THE APPLICABILITY OF RATE DECLINE AUTOMATIC MATCHING METHOD

doi:10.3863/j.issn.1000-2634.2007.03.018

西南石油大学学报(自然科学版) ›› 2007, Vol. 29 ›› Issue (3): 66-70.DOI: 10.3863/j.issn.1000-2634.2007.03.018

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

THE APPLICABILITY OF RATE DECLINE AUTOMATIC MATCHING METHOD

LIANG Bin ZHANG Lie-hui LI Min et al.

(State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation·Southwest Petroleum University, Chengdu Sichuan 610500，China)

Received:2006-02-21 Revised:1900-01-01 Online:2007-06-20 Published:2007-06-20
Contact: LIANG Bin

Abstract

Abstract: Based on rate decline automatic matching model(LM model in short) and combined with the singlewell numerical simulator, the applicability of LM's automatic matching model on analyzing the gaswell decline of the normal pressure gas reservoir is investigated. The research shows that the LM model can be applied to analyze the gaswell rate decline for any boundaryshape gas reservoir, however, as for the lowpermeability gas reservoir, the calculation results take on great errors. To improve LM model predication accuracy, a way of acquiring the formation parameters is presented in the paper by firstly removing the unsteady production data and then, following the LM automatic matching model to get formation parameters. Besides,the authors put forward a touchstone to justify the calculation results.

Key words: rate decline, automatic matching, numerical simulation, pseudo steady

CLC Number:

TE37

LIANG Bin ZHANG Lie-hui LI Min et al. . THE APPLICABILITY OF RATE DECLINE AUTOMATIC MATCHING METHOD[J]. 西南石油大学学报(自然科学版), 2007, 29(3): 66-70.

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THE APPLICABILITY OF RATE DECLINE AUTOMATIC MATCHING METHOD

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