Decision-making method for dynamic optimization of wellbore heating parameters
By establishing a wellbore temperature field and pressure field model, combining on-site measurement and historical data, the wellbore heating parameters are dynamically optimized, and the production problems caused by changes in heavy oil viscosity are solved, achieving more accurate heating parameter adjustment and oil well production stability.
Patent Information
- Application Number
- CN201811053763.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2018-09-10
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2038-09-10
AI Technical Summary
During heavy oil mining, due to factors such as wellbore temperature and water content, the viscosity of heavy oil changes sharply, resulting in some heavy oil being unable to be lifted to the ground. The optimization parameters of existing wellbore heating technology are not targeted and cannot accurately obtain heating power. and water injection temperature.
The decision-making method of dynamically optimizing the wellbore heating parameters is adopted. By establishing the wellbore temperature field and pressure field model, combining on-site measurement parameters and oil well historical production data, the operating parameters of electrical heating and closed hot water circulation heating technology are optimized for different production cycles and The heating parameters are adjusted according to the conditions.
More accurate optimization of wellbore heating parameters is achieved, targeted and reliable oil well production is improved, blind parameter adjustment is avoided, and the stability of crude oil outlet temperature and economical production is ensured.
Smart Images
Figure CN110895627B_ABST