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:

1. Measurement of formation pressure,
2. Sampling reservoir fluids,
3. 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:

1. Presence of gas cap,
2. Fluid type,
3. Fluid contacts including perched WOC,
4. Detection of hydrocarbon trapped as a residual saturation,
5. Isolated compartment separated by barriers.

Field Development Application of Distributed Pressure Measurement

Theory and its applications for:

1. Identification of effective vertical permeability when linked to reservoir simulations,
2. Identification of horizontal permeability barriers,
3. Identification of vertical permeability barrier,
4. Vertical flow component.

This training course is suitable to a wide range of professionals but will greatly benefit:

• Petroleum Engineers & Production Engineers
• Processing engineers & other discipline engineers
• Geologists & Petro physicists
• Engineers who are new to the profession
• Other individuals who need to know about current & advanced techniques in EOR

Numerical Well Testing

Basics and its application to characterize complex fluid and reservoir types.

Day 1

• Radial and non-radial flow theory. Theory of drawdown and build up pressure transient analysis.
  
  

Day 2

• Wellbore storage, type curve matching and diagnostic derivative applications and limitations. Semi-infinite system late transient analysis including fault system identification
  
  

Day 3

• Semi-steady-state reservoir limit tests for well in a bounded drainage area including average reservoir pressure and drainage area calculations.
  
  

Day 4

• Principle of distributed pressure measurement. Exploration application of distributed pressure measurement
  
  

Day 5

• Field development application of distributed pressure measurement. Fundamentals of numerical well testing and its application to characterize complex fluid and reservoir types

CDGA attendance certificate will be issued to all attendees completing minimum of 80% of the total course duration.