DOI: 10.1016/j.jcou.2014.12.007
Scopus记录号: 2-s2.0-84941935135
论文题名: Key techniques of reservoir engineering and injection-production process for CO2 flooding in China's SINOPEC Shengli Oilfield
作者: Lv G. ; Li Q. ; Wang S. ; Li X.
刊名: Journal of CO2 Utilization
ISSN: 22129820
出版年: 2015
卷: 11 起始页码: 31
结束页码: 40
语种: 英语
英文关键词: CCUS
; CO2-EOR
; Collaborative optimization
; Injection/production string
; SINOPEC Shengli Oilfield
Scopus关键词: Beaches
; Carbon dioxide
; Enhanced recovery
; Floods
; Geology
; Oil fields
; Oil shale
; Oil well flooding
; Petroleum reservoirs
; Reservoirs (water)
; Sand
; Seismology
; Water injection
; Well flooding
; CCUS
; Collaborative optimization
; Engineering optimization
; Geological characteristics
; Qualitative evaluations
; Reservoir heterogeneity
; Shengli Oilfield
; Super low permeabilities
; Petroleum reservoir engineering
英文摘要: This paper addresses the geological problems and engineering hot points of the CO2 flooding, such as the big vertical span of the beach-bar sand, the strong reservoir heterogeneity, the distribution of residual oil, and the problem of gas channeling. The core identification, log analysis, seismic interpretation, laboratory test and numerical simulation of reservoir engineering are integrated to investigate the geological characteristics of the reservoir in the demonstration zone of SINOPEC Shengli Oilfield. It demonstrates the reservoir is large but it has thin thickness, low porosity and super-low permeability. Due to some great differences between the beach sand and the bar sand, the oil reservoirs of demonstration zone are divided into 2 sand groups, 8 small layers, and 17 sand bodies in total. Then, a 3D geological model and qualitative evaluation system of safety of vertical faults are built. The optimal evaluation method of CO2 flooding and sequestration is established. According to the engineering optimization of the CO2 flooding, the results of a recommendation scheme indicate that the enhance oil recovery can increase by 6.7%, the total injection volume is expected to reach to 563 × 104 t, and CO2 sequestration rate is 60.5%. Finally, the multi-level umbrella downhole gas separator is designed, and the high gas-oil ratio (GOR) production string and free kill gas injection string are also successfully developed for the CO2-EOR. © 2015 Elsevier Ltd. All rights reserved. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/52961
Appears in Collections: 影响、适应和脆弱性
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Recommended Citation:
Lv G.,Li Q.,Wang S.,et al. Key techniques of reservoir engineering and injection-production process for CO2 flooding in China's SINOPEC Shengli Oilfield[J]. Journal of CO2 Utilization,2015-01-01,11