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Journal of Applied Sciences
  Year: 2008 | Volume: 8 | Issue: 22 | Page No.: 4070-4078
DOI: 10.3923/jas.2008.4070.4078
 
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A Damped Least-Squares Inversion Program for the Interpretation of Schlumberger Sounding Curves
Yunus Levent Ekinci and Alper Demirci

Abstract:
An iterative inversion program for 1D interpretation of Schlumberger sounding curves is presented in this research. The program, written in MATLAB v.5.3 (R11), optimizes the fit between the observed and the calculated apparent resistivity data. The procedure is initialized by user-selected initial model parameters and employs the damped least-squares solution with the Singular Value Decomposition (SVD). The applicability of the present inversion program was tested on three synthetic models which symbolize ideal resistivity distributions of geological relevance. Noise was added to two models as a further concession to reality. Moreover, the program was used to interpret real data from Turkey and the results obtained were compared with published results. In all cases, applications indicated that the model parameters obtained are in good agreement with the real ones and the published results. The program is suitable for shallow small scale investigations if the lateral changes in the study area are expected to be smooth.
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How to cite this article:

Yunus Levent Ekinci and Alper Demirci, 2008. A Damped Least-Squares Inversion Program for the Interpretation of Schlumberger Sounding Curves. Journal of Applied Sciences, 8: 4070-4078.

DOI: 10.3923/jas.2008.4070.4078

URL: https://scialert.net/abstract/?doi=jas.2008.4070.4078

 
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