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Experiment on gas-water two-phase seepage and inflow performance curves of gas wells in carbonate reservoirs: A case study of Longwangmiao Formation and Dengying Formation in Gaoshiti-Moxi block, Sichuan Basin, SW China
Li CH; Li XZ; Gao SS; Liu HX; You SQ; Fang FF; Shen WJ(沈伟军); Shen, WJ (reprint author), Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China.
2017-12-01
发表期刊PETROLEUM EXPLORATION AND DEVELOPMENT
卷号44期号:6页码:983-992
ISSN1000-0747
摘要

Gas-water relative permeability was tested in the full diameter cores of three types of reservoirs (matrix pore, fracture and solution pore) in Gaoshiti-Moxi block under high pressure and temperature to analyze features of their gas-water relative permeability curves and gas well inflow dynamics. The standard plates of gas-water two-phase relative permeability curves of these types reservoirs were formed after normalization of experimental data. Based on the seepage characteristics of fractured reservoirs, the calibration methods of gas-water two-phase relative permeability curves were proposed and the corresponding plates were corrected. The gas-water two-phase IPR (inflow performance relationship) curves in different type reservoirs were calculated using the standard plates and validated by the actual performances of gas wells respectively. The results show that: water saturations at gas-water relative permeability equal points of studied reservoirs are over 70%, indicating strong hydrophilic; the dissolved cave type has the biggest gas-water infiltration interval and efficiency of water displacement by gas, followed by the matrix pore type and then fractured type; and the fractured type has the highest the permeability recovery degree, followed by the dissolved cave type and then matrix pore type. The calibrated gas-water two-phase relative permeability curves of fractured carbonate reservoirs can better reflect the gas-water two-phase seepage law of actual gas reservoirs and the standard plates can be used in the engineering calculation of various gas reservoirs. The characteristics of calculated IPR curves are consistent with the performance of actual producing wells, and are adaptable to guide production proration and performance analysis of gas wells.

关键词Carbonate Reservoir Simultaneous Production Of Gas And Water Gas-water Relative Permeability Curves Ipr Curve Gas Well
收录类别SCI ; EI
语种英语
WOS记录号WOS:000417254600010
WOS研究方向Energy & Fuels ; Engineering ; Geology
WOS类目Energy & Fuels ; Engineering, Petroleum ; Geosciences, Multidisciplinary
项目资助者China National Science and Technology Major Project [2011ZX05004-005]
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力学所作者排名1
引用统计
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/72125
专题流固耦合系统力学重点实验室
通讯作者Shen, WJ (reprint author), Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China.
推荐引用方式
GB/T 7714
Li CH,Li XZ,Gao SS,et al. Experiment on gas-water two-phase seepage and inflow performance curves of gas wells in carbonate reservoirs: A case study of Longwangmiao Formation and Dengying Formation in Gaoshiti-Moxi block, Sichuan Basin, SW China[J]. PETROLEUM EXPLORATION AND DEVELOPMENT,2017,44(6):983-992.
APA Li CH.,Li XZ.,Gao SS.,Liu HX.,You SQ.,...&Shen, WJ .(2017).Experiment on gas-water two-phase seepage and inflow performance curves of gas wells in carbonate reservoirs: A case study of Longwangmiao Formation and Dengying Formation in Gaoshiti-Moxi block, Sichuan Basin, SW China.PETROLEUM EXPLORATION AND DEVELOPMENT,44(6),983-992.
MLA Li CH,et al."Experiment on gas-water two-phase seepage and inflow performance curves of gas wells in carbonate reservoirs: A case study of Longwangmiao Formation and Dengying Formation in Gaoshiti-Moxi block, Sichuan Basin, SW China".PETROLEUM EXPLORATION AND DEVELOPMENT 44.6(2017):983-992.
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