[1]张志军,张维易,魏 俊,等.基于物性及压降速率的新型压力指数研究与应用[J].复杂油气藏,2021,14(04):74-78.[doi:10.16181/j.cnki.fzyqc.2021.04.012]
 ZHANG Zhijun,ZHANG Weiyi,WEI Jun,et al.Research and application of a new pressure index based on physical properties and pressure drop rate[J].Complex Hydrocarbon Reservoirs,2021,14(04):74-78.[doi:10.16181/j.cnki.fzyqc.2021.04.012]
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基于物性及压降速率的新型压力指数研究与应用()
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《复杂油气藏》[ISSN:1674-4667/CN:31-2019/TQ]

卷:
14卷
期数:
2021年04期
页码:
74-78
栏目:
油气开发
出版日期:
2021-12-25

文章信息/Info

Title:
Research and application of a new pressure index based on physical properties and pressure drop rate
作者:
张志军张维易魏 俊华科良李 芳徐 浩
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 ZhijunZHANG WeiyiWEI JunHUA KeliangLI FangXU Hao
CNOOC Ener. Tech. Drilling&Production Co.,Tianjin 300452,China
关键词:
新型压力指数储层物性压降速率调剖选井
Keywords:
new pressure indexreservoir physical propertypressure drop rate profile control well selection
分类号:
TE341
DOI:
10.16181/j.cnki.fzyqc.2021.04.012
文献标志码:
A
摘要:
针对传统PI决策技术和FD决策技术在调剖选井决策中考虑参数过于简单且区分度小、可比性差等带来的调剖选井误差问题,提出一种新型压力指数以指导调剖选井决策。新型压力指数既考虑了储层及流体物性,又考虑了压降速率,同时规避了关井时间和关井前排量带来的影响,从而有效规避常规压力指数PI、充满度FD及已有成果中的计算复杂性,能够更加准确地指导调剖选井。研究表明:新型压力指数既考虑了储层物性、注入流体黏度,又考虑了注入井压降速率及PI值,能够更加准确地反映注入井的压力传播能力。矿场应用结果表明,新型压力指数的决策结果相较于传统的PI决策和FD决策方法,能更灵活、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了重要的技术支持。
Abstract:
Aiming at the problem of profile control and well selection errors caused by the traditional PI decision-making technology and FD decision-making technology in the decision-making of profile control and selection of wells,a new type of pressure index is proposed to guide the selection decision of profile control well. The new pressure index not only considers the physical properties of the reservoir and fluid,but also the pressure drop rate,while avoiding the impact of shut-in time and displacement before shut-in,thereby effectively avoiding the conventional pressure index PI,fullness FD,and existing computational complexity in the results,so it can more accurately guide profile control and well selection. The research results show that the new pressure index not only considers the physical properties of the reservoir and the viscosity of the injected fluid,but also the injection well pressure drop rate and PI value,and can more accurately reflect the pressure propagation capability of the injection well. Field application results show that compared with the traditional PI and FD decision-making methods,the decision-making results of the new pressure index can guide injection well profile control and selection more flexibly and accurately,thereby improving the accuracy of decision-making. The research results provide important technical support for profile control and well selection in oilfields.

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备注/Memo

备注/Memo:
收稿日期:2021-02-02;改回日期:2021-03-29。
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。E-mail: zhangzhj43@cnooc.com.cn。
基金项目:国家科技重大专项示范工程“渤海油田高效开发示范工程”(编号2016ZX05058)。
更新日期/Last Update: 1900-01-01