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has been cited by the following article:

• TITLE: Application of Cross-Plotting Techniques for Delineation of Coal and Non-Coal Litho-Units from Well Logs

  AUTHORS: Rima Chatterjee, Suman Paul

  KEYWORDS: Jharia Coalfield; Cross-Plot; P-Wave Impedance; CBM Reservoir

  JOURNAL NAME: Geomaterials, Vol.2 No.4, October 31, 2012

  ABSTRACT: Well log responses can be used to delineate coal and carbonaceous shale from other non-potential litho-units by cross-plotting technique. The cross-plotting between gamma ray and density had been carried out for 15 wells of Jharia coalfield, India. Through these different cross-plots across the study area, different litho-units like; coal, shaly coal, carbonaceous shale, shale, sand/sandstone, shaly sand, jhama and igneous intrusion (mica peridotite) have been identified. Clustering of points for different lithologies in the above cross-plots indicate that the different trends with marginal overlap between carbonaceous shale/shaly coal and shale as well as shaly sand and shale. The coal horizons are mostly overlain and underlain by shale or sandstone. Cross-plot analysis indicates the various coal lithologies which will play important role in CBM exploration and exploitation strategy.