[1]黄易泽,杨蓉.利用注水井压降资料认识地层水驱规律指导实施堵水调驱措施[J].油气井测试,2021,30(02):44-50.[doi:10.19680/j.cnki.1004-4388.2021.02.009]
　HUANG Yize,YANG Rong.Using the pressure drop data of injectors to understand the formation water drive law and guide the implementation of water plugging and profile control measures[J].Well Testing,2021,30(02):44-50.[doi:10.19680/j.cnki.1004-4388.2021.02.009]
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利用注水井压降资料认识地层水驱规律指导实施堵水调驱措施()
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《油气井测试》[ISSN:1006-6977/CN:12-1485/TE]

卷:
30卷
期数:
2021年02期
页码:
44-50
栏目:
出版日期:
2021-04-25

文章信息/Info

Title:
Using the pressure drop data of injectors to understand the formation water drive law and guide the implementation of water plugging and profile control measures
文章编号:
1004-4388(2021)02-0044-07
作者:
黄易泽; 杨蓉
中国石油长庆油田分公司第一采油厂  陕西延安  716000
通信作者 Email：huxhu.syky@sinopec.com
Author(s):
HUANG Yize;  YANG Rong
 First Oil Production Plant, PetroChina Changqing Oilfield Company, Yan′an, Shannxi 716000，China
关键词:
 ; 安塞油田; 特低渗油藏; 注水井; 压降试井; 水驱特征; 堵水调驱; 含水率
Keywords:
 ; Ansai Oilfield;  ultralow permeability reservoir;  water injection well;  pressure drop test;  water drive characteristics;  water plugging and profile control;  water cut
分类号:
TE353
DOI:
10.19680/j.cnki.1004-4388.2021.02.009
文献标志码:
B
摘要:
 安塞油田三叠系油藏天然微裂缝发育，平面非均质性强，注入水沿高渗条带驱替突进，优势渗流方向油井含水上升快，侧向油井见效程度低，亟需堵水调驱提高水驱效率。利用注水井压降资料双对数曲线模型和特征，可准确认识注入水的地层水驱规律；将水驱规律、注采对应关系和生产动态相结合，可有效指导注水井的堵水调驱措施实施。经实例井组堵水措施前后测试资料的对比分析，地层平面水驱不均矛盾得到了改善，有效控制了油井含水上升，提高了注入水的水驱效率，取得了较好的控水稳油及增油效果。利用注水井压降资料认识地层水驱规律，可为油田控水稳油措施提供准确的分析依据。
Abstract:
 The triassic reservoirs in Ansai Oilfield have developed natural microfractures with strong plane heterogeneity. When the injected water flows along the highpermeability zone, the water cut of the oil well in the dominant seepage direction increases rapidly, and the lateral oil well has low efficiency, so it is necessary to block water and improve the water drive efficiency. By using the double logarithmic curve model and characteristics of pressure drop data of water injection wells, the formation water drive law of injected water can be accurately summarized; In addition, the combination of water drive law, injectionproduction relationship and production performance can effectively guide the implementation of water plugging and displacement control measures for water injection wells. Through the comparative analysis of the test data before and after the water plugging measures of the example well group, it is found that the uneven water drive contradiction in the formation plane has been improved, the rise of the water cut of the oil well has been effectively controlled, and the water drive efficiency of the injected water has been improved. The effect of stabilizing oil production by water injection controlling and increasing oil production has been obviously improved. The pressure drop data of water injection well can provide accurate analysis basis for controlling water and stabilizing oil production.

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备注/Memo

备注/Memo:
 2020-05-14收稿，2021-03-01修回，2021-03-11接受，2021-04-20 网络版发表
黄易泽，男，1992年出生，助理工程师，2015年毕业于中国矿业大学银川学院资源勘查工程专业，主要从事油田开发试井解释工作。电话：029-86508259；Email：hwk_cq@petrochina.com.cn 。通信地址：陕西省延安市河庄坪镇第一采油厂，邮政编码：716000。
更新日期/Last Update: 2021-05-10