1. Subsea Injection Flow Metering
Seastream

2. Gas Lift / Gas Injection
Seastream
Water Injection
Gas Lift / Gas Injection
MEG Injection

3. Information Key to Design
Measurement Accuracy
Water Injection / MEG Injection
Flow Rate - Turndown
Density
Gas Lift / Gas Injection
Gas Composition
Pressure & Temperature

4. Design Considerations
Mechanical Connection
Process
Electrical
Design Envelope
Straight Lengths
Upstream
Downstream

5. Electrical Connectors
Diver Mateable
Stab Plate
ROV Connector
Fly-to-Place
EFL

6. Water Injection
Seastream Designs

7. Shallow Water Design

8. Structure Installation

9. Jumper Horizontal Installation

11. Jumper Vertical Installation

12. Gas Lift
Seastream Designs

13. Gas Lift Designs

14. Gas Lift Designs

17. MEG Injection
Seastream Designs

18. MEG Injection

19. MEG Injection
Flow Computer P P DP PT
Venturi
Flow

20. ROV Fly to Place
Seastream Designs

21. Fly to Place Sensors
For Water injection applications we have developed an ROV retrievable DP sensor.
For Gas lift and Wet Gas application we have reservations about using this technology due to the increased risk of hydrates.
However for liquid applications it’s a neat solution.
Here is an example of fly to place in operation.

25. Communications
Subsea Designs

26. Communications Subsea Protocol Options
Analogue (4-20mA)
Digital – More Diagnostics
Modbus
Canbus
SIIS Level II Compliant
Hi-Speed

27. Simulator SEASTREAM™
Since the introduction of digital communications we now have the ability to interrogate the flowmeter sensors for the purpose of acquiring diagnostic information.
At the same time it is possible to change transmitter settings and re-zero transmitters,
Which for a subsea flowmeter with a field life of 25 years can help to maintain its accuracy.

28. Metering Option SEASTREAM FloCalculator
1. Since the introduction of digital communications we now have the ability to interrogate the flowmeter sensors for the purpose of acquiring diagnostic information.
2. At the same time it is possible to change transmitter settings and re-zero transmitters,
3. Which for a subsea flowmeter with a field life of 25 years can help to maintain its accuracy.
4. Density Calculation / Discharge Coefficient
5. Second Generation to include an uncertainty calculation to indicate accuracy of flow meter.