Computer Simulation of Single-Well Steam Assisted Gravity Drainage (SW-SAGD), SUPRI TR-119
- National Petroleum Technology Office
Steam assisted gravity drainage (SAGD) is an effective method of producing heavy oil and bitumen. In a typical SAGD approach, steam is injected into a horizontal well located directly above a horizontal producer. A steam chamber grows around the injection well and helps displace heated oil toward the production well. Single-well (SW) SAGD attempts to create a similar process using only one horizontal well. This may include steam injection from the toe of the horizontal well with production at the heel. Obvious advantages of SW-SAGD include cost savings and utility in relatively thin reservoirs. However, the process is technically challenging. To improve early-time response of SW-SAGD, it is necessary to heat the near-wellbore area to reduce oil viscosity and allow gravity drainage to take place. Ideally heating should occur with minimal circulation or bypassing of stream. Since project economics are sensitive to early production response, we are interested in optimizing the start -up procedure.
- Research Organization:
- National Petroleum Technology Office, Tulsa, OK (US)
- Sponsoring Organization:
- USDOE Office of Fossil Energy (FE) (US)
- DOE Contract Number:
- FG22-96BC14994
- OSTI ID:
- 9333
- Report Number(s):
- DOE/BC/14994-18
- Country of Publication:
- United States
- Language:
- English
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