[1]彭 琴,刘 斌,刘春艳,等.考虑油气水三相流的水平井产能计算新方法[J].复杂油气藏,2023,16(04):444-448.[doi:10.16181/j.cnki.fzyqc.2023.04.013]
 PENG Qin,LIU Bin,LIU Chunyan,et al.A new method for calculating horizontal well productivity considering oil-gas-water three-phase flow[J].Complex Hydrocarbon Reservoirs,2023,16(04):444-448.[doi:10.16181/j.cnki.fzyqc.2023.04.013]
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考虑油气水三相流的水平井产能计算新方法()
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《复杂油气藏》[ISSN:1674-4667/CN:31-2019/TQ]

卷:
16卷
期数:
2023年04期
页码:
444-448
栏目:
油气开发
出版日期:
2023-12-25

文章信息/Info

Title:
A new method for calculating horizontal well productivity considering oil-gas-water three-phase flow
作者:
彭 琴刘 斌刘春艳杨东东郭敬民
中海石油(中国)有限公司天津分公司渤海石油研究院,天津 300459
Author(s):
PENG QinLIU BinLIU ChunyanYANG DongdongGUO Jingmin
Bohai Petroleum Research Institute of Tianjin Branch of CNOOC Ltd.,Tianjin 300459,China
关键词:
底水油藏水平井三相渗流产能计算工作制度
Keywords:
bottom water reservoir horizontal well three-phase seepage productivity calculation working system
分类号:
TE312
DOI:
10.16181/j.cnki.fzyqc.2023.04.013
文献标志码:
A
摘要:
渤海C油田明化镇组以强底水油藏为主,地饱压差小,采用水平井高速开发。该类油藏水平井产能预测需同时考虑含水率上升和脱气的影响,前人研究的水平井产能公式大多只考虑单相流或两相流,鲜少有考虑油气水三相流,对此在Joshi水平井产能一般公式的基础上,将油、气、水三相渗流区进行微元处理,结合流体高压物性参数的拟合函数,推导局部脱气的三相流水平井产能计算公式。该公式在渤海C油田得到很好的实际验证,同时,通过计算不同含水阶段生产压差与日产油关系曲线,得到不同含水阶段水平井脱气对产能的影响程度,为低地饱压差底水油藏水平井产能预测和合理工作制度的确定提供依据。
Abstract:
The Minghuazhen Formation of C Oilfield in Bohai Sea is dominated by strong bottom- water reservoirs with slight ground saturation pressure differences and developed by high-speed horizontal wells. The productivity prediction of horizontal wells in this type reservoir must simultaneously consider the influence of water cut increase and degassing. Most horizontal well productivity formulas studied by previous researchers only consider the single-phase or two-phase flow and rarely consider the three-phase flow of oil,gas,and water. Based on the general formula for horizontal well productivity of Joshi,the three-phase seepage zone of oil,gas,and water is processed by micro-element and combined with the fitting function of fluid high-pressure physical parameters,it is derived from the productivity calculation formula of three-phase flow horizontal well with local degassing. The formula is well verified in the C Oilfield in Bohai Sea. Meanwhile,by calculating the relationship curves between production pressure difference and daily oil production in different water-cut stages,the influence degree of degassing on the productivity of horizontal wells in different water-cut stages is obtained,which provides a basis for the productivity prediction and reasonable working system determination of horizontal wells in low land-saturated pressure difference bottom-water reservoirs.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2023-03-01;改回日期:2023-06-06。
第一作者简介:彭琴(1986—),硕士,工程师,主要从事油气田开发研究工作。E-mail:pengqin@cnooc.com.cn。
基金项目:国家重大专项“渤海油田加密调整及提高采收率油藏工程技术示范”(2016ZX05058001)。
更新日期/Last Update: 2024-02-06