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Wells Optimization – El-Sharara Field (AOO Projects)
In the El-Sharara Field, a major initiative under the AOO Projects focuses on optimizing well performance to enhance oil production efficiency. This involves comprehensive monitoring and analysis of well behavior to identify performance issues such as increased water cut, pressure decline, or mechanical inefficiencies. By leveraging real-time data and advanced diagnostics, the project aims to fine-tune production parameters and implement targeted interventions that support long-term well productivity and sustainability.
AOO’s Strategic Approach to Production Enhancement
The optimization efforts in El-Sharara are part of AOO’s broader strategy to maximize asset performance while minimizing operational losses. Through detailed well testing, reservoir analysis, and flow assurance studies, AOO identifies opportunities for improvement across various wells in the field. The project emphasizes data-driven decision-making and customized solutions for each well, ensuring that production is consistently aligned with reservoir capabilities and economic targets.
Case 1: New ESP Well at B-NC115
Field Information
- Field: El-Sharara
- Background: New oil well requiring MPFM testing for optimal ESP operation
Key Challenges
- Optimize ESP performance without historical test data
- Determine optimal frequency (50-57Hz) and WHP (240-320Psi)
Solutions
- Multi-frequency testing increasing liquid production by 500 BPD
- WHP pressure testing for optimal ESP design
- Real-time flow regime monitoring
| Parameter | Before | After |
|---|---|---|
| Total Liquid Production | Base Rate | +500 BPD |
| Operating Frequency | 50Hz | 57Hz (Optimal) |
Case 2: Sudden Drop Detection in ESP Well
Field Overview
- Field: El-Sharara
- Issue: Production drop from 1291 BPD to 505 BPD
Technical Challenges
- Undetected production decline causing revenue loss
- Diagnosing sudden performance drop
Solutions
- Multi-scenario analysis and monitoring
- Pump rotation correction
- Continuous performance validation
| Metric | Before | After Correction |
|---|---|---|
| Oil Production (BPD) | 505 | 1041 |
| Downtime | 1 Month | 0 Days |
Case 3: New ESP Well Performance (A-NC115)
Field Data
- Field: El-Sharara
- Initial Production: 600 BPD (Above ESP Capacity)
Operational Challenges
- ESP pump operating beyond optimum rate
- Requirement for workover operation
Optimization Process
- ESP pump redesign and upgrade
- Continuous MPFM monitoring
- Production enhancement strategy
| Parameter | Before | After |
|---|---|---|
| Production Rate | 600 BPD | 1300+ BPD |
| ESP Efficiency | 78% | 94% |
Case 4: ESP Failure Detection & Correction
Field Overview
- Field: El-Sharara
- Issue: Incorrect pump rotation & ESP failures
Technical Challenges
- Identifying pump rotation issues
- Diagnosing ESP failures in real-time
Solutions
- MPFM-based rotation analysis
- Performance deficiency detection
- Pump correction advisory
| Metric | Before | After |
|---|---|---|
| Pump Efficiency | 62% | 89% |
| Diagnosis Time | 72 Hours | 4 Hours |