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Volumn 31, Issue 8, 2005, Pages 949-955

Automatic detection of lithologic boundaries using the Walsh transform: A case study from the KTB borehole

Author keywords

Borehole geophysics; KTB; Low pass filtering; Rock boundary detection; Walsh transforms

Indexed keywords

BOREHOLES; FILTRATION; GEOPHYSICAL PROSPECTING; WAVEFORM ANALYSIS;

EID: 22644441841     PISSN: 00983004     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.cageo.2005.01.016     Document Type: Article
Times cited : (42)

References (14)
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    • Two dimensional digital filtering with Harr and Walsh transforms
    • D. Gubbins I. Scollar P. Wisskirchen Two dimensional digital filtering with Harr and Walsh transforms Annales de Geophysique 27 2 1971 85-104
    • (1971) Annales De Geophysique , vol.27 , Issue.2 , pp. 85-104
    • Gubbins, D.1    Scollar, I.2    Wisskirchen, P.3
  • 6
    • 0026614888 scopus 로고
    • Density mapping from gravity data using the Walsh transform
    • P. Keating Density mapping from gravity data using the Walsh transform Geophysics 57 1992 637-642
    • (1992) Geophysics , vol.57 , pp. 637-642
    • Keating, P.1
  • 7
    • 0020642450 scopus 로고
    • Automated identification of rock boundaries: An application of Walsh transform to geophysical well-log analysis
    • E.N. Lanning D.M. Johnson Automated identification of rock boundaries: an application of Walsh transform to geophysical well-log analysis Geophysics 48 1983 197-205
    • (1983) Geophysics , vol.48 , pp. 197-205
    • Lanning, E.N.1    Johnson, D.M.2
  • 8
    • 0032458696 scopus 로고    scopus 로고
    • Variability of geophysical log data and signature of crustal heterogeneities at the KTB
    • S. Leonardi H.-J. Kumpel Variability of geophysical log data and signature of crustal heterogeneities at the KTB Geophysical Journal International 135 1998 964-974
    • (1998) Geophysical Journal International , vol.135 , pp. 964-974
    • Leonardi, S.1    Kumpel, H.-J.2
  • 9
    • 0345062127 scopus 로고    scopus 로고
    • Fractal variability in super deep borehole-implications for the signature of crustal heterogeneities
    • S. Leonardi H.-J. Kumpel Fractal variability in super deep borehole-implications for the signature of crustal heterogeneities Tectonophysics 301 1999 173-181
    • (1999) Tectonophysics , vol.301 , pp. 173-181
    • Leonardi, S.1    Kumpel, H.-J.2
  • 10
    • 0027149271 scopus 로고
    • Comparison of Walsh and Fourier spectroscopy of geomagnetic reversals and non-sinusoidal paleaoclimatic time series
    • J.G. Negi R.K. Tiwari K.N.N. Rao Comparison of Walsh and Fourier spectroscopy of geomagnetic reversals and non-sinusoidal paleaoclimatic time series IEEE Transactions on Geoscience and Remote Sensing 31 1993 127-135
    • (1993) IEEE Transactions on Geoscience and Remote Sensing , vol.31 , pp. 127-135
    • Negi, J.G.1    Tiwari, R.K.2    Rao, K.N.N.3
  • 11
    • 0026358696 scopus 로고
    • A Walsh sequency filtration method for integrating the registivity log and sounding data
    • P.C. Pal A Walsh sequency filtration method for integrating the registivity log and sounding data Geophysics 56 1991 1259-1266
    • (1991) Geophysics , vol.56 , pp. 1259-1266
    • Pal, P.C.1
  • 13
    • 0023119718 scopus 로고
    • Higher order eccentricity cycles of the middle and late Miocene climatic variations
    • R.K. Tiwari Higher order eccentricity cycles of the middle and late Miocene climatic variations Nature 327 1987a 219-221
    • (1987) Nature , vol.327 , pp. 219-221
    • Tiwari, R.K.1
  • 14
    • 0023518099 scopus 로고
    • A Walsh spectral comparison of oxygen (D18) and carbon (D13) isotope variations at the Pleistocene borehole (Eure Ka 67-135) from the Gulf of Mexico and their orbital significance
    • R.K. Tiwari A Walsh spectral comparison of oxygen (D18) and carbon (D13) isotope variations at the Pleistocene borehole (Eure Ka 67-135) from the Gulf of Mexico and their orbital significance Marine Geology 78 1987b 167-174
    • (1987) Marine Geology , vol.78 , pp. 167-174
    • Tiwari, R.K.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.