[1]赵靖康,刘建华,姜立福,等.P油田油井产液规律影响因素分析[J].复杂油气藏,2021,14(02):63-67.[doi:10.16181/j.cnki.fzyqc.2021.02.012]
 ZHAO Jingkang,LIU Jianhua,JIANG Lifu,et al.Analysis of influencing factors on regularity of liquid production in P Oilfield[J].Complex Hydrocarbon Reservoirs,2021,14(02):63-67.[doi:10.16181/j.cnki.fzyqc.2021.02.012]
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P油田油井产液规律影响因素分析
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《复杂油气藏》[ISSN:1674-4667/CN:31-2019/TQ]

卷:
14
期数:
2021年02期
页码:
63-67
栏目:
油气开发
出版日期:
2021-06-25

文章信息/Info

Title:
Analysis of influencing factors on regularity of liquid production in P Oilfield
作者:
赵靖康刘建华姜立福安玉华李媛婷
中海石油(中国)有限公司天津分公司渤海石油研究院,天津 300452
Author(s):
ZHAO JingkangLIU JianhuaJIANG LifuAN YuhuaLI Yuanting
Bohai Oil Research Institute of Tianjin Branch Company,CNOOC,Tianjin 300452,China
关键词:
产液规律高含水岩心粒度微粒运移
Keywords:
law of fluid productionhigh water contentcore granularityparticle migration
分类号:
TE341
DOI:
10.16181/j.cnki.fzyqc.2021.02.012
文献标志码:
A
摘要:
P油田是渤海最大的陆相多层砂岩油藏,含油井段长,单井钻遇油厚度大,历经十多年的注水开发,油田进入中高含水期,油井产液规律与常规油田开发不同,60%以上的油井表现出投产后产液下降,约30%的油井表现出投产后产液量稳定,不足10%的油井随着含水上升产液量增加,对油田高含水期提液增产措施有很大影响。以油田8区为例,通过对不同完井方式、不同含水阶段、酸化措施前后、出砂前后等油井产液规律对比,结合本区评价井岩心粒度分析,认为储层微粒运移堵塞是造成油井产液递减规律的主要原因,为油田改善产液状况提供依据。
Abstract:
P Oilfield is the largest continental multi-layer sandstone reservoir in the Bohai Sea,which has a long oil-bearing section and large drilled oil thickness in each well. After more than a decade of water injection development,the oilfield development has entered a medium-high water-cut period,and the fluid production law of oil wells is different from conventional oilfield development.After oil wells were put into production,more than 60% of oil wells showed a decline in fluid production,about 30% of oil wells showed stable fluid production,and less than 10% of oil wells showed an increase in fluid production with increasing water-cut,which has a great influence on the measures to increase the fluid produced during the high water-cut stage. Taken Block 8 of the oilfield as an example,compared with production laws of oil wells with different completion methods,various water-cut stages,before and after acidizing,before and after sand production,etc.,combined with the analysis of the core particle size of the evaluation wells in this area,it was concluded that the migration and plugging of reservoir particles is the main reason for the decline of fluid production in oil wells,which provides a basis for improving fluid production of oilfields.

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备注/Memo

备注/Memo:
收稿日期:2020-09-25;改回日期:2020-10-29 。
第一作者简介:赵靖康(1973—),高级工程师,现从事油气田开发研究工作。E-mail:zjk4846679@163.com。
更新日期/Last Update: 2021-06-30