[1]尚宝兵,李俊飞,方　涛,等.海上筛管防砂失效井出砂位置预测及治理对策研究[J].复杂油气藏,2021,14(02):108-110.[doi:10.16181/j.cnki.fzyqc.2021.02.021]
　SHANG Baobing,LI Junfei,FANG Tao,et al.Research on prediction of sand production position and treatment countermeasures for offshore screen sand control failure wells[J].Complex Hydrocarbon Reservoirs,2021,14(02):108-110.[doi:10.16181/j.cnki.fzyqc.2021.02.021]
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海上筛管防砂失效井出砂位置预测及治理对策研究
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《复杂油气藏》[ISSN:1674-4667/CN:31-2019/TQ]

卷:
14卷
期数:
2021年02期
页码:
108-110
栏目:
油气工程
出版日期:
2021-06-25

文章信息/Info

Title:
Research on prediction of sand production position and treatment countermeasures for offshore screen sand control failure wells
作者:
尚宝兵; 李俊飞; 方　涛; 李　越; 于法浩
中海石油（中国）有限公司天津分公司，天津 塘沽300452
Author(s):
SHANG Baobing; LI Junfei; FANG Tao; LI Yue; YU Fahao
Tianjin Branch of CNOOC Ltd，Tianjin 300452，China
关键词:
水平井; 出砂; 产液剖面; 中心管; 治理
Keywords:
horizontal well; sand production; production profile; central tube; sand management
分类号:
TE35　
DOI:
10.16181/j.cnki.fzyqc.2021.02.021
文献标志码:
A
摘要:
水平井由于泄油面积大、产量高，在渤海海上油田获得了广泛应用。渤海K油田A3H井是一口底水油藏水平井，采用优质筛管防砂，生产过程中由于防砂筛管破裂，导致油井出砂，产量不断降低，面临停产的风险，需要预测水平段出砂位置并进行出砂治理，从而快速恢复产能。基于油藏渗流理论，根据镜像反映和质量守恒原理推导出地层中的势分布，据此得到了水平井的产液剖面。根据计算的该水平井高产液段分布并综合分析冲蚀等因素的影响，得到了该井的出砂段位置。针对该井在水平段设计下入带生产滑套的中心管丢手管柱，中心管通过封隔器实现三段分采功能，通过关闭出砂段的滑套达到防止地层出砂的目的。该井作业后恢复到正常产能且不再出砂，有效提高了经济效益，其治理对策可供其他类似水平井借鉴。
Abstract:
Horizontal wells have been widely used in Bohai offshore oilfield due to their large drainage area and high production. The Well A3H in Bohai K Oilfield is a horizontal well in a bottom water reservoir，where high-quality screens are adopted to control sand. During the production process，due to the broken sand control screen，the oil well was sanded，and the output was continuously reduced.It faced the risk of production shutdown.It was necessary to predict the location of sand production in the horizontal section，and perform sand production control，to quickly recover production capacity. Based on the theory of reservoir percolation，the potential distribution in the formation was deduced according to the principles of mirror image reflection and mass conservation，and the liquid production profile of the horizontal well was obtained accordingly. Based on the calculated distribution of the high-yield fluid section of the horizontal well and the comprehensive analysis of the influence of factors such as erosion，it was obtained the location of the sand-producing section of the well. For this well，a central pipe with a production sliding sleeve was inserted in the horizontal section of the well. And then the three-stage separation function of the central pipe was realized through a packer，and the sliding sleeve of the sand production section was closed to prevent sand production in the formation.After the well was operated，it returned to normal productivity and no longer produced sand，which effectively improved economic benefits. The sand production control strategy can be used as a reference for other similar horizontal wells.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2020-06-16；改回日期：2020-08-21。
第一作者简介：尚宝兵（1988—），工程师，从事采油工程设计、防砂控水设计等相关研究工作。E-mail：shangbb@cnooc.com.cn。
基金项目：“十三五”国家科技重大专项（2016ZX05058-003）。
更新日期/Last Update: 2021-06-30