Description
This 5-day course presents the Routine Core Analysis (RCA) and Special Core Analysis (SCAL) concepts and experiment that are required in the execution of reservoir engineering studies, reservoir simulation models and Enhanced Oil Recovery (EOR) studies. It describes the different laboratory experimental methods and techniques to develop representative reservoir properties to be used in classical reservoir engineering and numerical simulation reservoir models. The lectures include the coring and transport procedures, native state analysis, cleaning procedures, aging the cores to restore original conditions, describing the best practices for quality control, core description, plugs selection, experimental procedures, and limitations of the results. Field cases of core capture, RCA and SCAL programs for implementation of Enhanced Oil Recovery projects.
By the end of the course, the participant will be able to understand the entire process of planning core acquisition, core preparation, plugs selection, plugs preparation, planning and supervising the experiments and data interpretation, preparing a core capturing program from a drilling campaign, designing a core analysis program for conventional and special analysis (SCAL) and to select representative results for reservoir engineering studies.
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- Introduction and summary of Core Analysis value
- The Coring processes
- Overview of sample preparation
- Sample preparation and basic data acquisition for Routine Core Analysis
- Pre-screening of material, both whole core and samples for SCAL (Special Core Analysis) testing
- SCAL techniques, Electrical Properties, Capillary Pressure, NMR, Relative Permeabilities, Wettability Measurements
- Data Quality Control and Interpretation
- Integration of petrophysical results
- Reservoir Engineers
- Geologist
- Geophysicist
- Petrophysicists
- Geo-modelers
- Subsurface managers and professionals involved in the design of conventional and special core analysis programs and applying results from laboratory experiments for the construction of reservoir static and dynamic models.
This training can be done in house based on workshop sessions for groups of delegates with interest in understanding of practice of reservoir engineering; it can be tailored to specific company needs.
Day 1
- Introduction, Basics of Core Analysis
- Coring and Wellsite Coring
- Recommendations
- Basics of Core Handling
- Sample Preparation
- Cleaning and Drying Methods
- Conventional or Routine Core Analysis (RCA)
- Porosity and Permeability
- Overburden Effects
- QA/QC of Conventional Data
- SCAL Program Design
- Sample pre-screening
- Electrical Properties
- Archie Equations
- Porosity Exponent ‘m’
- Saturation Exponent ‘n’
- Excess Conductivity
- Review of Day 1
Day 2
- Capillary Pressure
- Mercury Injection
- Ultra-centrifuge
- Porous Plate
- NMR
- PSD determination
- Application of Results
- Wettability Concepts
- Amott and USBM
- Wettability Tests
- Effects of Wettability
- Relative Permeability
- Single Phase Permeability
- Unsteady State Relative Permeability
- Steady State Relative Permeability
- Centrifuge Relative Permeability
- Review of Day 2
Day 3
- Whole Core
- Rock Mechanics
- History Matching and Simulation
- Unconventional Analysis
- QA / QC of SCAL Data
- Petrophysical Techniques
- Thin Sections
- SEM Spectro Electrical
- Magnetic analysis
- XRD X Ray Diffraction Analysis
- Integration of Results from Conventional and Special Core Analysis
Day 4
SCAL Programs for EOR Oil Recovery Enhanced
- Laboratory Experiments for Low Salinity Waterflooding
- SCAL Programs for Miscible Gas Flooding
- Example SCAL for a Miscible Gas Flooding project
- SCAL Programs for Chemical Injection Process
- Example of SCAL program for a Polymeric Gels Treatments
- Example of SCAL program for a Polymer Injection Project
- SCAL Programs for Thermal EOR Process
- Example of Thermal EOR SCAL projects
Day 5
Importance and Implications of a SCAL Experimental Program
- Safety in RCA and SCAL
- Laboratory Selection Discussions
- Cost Estimations and Implications
- QA/QC of RCA and SCAL data
- Delegates Discussion on specific needs for RCA and SCAL
- Wrap Up
End of the training