ITP InTerPipe

Qualifications and Certifications

Flowline Joint Industry Project (JIP) - 2000

Qualification	Flowline Joint Industry Project (JIP) - 2000
Sample details	A 37m section with 3 PiP sections with two field joints
Insulation	Izoflex^TM (17mm)
Objectives	Full-scale thermal test program for the ITP Flowline system
Pipe size features	10.75”OD x 12.7mm (0.5”) /12.75” x 6.35mm (0.25”)
Results	High thermal performance (U=0.5 W/m²K/0.088 BTU/ft²hr-°F) Evidence of the highly efficiency of Izoflex^TM


ITP sleeve located at field joint location	Testing in progress

GPRI Electrically Heated Flowline Joint Industry Project (JIP) – 2001

Qualification	GPRI Electrically Heated Flowline Joint Industry Project - 2001
Sample details	A 37m section with 3 PiP sections with two field joints
Insulation	Izoflex^TM (17mm)
Objectives	Full-scale thermal test program for the ITP electrically-heated flowline
Pipe size features	6.625”OD x 7.14mm (0.281”) / 9.625” OD x 6.35mm (0.25”wt)
Results	High passive thermal performance (U=0.5 W/m²K - 0.088 BTU/ft²hr-°F) Low Power Requirement: 7.5W/m to maintain the effluent temperature above HAT 10W/m to raise the temperature above the hydrate region (restart)

Connecting the power supply to the heat-traced pipe

July 2001 - GPRI Executive summary

LNG Pipe, Joint Industry Project (JIP) – 2001

Qualification	LNG Pipe, Joint Industry Project - 2001
Sample details	9m sample length
Insulation	Izoflex^TM (40mm)
Objectives	Verify the thermal performance of Izoflex^TM at LNG temperatures (-160ºC/-256°F) Demonstrate the fabrication of 36% NiFe pipe and the suitability for LNG transport
Pipe size features	32” OD x 6mm (0.236”) inner pipe; 36” OD outer pipe
Results	U-value of 0.11 W/m²K (0.019 BTU/ft²hr-°F) Fabrication of the first large diameter 36% Ni pipe

ITP LNG subsea pipe testing at cryogenic temperature (France)

McPipe Joint Industry Project (JIP) – 2003

Qualification	Mc Pipe, Joint Industry Project - 2003
Sample details	A 24m section with 2 PiP sections including one field joint
Insulation	Izoflex^TM (17mm)
Objectives	Determine the performance of Izoflex^TM at cryogenic temperature
Pipe size features	8.625”OD x 15.88mm (0.625”) inner pipe; 10.75” OD x 3.2mm (0.125”) intermediate pipe; 12.75” OD x 14.3mm (0.562”) outer pipe
Results	U-value for the cooldown of 0.43 W/m²K (0.076 BTU/ft²hr-°F) Evidence of a long passive cooldown time of 12 days

ITP Mc Pipe test piece, Scotland

QILSP – Qualification of the ITP LNG Subsea Pipeline, Phase 1 - 2004

Qualification	QILSP – Qualification of the ITP LNG Subsea Pipeline, Phase 1 -2004
Sample details	A straight section along with a 5D bend and riser (18m long in total)
Insulation	Izoflex^TM (40mm)
Objectives	Demonstrate: Fabrication process Design codes Design methodology & Finite Element (FE) models Thermal performance Mechanical performance
Pipe size features	24”OD inner pipe; 30”OD intermediate pipe; 34”OD outer pipe
Results	Evidence of thermal performance: U-value 0.13 W/m²K Mechanical design validated Validation of fabrication of 36% Nickel inner pipe DNV Statement of Feasibility, ABS Approval in Principle and Lloyd's Approval in Principle Certificate

ITP LNG Subsea Pipeline at -196°C

QILSP - Qualification of the ITP LNG Subsea Pipeline, Phase 2 - 2004

Qualification	QILSP – Qualification of the ITP LNG Subsea Pipeline, Phase 2 - 2004
Objectives	Identify viable suppliers of 36% nickel steel Procure base plate materials from viable suppliers Test base plates Test filler material candidates Test joints Perform FEA of a welded joint with a filler material with a high Coefficient of Thermal Expansion (CTE) to determine impacts of different CTES on the stresses imposed in the welds
Results	A base material specification for 36% nickel steel has been recommended Several suitable suppliers have been identified 2 design philosophies have been identified for filler materials FEA modelling proved that fatigue life was acceptable

DNV Certificate of Fitness For Service - ITP LNG Subsea Cryogenic Pipeline

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