S. L. Wellington, H. J. Vinegar

Research output: Contribution to journalArticlepeer-review

486 Scopus citations


Computerized tomography (CT) is a new radiological imaging technique that measures density and atomic composition inside opaque objects. A revolutionary advance in medical radiology since 1972, CT has only recently been applied in petrophysics and reservoir engineering. This paper discusses several petrophysical applications, including three-dimensional (3D) measurement of density and porosity; rock mechanics studies; correlation of core logs with well logs; characterization of mud invasion, fractures, and disturbed core; and quantification of complex mineralogies and sand/shale ratios. Reservoir engineering applications presented include fundamental studies of CO//2 displacement in cores, focusing on viscous fingering, gravity segregation, miscibility, and mobility control.

Original languageEnglish
Pages (from-to)885-898
Number of pages14
JournalJPT, Journal of Petroleum Technology
Issue number8
StatePublished - 1 Jan 1987
Externally publishedYes

ASJC Scopus subject areas

  • Fuel Technology
  • Industrial relations
  • Energy Engineering and Power Technology
  • Strategy and Management


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