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Absolute open flow (AOF) potential evaluation for watered-out gas wells in water-drive gas reservoir.
- Source :
-
Petroleum Science & Technology . 2021, Vol. 39 Issue 7/8, p249-269. 21p. - Publication Year :
- 2021
-
Abstract
- This paper presents a gas-water two-phaseLaminar-Inertial-Turbulent (LIT) flow equation for watered-out gas wells, which can be solved through the incorporation of daily production, gas-water relative permeability and PVT data, and then QAOF and formation factor (Kh) are obtained. Field case study in Long Wang Miao (LWM) water-drive gas reservoir shows that for watered-out gas wells, the single-phase LIT equation can result in overestimation of QAOF by 30–80%. Water invasion performance can be relieved after reducing the production rate of watered-out gas wells, and water invasion behavior before breakthrough can be diagnosed with the decline trend of Kh values. [ABSTRACT FROM AUTHOR]
- Subjects :
- *GAS reservoirs
*GAS wells
*TWO-phase flow
*POTENTIAL flow
Subjects
Details
- Language :
- English
- ISSN :
- 10916466
- Volume :
- 39
- Issue :
- 7/8
- Database :
- Academic Search Index
- Journal :
- Petroleum Science & Technology
- Publication Type :
- Academic Journal
- Accession number :
- 149790235
- Full Text :
- https://doi.org/10.1080/10916466.2021.1895837