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US 2024/0192039 A1Published application
Downhole flow-meter
AssigneeSaudi Arabian Oil Company
InventorsBander Al Quaimi, Hassan W. Al Hashim, Basmah Al Otaibi
Life of this patent
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Abstract
A downhole flowmeter assembly includes a main body configured to be disposed in a wellbore and a spinner assembly comprising a hub from which radially extends a plurality of pitched blades. The hub is configured to rotate in response to a flow of wellbore fluid across the blades, and a velocity of the flow can be determined from a speed of rotation of the hub. The assembly also includes an oleophobic coating disposed at least partially on the hub and the plurality of pitched blades.
Claims21
A downhole flowmeter assembly, the downhole flowmeter assembly comprising:
- a main body configured to be disposed in a wellbore;
- a spinner assembly comprising a hub from which radially extends a plurality of pitched blades, the hub configured to rotate in response to a flow of wellbore fluid across the blades, wherein a velocity of the flow can be determined from a speed of rotation of the hub;
- and
- an oleophobic coating disposed at least partially on the hub and the plurality of pitched blades.
1 more element
A method comprising:
- disposing, in a wellbore, a downhole flowmeter assembly, the downhole flowmeter assembly comprising:
- a main body configured to be disposed in a wellbore;
- a spinner assembly comprising a hub from which radially extends a plurality of pitched blades, the hub configured to rotate in response to a flow of wellbore fluid across the blades;
- and
- an oleophobic coating disposed at least partially on the hub and the plurality of pitched blades;
- and
- determining, from a speed of rotation of the blades, a velocity of the flow.
4 more elements
Dependencies are inferred from the claim text.