SingleBore™ Subsea Completion System

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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

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