CORE
🇺🇦
make metadata, not war
Services
Services overview
Explore all CORE services
Access to raw data
API
Dataset
FastSync
Content discovery
Recommender
Discovery
OAI identifiers
OAI Resolver
Managing content
Dashboard
Bespoke contracts
Consultancy services
Support us
Support us
Membership
Sponsorship
Community governance
Advisory Board
Board of supporters
Research network
About
About us
Our mission
Team
Blog
FAQs
Contact us
页岩凝析气藏注气解除反凝析机理的数模研究
Authors
丁玖阁
刘曰武
+3 more
李龙龙
秦星
郑太毅
Publication date
19 November 2022
Publisher
Doi
Abstract
页岩凝析气藏开采过程中,生产井附近形成凝析油区会导致流体流动阻力增加,井筒携液能力降低。CO_2具有粘度较低且容易与原油发生混相的特点,在反凝析治理方面具有显著优势。但受多组分相态机理和复杂缝网影响,注CO_2过程中储层流体流动规律非常复杂,导致页岩储层注CO_2解除反凝析的机理认识不清。对此,本文以涪页10HF井为例,采用离散裂缝模型表征储层裂缝,基于全组分模型开展注CO_2数值模拟研究:建立简单的单裂缝模型,通过数值模拟方法探讨CO_2解除反凝析的机理,评价其注入效果;考虑裂缝间距、主裂缝与次生裂缝导流能力比,建立一系列缝网模型,然后通过数值模拟方法分析CO_2在储层中的流动规律和凝析油区变化规律,探讨裂缝间距和裂缝导流能力等重要裂缝特征参数对解除反凝析效果的影响。基于以上研究,本文阐明了页岩凝析气藏注气解除反凝析的机理,揭示了主要裂缝特征参数对注气效果的影响机制,为反凝析污染治理提供理论指导和借鉴
Similar works
Full text
Available Versions
Institute Of Mechanics,Chinese Academy of Sciences
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:dspace.imech.ac.cn:311007/...
Last time updated on 27/04/2023