J4 ›› 2010, Vol. 40 ›› Issue (3): 699-703.

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The Technique of Log-Seismic Multi-Attributes Density Curves Reconstruct Inversion and Its Application

JIA Jian-liang1, LIU Zhao-jun1, CHEN Yong-cheng2, FANG Shi1, YAN Lei1, SUN Ping-chang1   

  1. 1. College of Earth Sciences, Jilin University, Changchun 130061, China;
    2. SINOPEC Northeast petroleum Bureau, Changchun 130056, China
  • Received:2009-10-30 Online:2010-05-26 Published:2010-05-26

Abstract:

To improve the resolution of inversion, based on the fact of that the density data in a great impact on inversion results, making using of the core data, logging data and seismic data, from this perspective of analyzing the physical properties of rock-logging response-seismic response, the log-seismic multi-attributes density curve reconstruction technique was proposed to synthesis the pseudo-density curve.The results was verified with the analyzed data of the entire well continuous coring samples and the average validation error is about 0.05 g/cm3. The practical application shows that the coincidence rate of inversion results increase from the 78% to 86% after reconstruction. This can be concluded that the density curve reconstruction inversion technique can improve the precision and resolution of inversion.

Key words: log-seismic multi-attributes, density curve, reconstruction technique, well constrained inversion

CLC Number: 

  • P631.8
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