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A New Method for 2D NMR Log Data Inversion in Tight Sandstone ReservoirNormal access

Authors: X.N. Meng, R. Xie, H. Jia and J.F. Guo
Event name: 79th EAGE Conference and Exhibition 2017
Session: Reservoir Evaluation, Monitoring and Management
Publication date: 12 June 2017
DOI: 10.3997/2214-4609.201700479
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 1.95Mb )
Price: € 20

Summary:
To improve the inversion effects of 2D NMR log data of the tight sandstone reservoir, this paper applies the two parameters regularization inversion method to the data. The principle of the method is elaborated in detail. The results of applying the method to the simulated 2D NMR log echo data indicate that two parameters regularization inversion method, which can overcome ill-posed nature of 2D NMR log data inversion and obtain a high inversion precision, is much suitable for inversing 2D NMR log data. The inversion results of the 2D NMR log data of tight sandstone reservoir using the two parameters regularization algorithm can be uesed to identify reservoir fluids.


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