A Study on Automatic Matching of Gas-Well Production Decline in Abnormal Pressure Gas Reservoir

Xinjiang Petroleum Geology ›› 2006, Vol. 27 ›› Issue (5): 578-580.

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A Study on Automatic Matching of Gas-Well Production Decline in Abnormal Pressure Gas Reservoir

LIANG Bin, ZHANG Lie-hui, LI Min

1. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan 610500, China

Received:2006-01-16 Revised:2006-03-15 Online:2006-10-01 Published:2020-10-20

Abstract

Abstract: The mathematic model of automatic matching of gas-well production decline for abnormally pressured gas reservoir is developed, based on LM's automatic matching of production decline, combined with the regression analysis. This model can be used to determine the permeability, porosity, net pay thickness and OGIP without chart matching. In order to improve the prediction precision, a way of acquiring the formation parameters is adopted by firstly removing the unsteady production data followed by the automatic matching technique. Also, the standard for verifying the calculated results is proposed for application of this model.

Key words: production decline, matching, abnormal pressure, pseudo-steady state

CLC Number:

TE37

LIANG Bin, ZHANG Lie-hui, LI Min. A Study on Automatic Matching of Gas-Well Production Decline in Abnormal Pressure Gas Reservoir[J]. Xinjiang Petroleum Geology, 2006, 27(5): 578-580.

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A Study on Automatic Matching of Gas-Well Production Decline in Abnormal Pressure Gas Reservoir

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