IMECH-IR  > 流固耦合系统力学重点实验室
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.
Source PublicationPETROLEUM EXPLORATION AND DEVELOPMENT
2017-12-01
Volume44Issue:6Pages:983-992
ISSN1000-0747
Abstract

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.

KeywordCarbonate Reservoir Simultaneous Production Of Gas And Water Gas-water Relative Permeability Curves Ipr Curve Gas Well
Indexed BySCI ; EI
Language英语
WOS IDWOS:000417254600010
WOS Research AreaEnergy & Fuels ; Engineering ; Geology
WOS SubjectEnergy & Fuels ; Engineering, Petroleum ; Geosciences, Multidisciplinary
Funding OrganizationChina National Science and Technology Major Project [2011ZX05004-005]
Classification一类
Ranking1
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/72125
Collection流固耦合系统力学重点实验室
Corresponding AuthorShen, WJ (reprint author), Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China.
Recommended Citation
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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