基于地质储层特征的注水开发可行性分析

IF 0.6 4区 工程技术 Q4 ENERGY & FUELS Chemistry and Technology of Fuels and Oils Pub Date : 2024-07-19 DOI:10.1007/s10553-024-01732-8
Jiangshan Li, Ceji Qu, Tinghao Zong, Hao Li
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引用次数: 0

摘要

地质储层特征是评价注水开发可行性的重要手段。不同地区储层特征的差异,使得注水开发参数的推广难以成规模。更有效的方法是建立适合本地区的高效注水开发方法和策略。因此,根据吴仓堡长6、长9油藏的地质特征,从层间物质含量、储层亲水性、应力敏感性等几个方面分析了吴仓堡油藏注水开发的可行性。分别采用表观流量法、渗透率与单井产能回归法、地层系列曲线回归法等方法计算了五仓堡长 6 和长 9 单井的注水参数。根据单井产量得出注水参数。结果表明,吴仓堡长 6 号和长 9 号储层在砂岩胶结、储层流体性质、润湿性和水淹效率等方面具有良好的注水可行性和前景;长 6 号单井产量为 1.5-4.0 t/d,长 9 号单井产量为 2.0-4.5 t/d。根据注采平衡,吴仓堡长 6 层初始单井注采量为 10 m3,长 9 层初始单井注采量为 20 m3,以最大限度地提高油藏在枯水期或低截水期的采收率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Feasibility Analysis of Water Injection Development Based on Geological Reservoir Characteristics

The characteristics of geological reservoirs are an important means to evaluate the feasibility of water injection development. The differences in reservoir characteristics in different regions make it difficult to scale up the promotion of water injection development parameters. A more effective way is to establish efficient water injection development methods and strategies suitable for the region. Therefore, based on the geological characteristics of the Wucangbao Chang 6 and Chang 9 oil reservoirs, the feasibility of water injection development in Wucangbao reservoir is analyzed from several aspects such as interstitial material content, reservoir hydrophilicity, and stress sensitivity. The water injection parameters of Wucangbao Chang 6 and Chang 9 single wells are calculated using methods such as apparent flow rate method, permeability and single well productivity regression method, and stratigraphic series curve regression method, respectively. The water injection parameters are obtained based on the single well production. The results show that the Wucangbao Chang 6 and Chang 9 reservoirs have good water injection feasibility and prospects in terms of sandstone cement, reservoir fluid properties, wettability, and water flooding efficiency; And the production of single well Chang 6 is 1.5-4.0 t/d, while the production of single well Chang 9 is 2.0-4.5 t/d; According to the injection production balance, the initial single well injection volume of the Wucangbao Chang 6 layer is 10 m3, and the initial single well injection volume of the Chang 9 layer is 20 m3, in order to maximize the recovery rate of the reservoir during the dry or low water cut period.

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来源期刊
Chemistry and Technology of Fuels and Oils
Chemistry and Technology of Fuels and Oils 工程技术-工程:化工
CiteScore
0.90
自引率
16.70%
发文量
119
审稿时长
1.0 months
期刊介绍: Chemistry and Technology of Fuels and Oils publishes reports on improvements in the processing of petroleum and natural gas and cracking and refining techniques for the production of high-quality fuels, oils, greases, specialty fluids, additives and synthetics. The journal includes timely articles on the demulsification, desalting, and desulfurizing of crude oil; new flow plans for refineries; platforming, isomerization, catalytic reforming, and alkylation processes for obtaining aromatic hydrocarbons and high-octane gasoline; methods of producing ethylene, acetylene, benzene, acids, alcohols, esters, and other compounds from petroleum, as well as hydrogen from natural gas and liquid products.
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