Radial and non-radial Flow theory
- Theories of radial flow, skin (due to damage and various completion strategies, i.e. perforation, fractured, horizontal well) and Dietz shape factor. Fundamentals of productivity, Index calculation for various flow regimes (steady-state, pseudo-steady-state and transient flow).
- Theory of pressure transient analysis
- Drawdown and build-up solutions including superposition principle and permeability and skin calculations methods.
- Wellbore storage, type curve matching
- Available methods, applications and limitations including reliability of identified reservoir parameters.
- Straight line, diagnostic derivative and auto match analysis methods
- Order of analysis, benefits and limitations.
- Semi-infinite late transient analysis
- Basic single, two (parallel or intersecting) and multi fault systems. Fully or partially sealing communication faults.
- Semi-steady-state reservoir limit tests
- Analysis of well test data in a bounded drainage area including average reservoir pressure and drainage area calculations.
- Distributed Pressure Measurement
Basic theory, supercharging, its application for:
- Measurement of formation pressure,
- Sampling reservoir fluids,
- Permeability profiling. Benefits and limitations of permeability data obtained during short drawdown and build up including their integration with core, well log and well test data.
Exploration Application of Distributed Pressure Measurement
Theory and its applications for identification of:
- Presence of gas cap,
- Fluid type,
- Fluid contacts including perched WOC,
- Detection of hydrocarbon trapped as a residual saturation,
- Isolated compartment separated by barriers.
Field Development Application of Distributed Pressure Measurement
Theory and its applications for:
- Identification of effective vertical permeability when linked to reservoir simulations,
- Identification of horizontal permeability barriers,
- Identification of vertical permeability barrier,
- Vertical flow component.