Special core analysis explained

In the petroleum industry, special core analysis, often abbreviated SCAL or SPCAN, is a laboratory procedure[1] for conducting flow experiments on core plugs taken from a petroleum reservoir. Special core analysis is distinguished from "routine (RCAL) or conventional (CCAL) core analysis" by adding more experiments, in particular including measurements of two-phase flow properties, determining relative permeability, capillary pressure, wettability, and electrical properties. Due to the time-consuming and costly character of SCAL measurements, routine core analysis (RCAL) data should be inspected thoroughly to select a representative subset of samples for SCAL.[2] [3]

See also

Notes and References

  1. Web site: Oilfield Glossary: Term 'special core analysis (SCAL)' . www.glossary.oilfield.slb.com . dead . https://web.archive.org/web/20060322194609/http://www.glossary.oilfield.slb.com/Display.cfm?Term=special%20core%20analysis%20%28SCAL%29 . 2006-03-22.
  2. 10.1016/j.ptlrs.2020.06.003. A new framework for selection of representative samples for special core analysis. 2020. Mirzaei-Paiaman. Abouzar. Asadolahpour. Seyed Reza. Saboorian-Jooybari. Hadi. Chen. Zhangxin. Ostadhassan. Mehdi. Petroleum Research. 5. 3. 210–226. free.
  3. 10.1016/j.jngse.2016.09.023. A method based on spontaneous imbibition for characterization of pore structure: Application in pre-SCAL sample selection and rock typing. 2016. Mirzaei-Paiaman. Abouzar. Saboorian-Jooybari. Hadi. Journal of Natural Gas Science and Engineering. 35. 814–825.

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