Chinese Journal of Magnetic Resonance ›› 2005, Vol. 22 ›› Issue (1): 67-72.

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Oil Saturation in Rock Cuttings Measured by Nuclear Magnetic Resonance

  

  1. 1.University of Petroleum (Beijing),  Beijing 102249, China;
    2.School of Electronics Engineering and Computer Science, Pecking University,  Beijing 100871, China
  • Received:2004-09-27 Revised:2004-11-15 Online:2005-03-05 Published:2005-03-05

Abstract:

Oil saturation is an important physical parameter of petroleum used in petroleum exploration and development. At present,  the conventional method can only give the grade of oil saturation in the logging measurement of rock cuttings and can't determine oil saturation quantitatively. In this paper,  we present a method by which oil saturation in rock cuttings can be determined fast and quantitatively using nuclear magnetic resonance on the well site. Relaxation additives were applied in determining oil saturation in cuttings under laboratory settings,  and optimized. The precision of oil saturation measurement in cuttings by nuclear magnetic resonance was also demonstrated.

Key words: nuclear magnetic resonance, oil saturation, cuttings, petroleum physics

CLC Number: