Bitumen characterization in situ using NMR

Reservoir bitumen is not readily identified on typical log suit, where is usually read as oil reservoir. We comparatively analyze the experimental data of the nuclear magnetic resonance (NMR) before and after the dissolving of bitumen-rich samples. The short transverse relaxation times (T 2 ) are ch...

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Bibliographic Details
Published in:Petroleum science and technology 2016-03, Vol.34 (5), p.437-441
Main Authors: Zou, Xianli, Chen, Shijia, Wang, Li, Zhang, Huanxu, Zhan, Pan, Li, Xiaotian
Format: Article
Language:English
Subjects:
Bitumens
Crude oil
dissolve
NMR
Nuclear magnetic resonance
Porosity
Production planning
Reservoir bitumen
Reservoirs
Rock
Saturation
volumetric model
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Summary:Reservoir bitumen is not readily identified on typical log suit, where is usually read as oil reservoir. We comparatively analyze the experimental data of the nuclear magnetic resonance (NMR) before and after the dissolving of bitumen-rich samples. The short transverse relaxation times (T 2 ) are characteristics of bitumen-rich zones, and the NMR porosity is relative abundance of bitumen in reservoir. A volumetric rock model was used to reconcile core data as well as to calculate the saturation of reservoir bitumen. The NMR log can be applied more reliably to reservoir evaluation and production planning.
ISSN:1091-6466
1532-2459
DOI:10.1080/10916466.2016.1141216