Abstract
This work presents preliminary investigation on enhanced recovery of Nigerian heavy oil using cyclic steam stimulation (CSS) method. After two cycles of steam stimulation (1.88 wt/wt steam to oil ratio), it was observed that steam at pressure of 20 psig (126°C, 11.3 kgh-1) produced 78% of original oil in place (OOP). The recovery factor was increased to 91% following addition of alkaline solution (20ml, 0.2M NaOH). The average production rates of 0.63 liter/day and 0.83 liter/day were obtained for the system with steam injection only and the system with steam/alkaline addition, respectively.
| Original language | English |
|---|---|
| Title of host publication | 38th Nigeria Annual International Conference and Exhibition, NAICE 2014 - Africa's Energy Corridor |
| Subtitle of host publication | Opportunities for Oil and Gas Value Maximization Through Integration and Global Approach |
| Publisher | Society of Petroleum Engineers |
| Pages | 192-200 |
| Number of pages | 9 |
| ISBN (Electronic) | 9781634393461 |
| DOIs | |
| State | Published - 2014 |
| Externally published | Yes |
Publication series
| Name | 38th Nigeria Annual International Conference and Exhibition, NAICE 2014 - Africa's Energy Corridor: Opportunities for Oil and Gas Value Maximization Through Integration and Global Approach |
|---|---|
| Volume | 1 |
Bibliographical note
Publisher Copyright:Copyright © (2014) by the Society of Petroleum Engineers All rights reserved.
Keywords
- Cyclic steam stimulation
- Nigerian heavy oil
- Recovery factor
- Reservoir formation
- Thermal recovery
ASJC Scopus subject areas
- Energy Engineering and Power Technology
- Renewable Energy, Sustainability and the Environment
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