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What is Core Analysis?

A Core is a cylindrical rock sample drilled out from a well. Core analysis is the measurement and interpretation of a core’s petro-physical characteristics.

How is it important to us?

Core analysis provides geologist and engineers comprehensive information on wellbore conditions and the probable productivity (economic value).

The two major types of core analysis are: Routine Core Analysis and Special Core Analysis.

Routine Core Analysis tests are performed under ambient conditions and provide information about the reservoir fluids storage capacity (porosity), flow capacity and distribution (permeability), fluid type and content (saturation) and lithology.

Special Core Analysis (SCAL) are more complex and time consuming. Carried out in laboratories, they supplement the Routine Core Analysis and furnish data on the relative permeability, capillary pressure, wettability of the reservoir rock (preference of the rock for water or oil), pore volume compressibility (useful in predicting hydrocarbon recovery), rock electrical properties (resistivity).

Nate Richards
Nate has over 18 years of software engineering and consulting experience. He founded Entrance in 2003. Nate is the past President of the Board of LifeHouse Houston, a Christ-centered maternity home ministry, and is past Executive committee member and Treasurer of Houston Achievement Place, a foster care and social skills training non-profit organization.
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