Hot Dry Air Diffusion HDAD Technology for Lower Fars Heavy Oil
- Waleed Hussien Al-Bazzaz (Kuwait Institute for Scientific Research) | Laila Adnan Abdullah (Kuwait University) | Anfal Naser Qurban (Kuwait University) | Sharifa Abdul-Samad Al-Shatti (Kuwait University)
- Document ID
- Society of Petroleum Engineers
- SPE International Heavy Oil Conference and Exhibition, 10-12 December, Kuwait City, Kuwait
- Publication Date
- Document Type
- Conference Paper
- 2018. Society of Petroleum Engineers
- 5.4 Improved and Enhanced Recovery, 5.7.2 Recovery Factors, 4.1.2 Separation and Treating, 5.4 Improved and Enhanced Recovery, 7.7.1 New Technology Deployment, 5.7 Reserves Evaluation, 7.4 Energy Economics, 7.4.3 Market analysis /supply and demand forecasting/pricing, 4.3.4 Scale, 5 Reservoir Desciption & Dynamics, 4.1 Processing Systems and Design, 7 Management and Information, 4 Facilities Design, Construction and Operation
- Hot Dry Air Diffusion (HDAD), EOR/ IOR, Lower Fars, Heavy Oil Upgrading, Thermal Methods
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Lower Fars heavy oil <16 °API is considered a type of conventional heavy oil, which will be considered as priority petroleum production system for future heavy oil recovery in Kuwait. These types of oils are abundant in great amounts in Ratga field North Kuwait, yet expensive to produce due to its high viscosity hence low mobility underground. Kuwait strategy is shifting focus to these types of oils since conventional medium oil and other less-quantitative-light-oil reservoirs are continuously depleting. The study's interest is directed towards a specific type of EOR oil, which is hot dry air sequestration into Lower Fars heavy oil. This study presents novel heavy oil recovery method for 14 °API crude oil using hot dry air as well as their potential recoveries. All recoveries considered for this study are bench-scale laboratory physical experiments with horizontal (0 °), vertical (90 °), and directional (45 °) continuous air diffusion augmented with applied different thermal heat treatments.
The main objective for this research is to model recovery efficiency from this hot dry heat diffusion technique (HDAD). This technique will produce air diffusion design. This design will consider direction of blow diffusion for three possible well orientations: horizontal 0 degrees, vertical 90 degrees, and directional 45 degrees. Also, the design will consider six temperatures: 27 °C 30 °C 60 °C 70 °C 85 °C and 100 °C dry hot air diffusions. Moreover, the design will consider two diffusion velocities 74.08 km/hr and 111.12 km/hr. These velocities will determine designing the time of recovery, which is one hour, according to lab-time limitations and permissions. The main technology motivation for hot dry air diffusion (HDAD) research is finding the optimized economical EOR recovery efficiency factor that will extract most of 14 °API Lower Fars oil. The model determines the recovery potential factor in a classic, optimum and conventional economic scenario considering the energy usage to generate the hot dry air delivered to the reservoir. Also, HDAD technology usages will avoid the use of water technologies recoveries. Avoiding water technology recovery will minimize environmental impact, crude oil/ emulsions subsurface-mobility issues and costly water production management used at current steam economic challenges.
|File Size||1 MB||Number of Pages||15|
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