthe intercalation, the remaining oilwas concentrated in the upper area near the flow unit of the production well, and the intercalationhas little influence on the final recovery ratio.The research results were put into field test, and contributed good effect to remaining oil development.It can serve as an important reference for adjustment of similar offshore oilfields.