[1]张志军,郭梦全,华科良,等.基于洛伦兹曲线的调剖选井方法研究与应用[J].复杂油气藏,2023,16(01):95-99.[doi:10.16181/j.cnki.fzyqc.2023.01.015]
 ZHANG Zhijun,GUO Mengquan,HUA Keliang,et al.Research and application of profile control well selection method based on Lorentz curve[J].Complex Hydrocarbon Reservoirs,2023,16(01):95-99.[doi:10.16181/j.cnki.fzyqc.2023.01.015]
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基于洛伦兹曲线的调剖选井方法研究与应用()
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《复杂油气藏》[ISSN:1674-4667/CN:31-2019/TQ]

卷:
16卷
期数:
2023年01期
页码:
95-99
栏目:
油气开发
出版日期:
2023-03-25

文章信息/Info

Title:
Research and application of profile control well selection method based on Lorentz curve
作者:
张志军郭梦全华科良魏 俊石端胜
中海油能源发展股份有限公司工程技术分公司,天津 300452
Author(s):
ZHANG ZhijunGUO MengquanHUA KeliangWEI JunSHI Duansheng
CNOOC Ener. Tech. Drilling&Production Co., Tianjin 300452, China
关键词:
洛伦兹曲线注水均衡指数测试时间压降速率调剖选井
Keywords:
Lorentz curvewater injection equilibrium indextesting timepressure drop rateprofile control well selection
分类号:
TE341
DOI:
10.16181/j.cnki.fzyqc.2023.01.015
文献标志码:
A
摘要:
针对传统调剖选井决策方法受测试时间影响大且未考虑压降速率等因素影响的问题,提出一种新的调剖选井决策方法——洛伦兹曲线决策法。该方法既考虑了压降速率的差异,又规避了测试时间的影响,同时数值分布范围相对较宽,且有定量化的指标分类标准,能够简单快捷地指导调剖选井。研究表明:洛伦兹曲线越靠近绝对不均衡线,说明注水均衡性越差,对应的注水均衡指数值越大,该井越需要调剖,这与传统决策方法认识一致。矿场应用表明,洛伦兹曲线决策法相较于传统的决策方法,能够直接显示压降曲线所隐藏的下降速率等信息,可更加灵活、准确地指导注入井调剖选井,从而提高决策的准确性。该研究成果为油田调剖选井提供重要的技术支持,可在油田进一步推广应用。
Abstract:
Aiming at the problem that the traditional profile control well selection decision-making method is influenced by test time, and fails to take into account the effect of pressure drop rate and other factors, it is proposed a new profile control well selection decision-making method—the Lorentz curve decision-making method. This method not only considers the difference in pressure drop rate but also avoids the influence of test time. At the same time, the numerical range is relatively wide, and there are quantitative index classification standards, which can guide the well selection for profile control easily and quickly. The research shows that the closer the Lorentz curve is to the absolute imbalance line, the worse the water injection balance is, and the larger the corresponding water injection balance index value, the more the well needs to be profile adjusted, which is consistent with the understanding of traditional decision-making methods. The field applications show that compared with traditional decision-making methods, the Lorentz curve decision-making method can directly display information such as the descent rate hidden in the pressure drop curve, which can guide injection well selection for profile control more flexibly and accurately, thus improving the accuracy of decision-making. The research results provide important technical support for profile control well selection in oilfields and can be further promoted and applied.

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备注/Memo

备注/Memo:
收稿日期:2021-04-30;改回日期:2021-09-27。
第一作者简介:张志军(1989—),硕士,工程师,现从事提高采收率技术研究。E-mail: zhangzhj43@cnooc.com.cn。
基金项目:国家科技重大专项示范工程58“渤海油田高效开发示范工程”(编号2016ZX05058)经费资助。
更新日期/Last Update: 2023-06-01