E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 34/06 (2006.01) E21B 43/12 (2006.01)
Patent
CA 2737998
Apparatus and methods for controlling the flow of fluid, such as formation fluid, through an oilfield tubular positioned in a wellbore extending through a subterranean formation. Fluid flow is autonomously controlled in response to change in a fluid flow characteristic, such as density or viscosity. In one embodiment, a fluid diverter is movable between an open and closed position in response to fluid density change and operable to restrict fluid flow through a valve assembly inlet. The diverter can be pivotable, rotatable or otherwise movable in response to the fluid density change. In one embodiment, the diverter is operable to control a fluid flow ratio through two valve inlets. The fluid flow ratio is used to operate a valve member to restrict fluid flow through the valve. In other embodiments, the fluid diverter moves in response to a change in the fluid to affect fluid flow patterns in a tubular, the change in flow pattern operating a valve assembly.
Dejesus Orlando
Dykstra Jason D.
Fripp Michael L.
Halliburton Energy Services Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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