BECH AFD (Autonomous Flowcontrol Device)
The self-adjusting “ICD”.
Note also that the sketches illustrate a AFD with a sand screen attached. This is a concept only, where most likely the AFD will be of a design that can easily attach to any screen from any vendor. Our target is not to design or manufacture sand screens ourselves.
If you are familiar with ICD’s, you’ll understand how our tool works with respect to inflow or injection path. Flow from the reservoir enters through a sand screen, where it then goes through a choke before it enters the Autonomous Flowcontrol Device (AFD). After this, the flow exits into the production stream to the wellhead. The AFD will maintain a pre-requested flow rate, even if pressure outside and/or inside changes.
A complete tool may have up to 4 AFD’s incorporated.
Other web pages on this tool:
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