一种提高气井静压计算精度的方法

doi:10.3969/j.issn.1673-8926.2011.01.023

Lithologic Reservoirs ›› 2011, Vol. 23 ›› Issue (1): 123-126.doi: 10.3969/j.issn.1673-8926.2011.01.023

A method for improving calculation accuracy of static pressure at bottom hole of gas well

GUO Jing¹， HUANG Zhaoting¹， LU Hongjiang¹， YUAN Qingyun¹， JIANG Xue²， ZHANG Junjie³

1. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation， Chengdu University of Technology， Chengdu 610059， China； 2. Research Institute of Drilling & Production Technology， Liaohe Oilfield Company， PetroChina， Panjin 124010， China； 3. Research Institute of Exploitation and Development， Liaohe Oilfield Company， PetroChina， Panjin 124010， China

Online:2011-02-20 Published:2011-02-20

Abstract

Abstract:

The methods for calculating static pressure at bottom hole in the past do not take the varying temperature, pressure and gas components into consideration. According to the variation range of temperature and pressure, different computation models of gas deviation factor are applied to calibrate the critical parameter of acidic gas with high content of hydrogen sulfide, so as to improve the calculation accuracy of gas deviation factor. And based on the above-mentioned method, the static pressure at bottomhole is calculated. The actual data shows that a relative high accuracy is obtained.

Key words: Feixianguan Formation, third-order sequence, high-frequency sequence, Fuling area

GUO Jing， HUANG Zhaoting， LU Hongjiang， YUAN Qingyun， JIANG Xue， ZHANG Junjie. A method for improving calculation accuracy of static pressure at bottom hole of gas well[J].Lithologic Reservoirs, 2011, 23(1): 123-126.

References

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