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Multi Well Evaluation: Rock Typing & Flow Unitization Approach

Rock Typing provides a consistent approach for integration of reservoir properties from various scales, identifying their intrinsic rock capacities of fluid flow and storage.

It ultimately leads to the definition of Flow Units that consists of reservoir subdivisions defined on the basis of similar pore type attributes. Inflow performance for a flow unit can be predicted from its inferred pore system properties, such as pore type, pore size and pore geometry.

Rock Typing workflow considers the description of different kinds of Rock Types known as:

  • Depositional: macroscopic-scale, original rock properties present at deposition
  • Petrographic: rock properties at microscopic-scale, i.e rock texture, composition, pore system, diagenesis.
  • Hydraulic: represents the physical rock flow and storage properties as controlled by the pore texture.