Analysis of Production Decline Rule for Low Permeability Gas Reservoir

Xinjiang Petroleum Geology ›› 2009, Vol. 30 ›› Issue (5): 616-618.

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Analysis of Production Decline Rule for Low Permeability Gas Reservoir

HAO Shang-jing¹, WANG Yan-dong², CHEN Ming-qiang³, LI Zhen4, ZHANG Liang²

1.School of Science, Xi'an Petroleum University, Xi'an, Shaanxi 710065, China;
2.Tarim Oilfield Company, PetroChina, Korla, Xinjiang 841000, China;
3.Research Institute of Exploration and Development, Changqing Oilfield Company, PetroChina, Xi'an, Shaanxi 710021,China;
4.No.1 Gas Production Plant, Changqing Oilfield Company, PetroChina, Yulin, Shaanxi 718500, China

Received:2008-09-26 Revised:2008-12-18 Online:2009-10-01 Published:2020-09-30

Abstract

Abstract: Based on the basic decline rule of Arps, this paper presents a simple analysis method for decline regularity of low permeability gas reservoir. It points out that the production decline rate of gas well in such a compacted gas reservoir is not constant. The deformation of the attenuation decline equation is made, and a production prediction model is deduced with modified coefficient for better matching the production performance in terms of month rather than year in unit. The field application indicates that this method is simple, reliable and practicable for prediction of low, especially supper-low permeability gas reservoir with greater yield fluctuation.

Key words: low permeability reservoir, production decline, history match, prediction, forecast

CLC Number:

TE332

HAO Shang-jing, WANG Yan-dong, CHEN Ming-qiang, LI Zhen4, ZHANG Liang. Analysis of Production Decline Rule for Low Permeability Gas Reservoir[J]. Xinjiang Petroleum Geology, 2009, 30(5): 616-618.

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Analysis of Production Decline Rule for Low Permeability Gas Reservoir

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