SingleBore™ Subsea Completion System
www.dril-quip.com
Setting a Global Standard
Dril-quip’s Vertical tree completion system alternatiVe
OffshOre, Time is mOney.
Dril-quip’s singleBore™ Completion System is a
time-saving alternative to expensive traditional
subsea completion system designs.
SingleBoreTubing Hanger
Surface Tree
Tubing or Drill Pipe Running String
Tension Joint
TreeRunning Tool
Control Umbilical
Subsea Wellhead
System
SingleBore Tree
1
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
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.
2
Dril-quip’s Vertical tree 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 flexibil-ity and make installation and operation easier and faster
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
SingleBore Tree Running Tool, Tree and Tree Cap(Inset: Hose Bundle and Reel)
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.
the singleBore
tubing hanger
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 H2S 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 annulus 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
top View of sinblebore tubing hanger
Annulus Valve Close
5" Production Bore
Downhole Electrical Transducer
S1 through S6 are penetrations that can accommodate:• Additional Downhole Safety Valves• Chemical Injection Lines• Smart Completion Valves
Downhole SafetyValve
Annulus Valve Open Annulus Valve
S1 S4
S2 S5
S3 S6
Piston
Control Fluid in Port B(partially closed position)
sb-ValVe partially closeD
Control fluid in Port B starts the piston upward to rotate the annu-lus 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.
Control Fluid in Port A
(open position)
Tubing Hanger
Body
Annulus Ball
Stem Packing
Annulus Seal
ProductionBore
Piston
Lower Retainer Cap
Control Fluid in Port B (closed position)
annulus 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.
4
5
SingleBore Tree after blast and paint
the singleBore tree
SingleBore Tree in Systems Integration Testing (SIT)
Oil production SingleBore Tree offshore prior to being run
SingleBore Gas Tree being lifted off a workboat onto the rig
The uniQue features of The singleBore tree enable operators to SaVe Time anD money
• 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
• Since no wireline plug is required for the annulus, vertical ac-cess 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
• 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. high- pressure 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 mas-ter and production swab valves and an annulus master valve
6
Annulus Master
Valve
Annulus Flow Line
Annulus Wing Valve
Annulus Access Valve
Crossover Valve
Production Wing Valve
Hydraulic ProductionMaster Valve
Tree Cap
ProductionSwab Valve
Production Flowline
Manual ProductionMaster Valve
Temperature and Pressure Sensor
Dril-quip MechanicalLockdown System
Dx® MechanicalWellhead Connector
siDe View* (shown without roV panel)* Other designs are available, depending upon customer specifications.
AnnulusAccessFlowline
ProductionFlowline
Annulus AccessFlowline
ProductionFlowline
top View showing
through-tree piggingtop View of basic tree
(shown sectioneD)
www.dril-quip.com
SS-15® BigBore™ IISubsea Wellhead System
www.dril-quip.com
Setting a Global Standard
WORLDWIDE SALES & SERVICE
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