1 What Leaks in a Well?
Of all leaks are 75%: casing wall and connections, tubing wall and connections
2 Turbulent flow generates ultrasound energy
The point system
3 Point specifications
4 Case study
Run history
- Over 600 LeakPoint operations globally
- Over 1100 leaks successfully located
- Operating efficiency > 90%
Client list
Aramco, BP, Chevron, CNR, ConocoPhillips, Dubai Petroleum, ExxonMobil, Gaz de France, Maersk, Marathon, Nexen, Nippon, Oxy, PDO, RasGas, Shell, Statoil, Talisman, Total, Zadco…
Case 1
Diagnosis
- Leak rate ≈ 2.30 liters/min
- 58 leaks confirmed in one run
- All leaks at casing connections
- >16 hours for operation
Value
- Reduced NPT vs conventional technologies
- Information enabled optimal choice of remedial action
- Procedures changed for construction of subsequent wells
Case 2
Diagnosis
- Leak rate ≈ 3.00 liters/min
- Single leak confirmed at tubing connection
- >4 hours for operation
Value
- Reduced NPT vs conventional technologies
- Accurate information enabled deployment of liquid sealant
- Production restored >14 hours
