Analysis of Characteristics of Pressure Curve in Gas-Condensate Wells

Xu Xian-Zhi; Liu Ci-qun

Volume 12 Issue 11

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Article Navigation > Applied Mathematics and Mechanics > 1991 > 12(11): 973-978

Xu Xian-Zhi, Liu Ci-qun. Analysis of Characteristics of Pressure Curve in Gas-Condensate Wells[J]. Applied Mathematics and Mechanics, 1991, 12(11): 973-978.

Citation:

Xu Xian-Zhi, Liu Ci-qun. Analysis of Characteristics of Pressure Curve in Gas-Condensate Wells[J]. Applied Mathematics and Mechanics, 1991, 12(11): 973-978.

Citation:

Xu Xian-Zhi, Liu Ci-qun. Analysis of Characteristics of Pressure Curve in Gas-Condensate Wells[J]. Applied Mathematics and Mechanics, 1991, 12(11): 973-978.

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Analysis of Characteristics of Pressure Curve in Gas-Condensate Wells

1.
Institute of Porous Flow and Fluid Mechanics, Academia Sinica, Langfang

Received Date: 1990-08-20
Publish Date: 1991-11-15

Abstract

Abstract

This paper utilizes a flow equation with a sink item that describes the characteristics of pressure-lime chart when the pressure is higher than the maximum condensate pressure. We have established a sink item to show the influence of accumulation of condensate liquid according to Duhamet Principle of Superposition, and introduced two coefficients for it: condensing strength R_D and condensing relaxation time λ_D. This paper gives the principle and the quantitative expression of the well pressure influenced by condensate function in the flow equation. An analytical solution for an infinite system is obtained (constant rate). These results can be used to analyse the unsteady flow test of constant production.
- condensate,
- sink item,
- condensing strength,
- condensing relaxation time,
- flow test

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References(4)

References

[1]	米尔扎赞扎杰,А.Х.А.Г.杜尔米希扬等,《凝析气田开发》,杨培友、齐光先、陈历荣译,石油工业出版社,北京(1983).
[2]	Economides,M.J.,and Dowell Schelumberger,et al.,Hysteresis effects for gas condensate wells undergoing buildup test below the dew point pressure,SPE16748.
[3]	Jones,J.R.,and R.Raghavan,Interpretation of flowing well response in gas condensate wells,SPE14204.
[4]	加拿大国家能源保护委员会编,《气井试井理论与实践》,童宪章、陈元千、史久浩、周维四译,石油工业出版社,北京(1988).

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