Well Test Analysis
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Well Test Analysis Course
Introduction:
The focus of the course is on applying well test theory practically to solve actual well testing issues, including design and interpretation, for water, gas, and oil injection wells. A methodical approach to well test analysis will be presented to the participants, who will then use contemporary well test analysis software to put it into practice. To provide learners with practical experience with real-world issues, a multitude of datasets featuring non-ideal behavior will be examined and analyzed. After the training, participants will be able to immediately apply the new abilities they have learned to their work duties.
Course Objectives:
Design well tests and specify equipment requirements
- Set up and analyze well tests for oil and gas well susing traditional and modern well testing analysis techniques
- Perform QC analysis of pressure data; identify and discard “bad” data
- Identify various wellbore and reservoir characteristics and choose the
- appropriate model for analysis
Who Should Attend?
Engineers and geoscientists who want to understand well testing principles and interpretation techniques to design, analyze, report, evaluate results or intelligently participate in the well testing process. Previous experience in well testing, production operations and reservoir engineering is helpful but is not required.
Course Outlines:
- Introduction (Reservoir Performance, Basic Concepts, Need for Testing)
- Steady State, Semi‐Steady State and Transient Well Performance
- Drawdown Testing • Buildup Testing
- Semilog Analysis
- Diagnostics and Derivative Analysis
- Wellbore Storage and Type Curve Matching
- Linear Discontinuities (Sealing Faults, Stratigraphic Pinchouts)
- Surface well test equipment description and operation ‐ Phase tester versus
- Separator ‐ Burner heads ‐ heat radiation
- Downhole and sub‐sea well test equipment description and operation
- Well test planning ‐ Conducting a well test ‐ Fluid flow rate calculations ‐
- Perforation design ‐ Sand production ‐ Deep water considerations
- Preparation of a complete testing program ‐ Rates required/expected ‐ sizing
- of equipment and flow lines ‐ suitability of rig equipment ‐ Sand, Hydrates,
- wax, water etc. to be considered
- Safety on surface ‐ pressure‐testing ESD ‐ function testing drills etc.
- Electric line testing ‐ Generic Downhole Equipment ( MDT , RCI, RDT)
- Hazards ‐ Nitrogen Handling ‐ H2S / CO2 – Hydrates – Sand, etc.
- Selection and position of gauges; Surface read out systems versus memory only tests
- Gas well tests
- Flow after Flow test
- Isochronal test
- Modified Isochronal test