Outflow control device, systems and methods
AssigneeWeatherford Technology Holdings, LLC
InventorJohn S. SLADIC
Life of this patent
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Abstract
A well tool assembly can include a well screen configured to filter fluid flow between an interior and an exterior of a tubular string, and an outflow control section that permits the fluid flow in an outward direction and prevents the fluid flow in an inward direction, the outflow control section including at least two outflow control valves arranged in series. A method can include installing a well tool assembly including a well screen, flowing a fluid from an exterior to an interior of a tubular string through the well screen and an inflow control valve of the well tool assembly, and flowing another fluid from the interior to the exterior of the tubular string through the well screen and at least one outflow control valve of the well tool assembly.
Claims14
A well tool assembly for use in a subterranean well, he well tool assembly comprising:
- a well screen configured to filter fluid flow between an interior and an exterior of a tubular string in the well;
- an outflow control section that permits the fluid flow in an outward direction and prevents the fluid flow in an inward direction, the outflow control section including first and second outflow control valves arranged in series;
- and
- an inflow control valve that prevents the fluid flow in the outward direction and permits the fluid flow in the inward direction.
(canceled)
14-30. (canceled)
Dependencies are inferred from the claim text.