Riser fluid handling system
AssigneeRowan Deepwater Drilling (Gibraltar) Ltd.
InventorsMARTIN TINDLE, BRIAN PATRICK GARRETT, NICHOLAS BLAKE SCHOLZ
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Abstract
A fluid handling system comprising an annular sealing device and a flow control system to divert fluid flow from an annulus of a riser package to a control system located on a rig. A method of installing a fluid handling system on a riser package from a rig comprises connecting the fluid handling system to an upper end of a riser string, supporting the fluid handling system and the riser string using a first tubular handling device, and lowering the fluid handling system and the riser string to an operating position.
Claims21
A riser package for use on a rig, comprising:
- an annular sealing device coupled below a telescopic joint, wherein the annular sealing device is operable to completely close off fluid flow through a flow bore of the annular sealing device to prevent fluid from flowing up through a flow bore of the riser package past the annular sealing device;
- and
- a flow control device coupled below the annular sealing device, wherein the flow control device is operable to divert fluid flowing up through the flow bore of the riser package to a control system located on the rig.
A riser package for use on a rig, comprising:
- an annular sealing device coupled below a telescopic joint, wherein the annular sealing device is operable to sealingly engage a tubular string disposed through the riser package, wherein the annular sealing device comprises a non-rotating sealing element to sealingly engage the tubular string;
- and
- a flow control device coupled below the annular sealing device, wherein the flow control device is operable to divert fluid flow from an annulus formed between an outer surface of the tubular string and an inner surface of the riser package to a control system located on the rig.
A method of handling fluid flow through a riser package that is supported by a rig, comprising:
- providing an annular sealing device operable to completely close off fluid flow through a flow bore of the annular sealing device to prevent fluid from flowing up through a flow bore of the riser package past the annular sealing device, wherein the annular sealing device is coupled below a telescopic joint of the riser package;
- and
- providing a flow control device operable to divert fluid flowing up through the flow bore of the riser package to a control system located on the rig, wherein the flow control device is coupled below the annular sealing device.
A method of handling fluid flow through a riser package that is supported by a rig, comprising:
- providing an annular sealing device operable to sealingly engage a tubular string disposed through the riser package, wherein the annular sealing device comprises a non-rotating sealing element to sealingly engage the tubular string, and wherein the annular sealing device is coupled below a telescopic joint;
- and
- providing a flow control device operable to divert fluid flow from an annulus formed between an outer surface of the tubular string and an inner surface of the riser package to a control system located on the rig, wherein the flow control device is coupled below the annular sealing device.
A method of installing a riser package for use on a rig, comprising:
- lowering a riser string through a first tubular handling device located on the rig floor;
- supporting the riser string using a second tubular handling device located below the first tubular handling device;
- connecting the fluid handling system to the riser string;
- supporting the fluid handling system and the riser string using the first tubular handling device;
- and
- lowering the fluid handling system and the riser string to an operating position.
Dependencies are inferred from the claim text.