Using LMR for dual attribute lithology identification

Anderson, Paul M.; Gray, F.D.

doi:10.1190/1.1816539

Cited by 6 publications

(2 citation statements)

References 2 publications

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“…Anderson and Gray [8] as well as Gray and Andersen [9] had demonstrated that many different lithologies like coal, shale, sandstone, gas saturated sands and carbonates can be identified by cross-plots of λρ versus µρ (where λ is elastic parameter, µ is rigidity modulus and ρ is density).…”

Section: Introductionmentioning

confidence: 99%

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

Chatterjee¹,

Paul²

2012

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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.

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Section: Introductionmentioning

confidence: 99%

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

Chatterjee¹,

Paul²

2012

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“…These units are distinguished mostly on the basis of sand-shale ratios as follows: the Akata Formation at the base of the delta, Agbada Formation overlying the Akata Formation and the Benin Formation overlying the Agbada Formation. Knowledge and understanding of the geology of the Niger Delta is gotten from the detailed works of [2,3,4,5,6,7,8]. The structure of Amangi field is a complex collapsed crest, rollover anticline, predominantly shore face and channel deposits with distinctive coarsening upward characteristics.…”

Section: Location and Geology Of The Study Areamentioning

confidence: 99%