潜山油气藏地质工程一体化数值模拟方法及应用

王涛; 肖阳; 樊爱彬; 包小龙; 夏瀚涛; 王家豪; 丁玲玲; 唐毅

doi:10.3969/j.issn.1006-6535.2025.06.016

特种油气藏 >

2025 , Vol. 32 >Issue 6: 133 - 140

DOI: https://doi.org/10.3969/j.issn.1006-6535.2025.06.016

钻采工程

潜山油气藏地质工程一体化数值模拟方法及应用

王涛 ,
肖阳 ,
樊爱彬 ,
包小龙 ,
夏瀚涛 ,
王家豪 ,
丁玲玲 ,
唐毅

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1.中海油田服务股份有限公司,天津 300450;
2.成都理工大学,四川成都 610059;
3.成都理工阳光能源科技有限公司,四川成都 610059;
4.中国石油西南油气田分公司开发事业部,四川成都 610000;
5.中海石油中国有限公司深圳分公司,广东深圳 518000

王涛(1983—),男,高级工程师,2006年毕业于中国石油大学(北京)石油工程专业,2009年毕业于该校油气田开发工程专业,获硕士学位,现从事油气田开发方面的研究工作。

收稿日期: 2024-08-11

修回日期: 2025-09-15

网络出版日期: 2025-12-31

基金资助

四川省自然科学基金“致密储层地质工程一体化动态人工裂缝评价方法研究”(2023NSFSC0426)

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Integrated geo-engineering numerical simulation methods and applications for buried-hill oil and gas reservoirs

WANG Tao ,
XIAO Yang ,
FAN Aibin ,
BAO Xiaolong ,
XIA Hantao ,
WANG Jiahao ,
DING Lingling ,
TANG Yi

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1. China Oilfield Services Ltd.,Tianjin 300450,China;
2. Chengdu University of Technology,Chengdu,Sichuan 610059,China;
3. Chengdu Technology Sun Energy Technology Co.,Ltd.,Chengdu,Sichuan 610059,China;
4. Development Department of Southwest Oil and Gas Field Company,PetroChina,Chengdu,Sichuan 610000,China;
5. Shenzhen Branch of CNOOC Ltd.,Shenzhen,Guangdong 518000,China

Received date: 2024-08-11

Revised date: 2025-09-15

Online published: 2025-12-31

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摘要

南海某区块是南海东部油气田的主力开发产区,其主力产层前古近系潜山储层存在地质情况复杂、改造难度大和相关研究资料较少等问题。为提高开发效果,在潜山储层地质模型的基础上,基于地质工程一体化研究思路和深部成岩理论,开展深层成岩环境和应力-应变响应特征分析以及地质力学建模研究,建立多场耦合的人工缝网模型和非结构化网格的油藏产能数值模拟模型,模拟分析相关工程参数对水力裂缝几何性质和改造效果的影响,对相关工程参数进行优化。研究表明:基于深部成岩理论的地质力学建模方法能有效还原储层真实成岩环境,直接体现排量、液量、砂比等相关参数和压裂后油气井产能的直接关系,其中,排量最优值为5~6 m³/min,压裂液量最优值为600~650 m³,砂比最优值为11%~15%。地质工程一体化的研究方法能够充分和准确地还原复杂研究区块的真实储层特征,对于非常规储层的改造和开发具有重要意义。

关键词： 潜山储层; 地质工程一体化; 非结构化网格; 压裂; 产能; 数值模拟

本文引用格式

王涛 , 肖阳 , 樊爱彬 , 包小龙 , 夏瀚涛 , 王家豪 , 丁玲玲 , 唐毅 . 潜山油气藏地质工程一体化数值模拟方法及应用[J]. 特种油气藏, 2025 , 32(6) : 133 -140 . DOI: 10.3969/j.issn.1006-6535.2025.06.016

Abstract

A block in the South China Sea is a major development area for the eastern South China Sea Oilfield.Its principal reservoir-a Pre Paleogene buried-hill formation-presents complex geology,challenging stimulation,and limited research data.To improve development efficiency,an integrated geo-engineering research approach was adopted,combined with deep diagenesis theory on the existing geological model of the buried-hill reservoir.And an analysis was made on the deep diagenetic environment,stress-strain response characteristics,and geological-mechanical modeling research was conducted.A multi field coupled artificial fracture network model and an unstructured grid reservoir productivity simulation model were developed to simulate and analyze how engineering parameters affected the geometry of hydraulic fractures and production performance,allowing optimization of these parameters.The results showed that the geological mechanical modeling method based on deep diagenesis theory could effectively restore the reservoir′s true diagenetic environment and clearly quantify the relationships between injection parameters (injection volume,fluid volume, proppant concentration)and post-fracture well productivity.The optimal values were found to be a rate of 5-6 m³/min,a fluid volume of 600-650 m³,and a proppant concentration of 11%-15%.The integrated geo-engineering approach could fully and accurately recover the actual reservoir characteristics of this complex block,which has significant implications for stimulation and development of unconventional reservoirs.

Key words： buried-hill reservoir; integrated geo-engineering; unstructured network; fracturing; productivity; numerical simulation

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