Nitrogen Services

Minimize downtime andreduce risk with engineered
nitrogen solutions

Applications• Purging and inerting• Drying/Stripping• Accelerated Cooling• Pneumatic Testing
Baker Hughes Process & Pipeline
Services (PPS) has a long historyof providing nitrogen services to avariety of customers throughout theUnited States and around the world.
Current and past customers include:
oil refineries, gas processing plants,
and petrochemical plants. With
our fleet of nitrogen pumps, liquid
nitrogen transports, mobile liquid
nitrogen storage units and nitrogenmembrane units dedicated to themidstream and downstream sectors,
we are able to handle any nitrogenservice project.

Nitrogen Equipment
Baker Hughes PPS owns nitrogenequipment that is capableof providing a wide range oftemperatures, pressures and flow
rates in order to meet customer
requirements. PPS equipment isstaged throughout the world, allowing
us to mobilize and execute projects
globally with minimal cost impact forclients.

Nitrogen Services
Our service offerings include: preengineering job design/proceduredevelopment, accelerated cool

down, hot nitrogen drying/stripping,purging/displacing volatile products,
system inerting, pipe freezing,pneumatic testing and nitrogen/helium leak testing. Additionally, PPS
has a proprietary accelerated cool
down simulator to model specificprojects and optimize the time andmoney required to complete thescope of work.
PPS understands the inherent
risks when working in processenvironments and our personnel aretrained specifically for work in the
midstream and downstream sectors.
From our training to our job execution
we work to ensure every project is
executed safely and efficiently. PPS
uses a standard nitrogen rig-in withmultiple risk mitigations included
and our pumps are equipped withan over pressure protection switch toautomatically shut down the pump incase an over-pressure event occurs.

• Leak Detection• Freeze Plug Isolations

Features and benefits• High flow rates – N2 pump units
that can deliver up to 16,000
scf/min (460 m3/min) with asingle unit.
• High pressures – N2 pump units
that can deliver pressures of up
to 10,000 psi (690 Barg).
• High temperatures – Direct
fired N2 pump units and steam
vaporizer units that can deliver
nitrogen gas at temperaturesup to 572°F (300°C).
• Supply options – Ability tosource liquid N2 from suppliers
across the country, minimizing
costs and ensuring nearby
delivery points. Ability togenerate the gaseous N2 on sitewith our membrane units.
• Storage options – Large fleetof N2 storage equipment,
including standard capacityand body load transports, aswell as King storage units that
hold up to 23,000 gal of liquidN2.

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Drying

Pipeline Product Displacements

N2 gas has been a drying medium in the market since
the inception of petrochemical processes. It provides anefficient medium for drying to extremely low dewpoints.

Product transfer for pipeline conversions, modifications,revalidation, testing, pigging and decommissioning areaccomplished quickly with Baker Hughes PPS high flow rateand high-pressure equipment.

Leak TestingWith a trace of helium, N2 used for final commissioning
verifies the safety and integrity of new and existing
facilities, and accurately detects leaks as small as 0.10 scf/year.

Accelerated Cooldowns
N2 as a ‘controlled’ cooling agent can greatly reduce thetime to cool process systems before pre-commissioning
with hydrocarbons or during maintenance turnarounds.

Purging & Blanketing

Foam Inerting
Eliminates explosive atmospheres in systems where it is
not feasible to remove all hydrocarbons or flammableproducts. Allows hot cutting on systems still containing
flammable liquids.

Freeze Plug Isolations
Used as a temporary isolation tool to freeze water, gel, andsome hydrocarbon products in various sized pipes. It provides
isolation anywhere in the system, particularly where valves are
not available.

N2 replaces hydrocarbon vapor, flammable and toxic gas,or air with an environmentally safe and inert medium for
shutdowns, turnarounds, services changes, inspection andmaintenance.

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