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Type: Conference paper
Title: Treatment of temperature and pressure profiles along the wellbore to determine gas rate
Author: Barrett, E.
Abbasy, I.
Wu, C.
You, Z.
Bedrikovetski, P.
Citation: Proceedings of the SPE International Production and Operations Conference and Exhibition, 2012: 12p.
Publisher: SPE
Publisher Place: USA
Issue Date: 2012
ISBN: 9781622761272
Conference Name: International Production and Operations Conference and Exhibition (2012 : Doha, Qatar)
Statement of
E. Barrett, I. Abbasy, C.-R. Wu, Z. You, and P. Bedrikovetsky
Abstract: <jats:title>Abstract</jats:title><jats:p>Gas flow profile along the wellbore is an important piece of information for reservoir management purposes, since it provides flow contribution from each producing interval along the wellbore, which is critical for optimizing well performance and maximizing recovery of reserves. Traditional methods are expensive, particularly in high temperature wells and involve running production logsging tools (PLT's) along with flowmeters. Deployment of production logging tools into a well can be operationally difficult and typically requires flow to be suspended temporarily to allow the tools to be run in hole. This can have a negative impact on the quality of data collected, potentially making it un-representative of normal producing conditions. A simple and effective method of the gas rate prediction from temperature and pressure data is discussed in this paper. Solving the inverse problem allows determination of the flow rate and thermal conductivity of the formation by matching the gas pressure and temperature distributions with measured profiles. The results of field data treatment show good agreement with the model prediction and are consistent with flowmeter (PLT) data. Besides, the approximate estimate from direct averaging using the measured data shows good accuracy of rate and thermal conductivity prediction.</jats:p>
Description: Document ID: 152039-MS
Rights: Copyright 2012. Society of Petroleum Engineers
DOI: 10.2118/152039-MS
Appears in Collections:Aurora harvest
Australian School of Petroleum publications

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