Setting a Global Standard. SingleBore Subsea Completion System

Transcription

1 Setting a Global Standard SingleBore Subsea Completion System

2 Dril-quip s Vertical Tree Surface Tree Tubing or Drill Pipe Running String Offshore, Time is Money. Dril-quip s SingleBore Completion System is a time-saving alternative to expensive traditional subsea completion system designs. Tension Joint Tree Running Tool Control Umbilical SingleBore Tree The SingleBore Completion System eliminates the need to run and retrieve a wireline plug to open and close the annulus. It employs these unique components: Dril-Quip s patented annulus valve, the SB-Valve SingleBore Tubing Hanger System SingleBore Subsea Tree SingleBore Tubing Hanger Subsea Wellhead System The performance and reliability of the SingleBore Completion System and its components are backed by a team of experienced engineering, field service, manufacturing and management specialists. 1

3 Completion System Alternative Unique Design = Less Cost The unique design allows the SingleBore Tubing Hanger, SingleBore Tree and Tree Cap to be run on drill pipe or tubing, which lowers cost in two ways: Simplifies or eliminates many traditional components; completion riser, multiple bore riser spiders and complex lower riser packages are not required Compact envelope dimensions and simpler equipment offer maximum rig selection flexibility and make installation and operation easier and faster Singlebore Tree Running Tool, Tree and Tree Cap (Inset: Hose Bundle and Reel) Safe and Dependable The SingleBore Completion System offers all the safety features of the traditional dual bore completion system. Design allows for cleaning subsurface safety valves (SSSV), chemical injection and electric stabs before making tree connection Dril-Quip s exclusive field-proven tubing hanger sealing system is metal-to-metal The annulus SB-Valve is field proven The SingleBore Tubing Hanger and SingleBore Tree components are field proven Remote Operated Vehicle (ROV) Compatibility The SingleBore Completion System is designed for use with ROVs. All valves can have ROV overrides and visual position indicators Unique, low-cost ROV-assisted flowline connection system is available Dril-quip Your Single-Source Supplier From a single wellhead to multiple offshore development projects, Dril-Quip has the expertise, facilities and technology to get the job done. Dril-Quip offers a full line of drilling and completion equipment, from the tubing hanger, tree and running tools through the workover riser system and the hydraulic workover control system. For more information, contact a Dril-Quip representative today. 2

4 The Singlebore Tubing Hanger Top View of SinbleBore Tubing Hanger 5" Bore S1 S3 S2 S6 S4 S5 Downhole Electrical Transducer Valve Open Valve Downhole Safety Valve Valve Close S1 through S6 are penetrations that can accommodate: Additional Downhole Safety Valves Chemical Injection Lines Smart Completion Valves The Singlebore Tubing Hanger System with Sb-Valve provides the Following benefits: The SingleBore Tubing Hanger allows downhole safety valve control, injection line connections, downhole temperature and pressure monitoring, and a submersible pump power cable, if required The tubing hanger is available for H 2 S and severe service Tubing sizes up to 7" can be accommodated while maintaining a 2" annulus access Dril-Quip s patented sb-valve replaces annulus plug profile in the tubing hanger and the necessity for dual bore running string The Sb-Valve is pressure balanced so that pressure in the annulus will not accidentally open or close the bore The annulus SB-Valve system is testable from above to confirm sealing integrity Singlebore Tubing Hanger, Running Tool and Orientation Joint on the rig floor Unique Patented SB-Valve and Access Allows larger production bore and the addition of downhole equipment Hydraulically opened and closed through the workover control system Replaces the need for a wireline plug in the annulus bore of the tubing hanger Metal-to-metal sealing throughout; of special note are metal-to-metal seals between ball and seat seal, and between seat seal and tubing hanger body Sealing area is hard-banded for long, durable life and reliable sealing performance Resilient seal backup Provides a 2" annulus access Field-proven performance 3

5 Control Fluid in Port A (open position) Tubing Hanger Body Ball Open to Tree Control fluid in Port A provides pressure on the open function and keeps the SB-Valve piston down to allow flow through the annulus bore to the stab sub. Pressure in the annulus will not close the SB-Valve because the Sb-Valve is pressure balanced by design. Control Fluid in Port B (partially closed position) Piston Stem Packing Seal Bore Piston Lower Retainer Cap Control Fluid in Port B (closed position) SB-Valve Partially Closed Control fluid in Port B starts the piston upward to rotate the annulus ball into the closed position. Sb-valve Closed Control fluid in Port B shifts the piston up, moving the Sb-Valve annulus ball into the closed position and blocking annulus access. Pressure in the annulus will not arbitrarily open the Sb-Valve, but instead will assist in sealing the ball against the seat. 4

6 The Singlebore Tree the unique features of the Singlebore Tree enable operators to save time and money Singlebore Tree in Systems Integration Testing (SIT) The SingleBore Tree requires less time for installation and workover than all other tree types The SingleBore Tree is more compact, shorter and more cost-effective than an equivalent dual bore or horizontal completion tree The workover riser system and surface tree for the SingleBore Tree are simpler and less expensive than systems for traditional dual bore trees Singlebore Tree after blast and paint Since no wireline plug is required for the annulus, vertical access to the annulus is not needed; the only vertical bore through the SingleBore Tree is the production bore The design can accommodate tubing diameters in the range of 2 3 /8" to 7"; the production bore is normally set off-center to accommodate control line connections Since only one vertical bore exists, the SingleBore Tree can be run on tubing or drill pipe with an umbilical; the SingleBore Tree design eliminates the need for an expensive dual bore completion riser system Singlebore Gas Tree being lifted off a workboat onto the rig Flow through the tree to and from the annulus occurs in a series of connected bores; annular flow from downhole exits from the side of the tree through the annulus master valve; during running or retrieving, or during workover, a 1-inch O.D. highpressure line run with the workover control umbilical provides access to the annulus The SingleBore Tree and Tree Cap Running and Retrieving Tool replace an expensive lower riser package and an emergency disconnect system The SingleBore Tree is available for through-tree pigging The SingleBore Tree maintains all safety features of a dual bore tree The SingleBore Tree body incorporates integral production master and production swab valves and an annulus master valve Oil production Singlebore Tree offshore prior to being run 5

7 Access Flowline Flowline Access Flowline Flowline Top View showing Through-Tree Pigging Top View of Basic Tree (Shown Sectioned) Crossover valve Access Valve Hydraulic Master Valve Tree Cap Swab Valve Wing valve Wing Valve Flow line Master Valve Flowline Manual Master valve Temperature and pressure Sensor Dril-quip mechanical Lockdown system Dx mechanical Wellhead connector Side View* (Shown without Rov Panel) * Other designs are available, depending upon customer specifications. 6

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