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- Title
考虑非达西流动影响的底水气藏产能新方法.
- Authors
陈军; 刘太雷; 任洪明
- Abstract
A seepage model considering the actual flow mechanisms of bottom-aquifer gas reservoir was established to improve the three seepage patterns of bottom-aquifer gas reservoir at home and abroad. A new gas well productivity equation for the bottom- aquifer gas reservoir was provided by considering the three seepage patters on the basis of non-Darcy flow mechanism. This research was applied to multiple gas reservoirs for field calculation. Result indicates that the new calculation shows a high reliability and the relative error between this new calculation and the binomial method is only from 1. 10% to 3. 85%. This new equation only requires gas well reservoir properties and perforation completion data to calculate gas well productivity without field stable well test data. This research could present a new way for the gas well productivity calculation in the bottom-aquifer gas reservoir and could also provide certain guidance for the efficient development of water-flooding gas reservoir.
- Publication
Special Oil & Gas Reservoirs, 2019, Vol 26, Issue 2, p91
- ISSN
1006-6535
- Publication type
Article
- DOI
10.3969/j.issn.1006-6535.2019.02.016