关于优化CO2泡辅助气体管道控制在狭窄水库中的实验和数值研究:地质影响
Feng Yao1, Xingguang Zhou1, Tianci Zhang1
1Petroleum Engineering Technology Research Institute of Jiangsu Oilfield Company, SINOPEC, Yangzhou 225091, China.
ACS omega
|August 18, 2025
概括
二氧化碳 (CO2) 泡泛滥增强了紧密的油库中的石油回收,但面临着气体运输的挑战. 这项研究优化了二氧化碳泡注射策略,以改善泡稳定性和控制道,以便更好地回收石油和封存碳.
科学领域:
- 石油工程是石油工程中的一个.
- 储水库工程 储水库工程
- 增强的石油回收 (EOR)
背景情况:
- 碳中和目标推动了人们对利用二氧化碳进行石油回收和封存的兴趣.
- 低透度和紧密的储对传统的EOR方法构成挑战.
- 用二氧化碳淹没泡提供了潜在的好处,但由于泡的不稳定性和气体通道而受到限制.
研究的目的:
- 为了研究不同的泡剂在紧密的多孔介质中的泡性能.
- 优化二氧化碳泡注入策略,以提高石油回收和二氧化碳封存.
- 在各种地质条件下评估泡辅助气体通道控制的有效性.
主要方法:
- 进行了核心洪水测试,以评估泡在狭窄的多孔介质中的性能.
- 储规模优化研究的重点是泡注入策略.
- 对地质异质性对二氧化碳泡性能影响的分析.
主要成果:
- 确定了地质异质性对二氧化碳泡性能的影响.
- 证明了优化的泡注射策略在控制气体通道的有效性.
- 提供了关于泡稳定性和在低透性水库中的性能的见解.
结论:
- 优化的二氧化碳泡注入策略可以减轻紧密的储中的气体通道.
- 基于泡的EOR和CO2捕捉对于具有低透性的形成是可行的.
- 这项研究为综合石油回收和碳管理提供了理论和技术支持.
相关概念视频
Turbulent Flow: Problem Solving
184
Carbonation is a process used to dissolve carbon dioxide gas in a liquid, commonly used in the production of carbonated beverages. Achieving efficient carbonation requires careful control of temperature, pressure, and flow conditions. By adjusting these parameters, carbonation efficiency can be maximized, producing a higher concentration of CO2 in the liquid.
Temperature is a key factor in CO2 solubility. In this case, the CO2 gas and the liquid are cooled to 20°C. Lower temperatures...
Temperature is a key factor in CO2 solubility. In this case, the CO2 gas and the liquid are cooled to 20°C. Lower temperatures...
184
Energy Considerations in Open Channel Flow
171
Open channel flow, where a fluid flows with a free surface exposed to the atmosphere, is primarily governed by gravitational and surface effects, distinguishing it from closed conduit or pipe flow. In open channels such as rivers, canals, and artificial channels, energy analysis provides valuable insights into flow behavior and the relationship between depth, velocity, and slope.Specific Energy and Flow DepthIn open channel flow, the specific energy, E, combines the gravitational potential...
171
Uniform Depth Channel Flow: Problem Solving
125
To calculate the flow rate for a trapezoidal channel, first, identify the bottom width, side slope, and flow depth of the channel. The cross-sectional area (A) corresponding to the depth of flow (y), channel bottom width (B), and side slope (θ) is determined by:Next, calculate the wetted perimeter, which includes the bottom width and the sloped side lengths in contact with the water. Using the values of the cross-sectional area and the wetted perimeter, determine the hydraulic radius by...
125
Uniform Depth Channel Flow
144
Uniform depth channel flow keeps fluid depth consistent along channels such as irrigation canals. In natural channels, such as rivers, approximate uniform flow is often assumed. This condition occurs when the channel’s bottom slope matches the energy slope, balancing potential energy lost from gravity with head loss due to shear stress. This balance prevents depth changes along the channel length, resulting in a steady, uniform flow.Uniform flow in open channels with a constant cross-section...
144


