THE DETERMINATION OF THE INJECTIONPRODUCTION WELL SPACING WITH THE CONSIDERATION OF THE STARTUP PRESSURE GRADIENT

doi:10.3863/j.issn.1000-2634.2007.04.22

西南石油大学学报(自然科学版) ›› 2007, Vol. 29 ›› Issue (4): 89-91.DOI: 10.3863/j.issn.1000-2634.2007.04.22

• 石油与天然气工程 • Previous Articles Next Articles

THE DETERMINATION OF THE INJECTIONPRODUCTION WELL SPACING WITH THE CONSIDERATION OF THE STARTUP PRESSURE GRADIENT

TANG Fu-ping¹ TANG Hai² YU Bei-bei² et al

Xinjiang Oil Field Branch, Kalamay Xinjiang 834000 ,China

Received:2006-05-31 Revised:1900-01-01 Online:2007-08-20 Published:2007-08-20
Contact: TANG Fu-ping

Abstract

Abstract:

It is one of the main research contents for the effective development of the low permeability reservoir how to determine the reasonable injectionproduction well spacing owing to the startup pressure gradient in the process of the flowing through porous media, According to the theory of flowing through porous media for the productionone sourceone convergence point, the calculation formula for the maximum startup pressure gradient in the midpoint of the channel line in the flooding unit is acquied. Integrating the relation between the startup pressure gradient and the permeability, the determination method of the reasonable injectionproduction well spacing for the low permeability reservoir is established and the theoretical plate for the reasonable injectionproduction well spacing on the condition of different permeability and injectionproduction pressure drawdown is obtained. The case application reveals that this method is simple and practical, the analytical results are basically identical with the actual situation in oil field.

Key words: the startup pressure gradient, injectionproduction well spacing, low permeability reservoir, development effect

CLC Number:

TE348

TANG Fu-ping TANG Hai YU Bei-bei et al. THE DETERMINATION OF THE INJECTIONPRODUCTION WELL SPACING WITH THE CONSIDERATION OF THE STARTUP PRESSURE GRADIENT[J]. 西南石油大学学报(自然科学版), 2007, 29(4): 89-91.

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THE DETERMINATION OF THE INJECTIONPRODUCTION WELL SPACING WITH THE CONSIDERATION OF THE STARTUP PRESSURE GRADIENT

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