Research on Water Production Law of Reservoir with Thin Thickness and Bottom Water Using Relative Permeability Curve

Xinjiang Petroleum Geology ›› 2006, Vol. 27 ›› Issue (5): 588-589.

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Research on Water Production Law of Reservoir with Thin Thickness and Bottom Water Using Relative Permeability Curve

JIANG Bing-jin¹, TANG Hai¹, LV Dong-liang¹, WANG Wei-dong²

1. Institute of Petroleum Engineering, Southwest Petroleum University, Chengdu, Sichuan 610500, China;
2. Research Institute of Exploration and Development, Xinjiang Oilfield Company, PetroChina, Karamay, Xinjiang 834000, China

Received:2006-02-23 Revised:2006-04-19 Online:2006-10-01 Published:2020-10-20

Abstract

Abstract: The normalized processing of relative permeability data of cores is conducted to get the average relative permeability curves which have be regressed for the particular formula of K_ro /K_rw vs S_wd of the reservoir. The waterflood characteristic curve equations of reservoir are then deduced theoretically. For thin layer reservoir with bottom water (water-free oil rate is close to zero), the linear equations between the logarithm of water/oil ratio and the recovery percent of OOIP are further deduced. The case study shows the theoretically calculated results are very close to the real water production of such a reservoir. So these deduced equations can be applied to predict the water production laws of thin layer reservoirs with bottom water.

Key words: relative permeability curve, waterflood characteristic curve, recovery percent, water cut, water/oil ratio

CLC Number:

TE331

JIANG Bing-jin, TANG Hai, LV Dong-liang, WANG Wei-dong. Research on Water Production Law of Reservoir with Thin Thickness and Bottom Water Using Relative Permeability Curve[J]. Xinjiang Petroleum Geology, 2006, 27(5): 588-589.

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Research on Water Production Law of Reservoir with Thin Thickness and Bottom Water Using Relative Permeability Curve

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