By the end of this training course, participants will be able to:

• Review all the basics of well testing and analysis.
• Fully understand of reservoir pressure regimes and geometry.
• Fully understand of how important are rock / fluid properties in well testing analysis.
• Able to design a complete transient well test.
• Fully understand of oil and gas well testing types and analysis, utilizing type curve matches.
• Fully understand the difference between oil and gas IPR curve constructions.
• Deal with well’s different problem to improve well’s performance.
• Provide basic understanding of well test analysis
• Understand the principles of fluid flow through pours media
• Aware of the parameters which affect the result of well test interpretation
• Understand why, when and how to test well in the right way
• Understand when to use either a liner or nonlinear analytical or numerical solution for PTA
• Know what can you get from a well test analysis?
• Know how to design fora well test.
• Dive into 13 field examples of well test to deepen our understanding of the concepts and build our practical and applied knowledge of the subject.

Well Testers, Production Engineers, Production Supervisors and Personnel, Well Testing Coordinators, Field Services Coordinators, Oil & Gas Engineers, Reservoir Engineers, Petroleum Engineers, Drilling Engineers and other service personnel who are required to have knowledge of well testing operations.

This training will be highly interactive with opportunities to advance your opinions and ideas and will include:

• Lectures
• Workshop & Work Presentation
• Case Studies and Practical Exercise
• Videos and General Discussions
  
  

Day One

Type Of test Analysis

On day one of this course participants will learn about the need for testing and the states of well performance. The basic concepts for test analysis will also be discussed on this day.

Some concepts that will be covered include modeling radial flow and characterizing damage and stimulation. Several types of testing will also be discussed, including drawdown testing and buildup testing. This day will also include a discussion on semi log analysis and estimating average reservoir pressure.

• Basic Concept of well test analysis
• Types of Transient Well Testing: Pressure Drawdown, Pressure Build-up, Interference Test, and Pulse Test.
• Steady state, semi -steady state, and transient well performance
• Data input and validation
• Flow Regime
• Superposition
• Introduction to well test analysis using software basic workflow

Day Two

Diagnostic and derivative analysis

Participants will learn about diagnostic and derivative plots analysis on this day. A discussion of wellbore storage and type curve matching will also be included. Participants will be introduced to recognizing sealing faults and stratigraphic pinch outs, along with late time boundary and depletion effects on well tests plots.

• QA /QC the data
• Diagnostic and derivative analysis
• Phase redistribution
• Hand on different types of well models (Vertical, Limited entry and horizontal well modelling)
• Hand on different types of reservoir models (Homogenous, Dual Porosity and composite modelling)

Day Three

Type of well testing

This day will focus on teaching participants about the interpretation methodology of various types of well testing.

• Late time boundary and depletion effect
• Sealing faults and stratigraphic pinch outs
• Typical errors diagnosing boundary effect
• Reservoir pressure estimation
• Horizontal well testing
• Fall-off Test for Injectors.
• Step Rate Test for Injectors.
• Type Curve Match for Reservoir Description from Drawdown and Build-up Test.
• Type Curve Match for Reservoir Description from Interference Test.
• Gas Well Testing for IPR Curve Construction.
• Deliverability Test.
• Transient Test.
• Gas Condensate Transient Well Testing.
• Deliverability and Transient Test Example for Dry Gas Well.

Day Four

Numerical Analysis

Participants will learn about Non liner regression using numerical analysis on this day. A discussion Multiphase and will go through field case of reservoir has a secondary gas cap and discuss the impact of water injection on the derivative.

• Hand on Numerical model
• Multiphase, Analytical, numerical and nonlinear
• Simple numerical field case for reservoir has secondary gas cap
• Water injection
• De-convolution Approach.

Day Five

Test Design Consideration and DST

The last day of the course will include a discussion on DST, its key features, design, and analysis. Participants will learn about interference test and reservoir limit tests. The class will end with a discussion on well test design and each participant will learn the step-by-step procedure

• Well test design and step by step procedure
• Common source of error
• Reservoir limit test
• Interference test
• DST Analysis using real data
• Conventional Pressure Survey Excel Exercises.
• Saphir Exercises.
• Different Case Histories.
  
  
  

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