Trsv overview external

© 2008 Halliburton. All Rights Reserved
Tubing-Retrievable Subsurface
Safety Valves

Topics
• Design Philosophy
• Reliability
• Tubing-Retrievable Safety Valves
– General Applications
– HPHT Applications
– Deepwater/XHP Applications
• Specialized applications

Halliburton SSSV Philosophy
• Reliability is the top consideration
– Design
– Verification
– Performance
– Protection

Reliability - Design
• Unique Features Offered only by Halliburton in all of its
TRSV’s
– Verified 100% Metal-to-Metal Flapper Sealing
– 100% Metal-to-Metal Well Containment in the Closed Position
– Enhanced Debris Isolation (Positive Debris Barrier at Both Ends
of Flow Tube in Full Open Position)

Reliability - Verification
• Rogaland testing is the Halliburton standard for
TRSCSSV validation testing
– 60 differential openings at max control line pressure
– 120 slam closures in sand slurry vs. 7 for API 14A
• API 14A Validation and Monogramming
• Every size of HST body joint thread is validated to the full
performance envelope rating
– All four combinations of Burst, Collapse, Tension, Compression

Weibull Curve vs. MTTF
Reliability - Performance

Reliability – Protection While in Service
• SSSV Reliability Protection Centers
– Houma, LA
– Montrose, Scotland
• SSSV Repair (API 14A Licensed)
– Houma, LA
– Montrose, Scotland
– Singapore
– Carrollton, TX

Tubing-Retrievable Safety Valve Products
• General Production Applications
– WellStar®
– NE™
• HP/HT, Large Bore and Critical Applications
– SP™
• Deepwater/XHPHT Applications
– DepthStar®

General Production – WellStar®
TRSV
• Simple, compact design for optimum
reliability and durability
• Premium material construction through
enhanced metallurgy selection
• Unique actuation with superior durability
• Enhanced debris isolation and protection
• Full metal-to-metal well containment

General Production - WellStar TRSV
Unique Flow Tube Isolation
100% MTM Well
Containment
No Leak Paths in
Communication System

General Production – NE™ TRSV
• 100% MTM well containment
• No construction seals in the
communication system
• Highest hydraulic piston actuator
pressure rating in the industry
• Most field-proven and reliable piston
actuator in the industry
• Enhanced debris isolation

General Production - NE TRSV

WellStar and NE TRSV Specifications
Tbg
Size
Pressure
Rating
Max
O.D.
Packing
Bore
Lock
Profile
5,000 3.63
2-3/8 5,000 3.70 1.875 X
10,000 3.97
5,000 4.56 2.125
2-7/8 5,000 4.65 2.188 X, R or RQ
10,000 4.91 2.313
5,000 5.03 2.562
3-1/2 5,000 5.20 2.750 X, R or RQ
10,000 5.62 2.813
5,000 6.62
4-1/2 5,000 6.73 X, R or RQ
7,500 6.97
3.750
3.813

HP/HT, Large Bore - SP TRSV
• Ultimate design solution for reliability
• Unsurpassed performance
• Enhanced debris isolation and protection
• Full metal-to-metal containment
• Premium material construction

SP TRSCSSV
• Piston assembly
Upper Metal-to-Metal
Hydraulic Seal
Non Elastomer
Dynamic Seals
Lower Metal-to-Metal
Hydraulic Seal

• MTM downstop seat
• Complete isolation of the
closure mechanism
• Eliminates flow from entering
the operator of the valve
• Full protection during the
flowing conditions
Enhanced Debris Isolation
Isolation of Lower and Upper End

Spherical Sealing Flapper
Performance-Based Sealing
• Spherical sealing flapper providing
unsurpassed MTM sealing
• Recognized by petroleum engineering
international for innovative
engineering
• Flapper seat coupled to valve, loading
by torqued MTM seal
• Verification sand testing exceeding
API Class 2 by nearly twenty fold
True Metal-to-Metal Flapper Sealing

SP TRSV Specifications
Tubing
Size
(in.)
Pressure
Rating
(psi)
Max
O.D.
(in.)
Packing
Bore
(in.)
2-3/8 5,000-10,000 3.63-3.97 1.875
2-7/8 5,000-20,000 5.41-5.495 2.313
3-1/2 5,000-20,000 5.03-6.18 2.313-2.813
4-1/2 5,000-15,000 5.95-7.57 3.125-3.813
5-1/2 5,000-12,500 7.69-8.38 4.125-4.750
7 5,000-10,000 8.38-9.60 5.750-5.963
9-5/8 5000 11.75-12.02 8.500

Specialized Developments
• Slimline TRSV
• Cementing through TRSVs
• XHP/HT
• Low operating pressure for deep-set subsea

• 11.75” OD (High-Strength Nickel Alloy)
• 12.02” OD (80ksi MY Material)
• Runs inside 13 3/8” casing
• 8.50” ID
• Compatible with 9 5/8” 47# tubing
• 5,000 psi Working Pressure
9 5/8” SP TRSV

7” Slimline SP TRSV
• 8.38” OD (High Yield Nickel Alloy)
• 8.52” OD (80ksi MY Material)
• 6000 psi rating with 5.813” ID
• 5000 psi rating with 5.875” ID

4 1/2” Slimline NE TRSV
• 5.965” OD (7” 32# drift 5.969”)
• 3.813” ID
• Up to 7500 psi working pressure

Cementing Through TRSV’s
• Over 1500 completions using 2 7/8” & 3 1/2”
WellStar TRSVs
• Over 150 completions run with 4 ½ and 3 ½ NE
TRSVs
• Multiple completions run with 4 ½ and 5 ½ SP
TRSVs

XHP/HT Applications
• 3 ½” 20,000 psi TRSCSSV – Available
– 5.495” OD x 2.313” ID
– 6.52” OD x 2.562” ID
• 3 ½” – 4 ½” up to 30,000 psi – Feasibility study
• 5 ½” 15,000 psi - Design Layout
– 8.38” OD x 4.562” ID
• 5 ½” 20,000 psi – Feasibility study
• 7” 10K TRSCSSV – Available
– 9.07” OD x 5.813” ID

Deepwater Subsea – DepthStar TRSV
Revolutionary Step Change
Completion design and
valve placement
Reliability
Cost of overall operating
system
Safety
Enables the future

DepthStar®
TRSV – A Complete Solution
• Unique magnetic coupler removes actuator from wellbore
–Proven SP™ Actuator
• Enhanced reliability
–No moving seals and 100% M-T-M within wellbore
• Low operating pressure
–Operates with 5000 psi control pressure, independent of depth and
wellbore pressure
Winner of the Woelfel Best Mechanical Engineering Achievement, OTC Spotlight on
New Technology, World Oil Best Completion Technology and Energy Institute
Technology Awards

Trsv overview external

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