Chemically Enhanced Water Alternating Gas
It is know that two-third of the original oil in place are still in the ground. Petroleum companies are looking for techniques to improve sweep efficiency and…
- Level
- Intermediate
- Type
- Classroom
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About Training
It is know that two-third of the original oil in place are still in the ground. Petroleum companies are looking for techniques to improve sweep efficiency and increase recovery factors. As a result, Enhanced Oil Recovery (EOR) processes need to be carried out. Successful WAG floods can yield 5-20% additional oil recovery over waterflood because of improved microscopic displacement efficiency by the solvent coupled with improving areal and vertical sweep efficiency.
The Water Alternating Gas (WAG) process can be optimized by using CO2 instead of natural gas, and adding some chemical additives in the water slug such as Alkalis, Surfactant and Polymers. This improvement in the WAG process by using chemical in the water slug is known as Chemical WAG or CWAG.
Gas slug is intended to be miscible to control mobility ratio, increase oil saturation because of the swelling, oil production and decrease water production. On the other hand, residual oil saturation is reduced by using surfactant in the water slug and Alkalis (generate surfactant in situ) as well as polymer to control mobility ratio.
WAG and CWAG screening criteria are also important to guarantee the success during implementation of these technologies. Detailed lab tests and pilot are needed to be conducted to understand the contribution of miscibility in the gas slug and the use of chemical to reduce oil saturation.
Training Objectives
This course provides theoretical & practical aspects of enhancing oil recovery by using chemical EOR methods in running successful water alternating gas floods.
Benefits of the Course :
- Build strong understanding in chemically enhanced WAG processes
- Improvise the efficiency of current conventional WAG process
- Optimization in CWAG using simulation approach
Audiences
This course is designed for, but not limited to, Reservoir Engineers, EOR Project Engineers, EOR Project Managers, EOR Project Coordinator, Production Technologists, Laboratory Technicians, Researchers in Reservoir Engineering
Instructor
Andres Yrigoyen
Andres Yrigoyen has18 years of experience in Oil & Gas industry and was a Senior Reservoir Engineer in Petroleos de Venezuela SA (PDVSA). He was a Senior Reservoir Engineer Consultant in Halliburton Latin America, Colombia and has provided consulting and advisory services in reservoir engineering. He has involved in unconventional development project for ConocoPhilips exploratory gas development was a leader of integrated studies for PDVSA Gas two districts, Anaco and San Tome, 200 main reservoirs and more than 500 active wells.
Instructor in Petroleos de Venezuela SA (PDVSA) for the following courses:
- Simulation of CWAG Process
- Simulation of WAG Process
- Simulation of Polymer, Surfactant Polymer and Alkaline-Surfactant-Polymer (ASP) Processes
- Reservoir Simulation
- Well Test Design & Interpretation
- Water Flooding
- Field Development Plan
- Compositional Reservoirs Modeling
- PVT Validation for Black Oil & Condensate
- Geostatistics for Petroleum & Reservoir Engineer
Daily Aims
Day 1
- Introduction of EOR Methods
- WAG and CWAG Process-Factors to be Considered In Designing
- Laboratory and Pilot Tests to Understand WAG Process
- Exercise
Day 2
- Miscible and Immiscible Displacements
- Chemical EOR Methods and WAG Processes
- Exercise
Day 3
- Simulation of CWAG Processes
- Surface Facilities, Surveillance and Monitoring of CWAG Processes
Training Schedule
| Code | Start Date | End Date | Locations | Cost | Instructor |
|---|---|---|---|---|---|
| PST0380-201601 | Kuala Lumpur, Malaysia | USD 2,895 | Andres Yrigoyen |
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