气井产水时产能方程的确定

doi:10.3969/j.issn.1673-8926.2010.04.021

Lithologic Reservoirs ›› 2010, Vol. 22 ›› Issue (4): 112-115.doi: 10.3969/j.issn.1673-8926.2010.04.021

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Deliverability equation for water-production gas well

LV Dongliang¹， TANG Hai¹， LV Jianjiang¹， MA Xiaoming²， YU Beibei²， WANG Quanlin¹

1. School of Petroleum Engineering， Southwest Petroleum University， Chengdu 610500， China； 2. Research Institute of Exploration and Development， Dagang Oilfield Company， PetroChina， Dagang 300280， China

Online:2010-12-15 Published:2010-12-15

Abstract

Abstract:

The movable water existent in the strata will assemble at the bottom of gas well in the producing process, which causes the water-gas ratio rising. It will affect the output and deliverability of gas well seriously, and affect the reserve assessment and the implementation of development program. Based on the pseudosteady state flow deliverability equation, the relationship between relative permeability curves and water-gas ratio in production and the equivalent skin coefficient are applied tomodify the deliverability equation under different water-gas ratio in production, and then a new deliverability equation for gas well is obtained. The practical application shows that the modified deliverability equation is more applicable for the actual production.

Key words: sandy conglomerate, diagenesis, pore texture, reservoir type, Wangzhuang area

LV Dongliang，TANG Hai，LV Jianjiang，MA Xiaoming，YU Beibei，WANG Quanlin. Deliverability equation for water-production gas well[J].Lithologic Reservoirs, 2010, 22(4): 112-115.

References

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