Offsetting Water Requirements and Stress with Enhanced Water Recovery from CO<sub>2</sub> Storage

doi:10.2172/1296706

GSTDTAP > 地球科学

DOI	10.2172/1296706
报告编号	LA-UR--16-26021
来源ID	OSTI ID: 1296706
	Offsetting Water Requirements and Stress with Enhanced Water Recovery from CO₂ Storage
	Hunter, Kelsey Anne
	2016-08-04
出版年	2016
页数	10
语种	英语
国家	美国
领域	地球科学
英文摘要	Carbon dioxide (CO₂) capture, utilization, and storage (CCUS) operations ultimately require injecting and storing CO₂ into deep saline aquifers. Reservoir pressure typically rises as CO₂ is injected increasing the cost and risk of CCUS and decreasing viable storage within the formation. Active management of the reservoir pressure through the extraction of brine can reduce the pressurization while providing a number of benefits including increased storage capacity for CO₂, reduced risks linked to reservoir overpressure, and CO₂ plume management. Through enhanced water recovery (EWR), brine within the saline aquifer can be extracted and treated through desalination technologies which could be used to offset the water requirements for thermoelectric power plants or local water needs such as agriculture, or produce a marketable such as lithium through mineral extraction. This paper discusses modeled scenarios of CO₂ injection into the Rock Springs Uplift (RSU) formation in Wyoming with EWR. The Finite Element Heat and Mass Transfer Code (FEHM), developed by Los Alamos National Laboratory (LANL), was used to model CO₂ injection with brine extraction and the corresponding pressure tradeoffs. Scenarios were compared in order to analyze how pressure management through the quantity and location of brine extraction wells can increase CO₂ storage capacity and brine extraction while reducing risks associated with over pressurization. Future research will couple a cost-benefit analysis to these simulations in order to determine if the benefit of subsurface pressure management and increase CO₂ storage capacity can outweigh multiple extraction wells with increased cost of installation and maintenance as well as treatment and/or disposal of the extracted brine.
英文关键词	Earth Sciences
URL	查看原文
来源平台	US Department of Energy (DOE)
引用统计
文献类型	科技报告
条目标识符	http://119.78.100.173/C666/handle/2XK7JSWQ/7324
专题	地球科学
推荐引用方式 GB/T 7714	Hunter, Kelsey Anne. Offsetting Water Requirements and Stress with Enhanced Water Recovery from CO₂ Storage,2016.