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The new standard in heavy oil storage

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ther·mal : Intended or designed in such a way as to help retain heat op·ti·mize : to make as effective, perfect, or useful as possible pro·duc·tion : The creation of value or wealth by producing goods and services

Thermally Optimized Production (T.O.P.) “The creation of value or wealth by producing goods that are designed to retain heat as effectively as possible.” Source: dictionary.com

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1,000 bbl storage tank with burner tube, burner, flame arrestor & gas control.

Conventional Setup

Secondary containment Multiple propane tanks

Flowline Shack with wellhead engine, hydraulics, & gas scrubber

Wellhead

Setup 1,000 bbl storage tank w/ compartment

Secondary containment

Propane tank (if necessary) Flowline

Wellhead

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Wellsite

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Streamlined setup No burner tube inside tank No exterior engine shack Less propane storage Stairs over secondary containment included Easier access for operators, well servicing, & fluid hauling

A Typical Conventional Wellsite  

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Flow line connects the wellhead to the storage tank Oil produced @ ~10°C, heated on-site to ~80°C prior to transport The oil is heated using a burner system, consuming large amounts of fuel Heat off wellhead engine & hydraulics in the shack vents into the atmosphere

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Fluid Heating Methods 

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Conventional tank heating uses a burner system fuelled by combustion of non-renewable resources (Inefficient, intermittent, direct heat) Efficiency gains are available by capturing on-site heat sources Top tank harnesses the engine heat, engine exhaust, and glycol heat to warm the fluid instead (Very efficient, continuous, radiant heat)

Advantage 

Enough heat generated from three sources can help maintain an optimal oil temperature inside the tank without the use of a burner system 1) Engine Compartment Heat 2) Engine Glycol Line/Loop 3) Engine Exhaust Coil

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Compartment Heat Engine

Gas Scrubber Hydraulics

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Heat producing components moved into a compartment inside the tank

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Typical compartment temperatures are 20 to 35°C with the door closed

Engine Compartment   

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Minimal volume displacement ~60 bbl equivalent Constant source of heat because engine always running Engine heat varies with changes in motor speed (rpm) Compartment air regulated through fresh air intake and exhaust Contributes 20% of total heat generated

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Glycol Tank

Engine Glycol Lines 

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Glycol Lines

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Radiator replaced with glycol loop circulating throughout tank interior Glycol exits engine between 160 and 200°F, returns 5°F lower glycol can be bypassed as well External tank for checking level and quality of glycol inside tank

Engine Glycol Lines  

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2 separate glycol loops inside tank Longer loop (140ft) provides more heat to tank interior than the shorter loop (80 ft) Glycol lines located above engine compartment but still submerged in water Contributes 40% of total heat generated

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Engine Exhaust Coils   

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2 separate exhaust coils inside tank Exhaust exits engine @ ~750°F Longer coil circulates hot air through 80ft of 4” steel pipe Shorter coil routes engine exhaust directly to outside Both exhaust coils can be situated in either the oil or water inside the tank

Engine Exhaust Coils 

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Automatically switches to bypass when oil temperature >82°C & back to normal exhaust when 3m away from tank Automatic low-level detect shutoff Emergency engine shutoff via battery box

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Digital LEL Lockable Door

Battery Box

Fresh Air Intake

Quiet & Refined   

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Engine inside compartment and mufflers installed on tank exterior Reduces on-site noise over 85% Constant radiant heat vs. direct intermittent heat allows contaminants to separate more easily Lower oil/H2O ratio of fluid hauled in the storage tank

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Operator Friendly     

No need to re-light burner in extreme weather conditions Gas tree & scrubber inside warm compartment prevents freezing Reduced vandalism/theft potential Quieter on-site work environment Riser heights ensure 3rd parties can’t draw fluids below critical levels

Environmentally Sound  

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Eliminate the burner, remove the largest source of GHG emissions Independent CO2 report calculates up to 200 cars per year removed per site Emission reduction dependent on burner efficiency, production rate, and H20% 3’’ urethane foam insulation used instead of the standard 1’’ thickness

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Cost Effective  

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Significantly reduce propane usage Tank purchase includes tank, stairs, engine, hydraulics, instrumentation & Enviro vault No engine shack (or setup) required Reduced refinement costs Future royalties on wellhead casing gas? Environmental credits, incentives and rebates

Corporate Profile Sales / Distribution: President: Kevin Clarke [email protected] (780) 871-1986 www.toptank.ca

Curtis

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The new standard in heavy oil storage

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