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WOC Projects – Challenging Production Conditions
The WOC Projects are focused on addressing and overcoming complex production challenges in fields where operational conditions hinder optimal performance. These challenges may include high water cut, sand production, fluctuating reservoir pressure, or equipment limitations. By applying advanced diagnostics, real-time monitoring, and engineering analysis, the WOC team works to identify the root causes of production issues and implement effective solutions that stabilize and enhance output.
Targeted Solutions for Harsh Operating Environments
In response to these demanding conditions, WOC Projects employ a tailored approach for each affected well or field. This includes re-evaluating well designs, optimizing artificial lift systems, and adjusting production strategies to adapt to changing reservoir behavior. The goal is to maximize hydrocarbon recovery while maintaining operational safety and efficiency. Through continuous assessment and innovative problem-solving, the WOC Projects ensure that even under the most challenging conditions, production potential is realized and sustained.
Case 1: High WC% Wells - North Waha Station
Field Overview
- Field: WAHA WAHA
- Station: North Waha
- WC% Range: 70-90%
Technical Challenges
- High water cut ratio in 5J-AREA wells
- Maintaining production efficiency with elevated water content
MPFM Solutions
- Continuous real-time performance monitoring
- High-accuracy water cut measurement validation
Case 2: Sluggy Wells - South Waha Station
Field Data
- Field: WAHA WAHA
- Station: South-Waha
- Liquid Rate Fluctuation: ±35%
Operational Challenges
- Rapid liquid rate variations (77-235 BPD)
- Extended stabilization periods (4-6 hours)
Optimization Strategy
- Real-time slug flow pattern analysis
- Pump redesign recommendations
Case 3: High GOR Wells - Faregh Phase I
Field Parameters
- Field: Faregh
- Station: Phase I
- GOR Range: 4,000-13,000 SCF/BBL
Technical Challenges
- Extreme gas-oil ratio variations
- Flow regime instability
MPFM Solutions
- High-frequency GOR measurements
- Real-time flow regime characterization
Case 4: Gas Condensate Wells - Faregh Phase II
Field Overview
- Field: Faregh
- Station: Phase II
- Fluid Type: Gas + Condensate
Technical Challenges
- Accurate condensate/gas ratio measurement
- Flow assurance monitoring
MPFM Solutions
- Three-phase flow measurement
- Condensate yield validation
| Parameter | Value |
|---|---|
| Average Liquid Q | 681.91 Stb/d |
| Gas Volume Fraction | 98.77% |
| Condensate-Gas Ratio | 39.63 MM/Mscf |
Case 5: ESP Frequency Optimization
Field Parameters
- Field: WAHA WAHA
- Station: South Defa
- Well: X1
Optimization Results
| Parameter | Test 1 | Test 2 | ||
|---|---|---|---|---|
| Frequency (Hz) | 54 | 52 | ||
| Liquid Flow (Sbbl/d) | 3274 | 3625 | ||
| Test | Liquid Flow (Sbbl/d) | Frequency (Hz) | WHP (Psi) |
|---|---|---|---|
| Initial | 3274 | 54 | 300 |
| Optimized | 3625 (+10.7%) | 52 | 265 |
Case 6: ESP & Choke Optimization - South Defa
Multi-Parameter Optimization
| Well | Liquid Flow | Frequency | WHP | Choke |
|---|---|---|---|---|
| X2 (Initial) | 1970 | 52 | 210 | 48/64" |
| X2 (Optimized) | 2082 (+5.7%) | 54 | 162 | 58/64" |
Case 7: Re-Designed Wells Evaluation
24-Hour Monitoring Results
| Time | Sample WC% | MPFM WC% |
|---|---|---|
| 19:00 | 79.25 | 78.40 |
| 20:00 | 80.70 | 82.96 |
| 21:00 | 65.36 | 66.55 |
Case 8: WC Verification - Gialo-59
Fluctuation Analysis
- Liquid Rate Range: 77-235 BPD
- WC% Fluctuation: 59-84%
Validation Results
| Measurement | MPFM | Lab |
|---|---|---|
| WC Accuracy | 98.5% Match | |
| Measurement Range | 0-100% | 0-100% |
