New Natural Draft Firetube Burner System Reduces Emissions and Fuel by 50%

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The oil and gas industry relies on on natural draft firetubes to provide heating requirements for heaters, glycol dehydrators, production units, oil treaters, steam generators and other process equipment. The new Engineered Concepts ASAC reduces firetube fuel usage and emissions by 50% on average.

ASACs reduce natural draft firetube emissions and fuel usage by 50% in oil and gas process equipment

Many customers are quite pleased to find our new equipment reduces emissions and fuel usage by 50% or more.

In onshore and offshore oil and gas production, midstream and processing, operators use the onsite natural gas to heat their process because it is in abundant supply. Natural draft firetubes are common in oil treaters, glycol dehydrators, gas production units, steam generators and a wide range of other process equipment. It is not uncommon for a large natural draft firetube that consumes more than a million BTU per hour to have a combustion efficiency ranging anywhere from 8 to 40% meaning 60 to over 90% of the natural gas fuel goes unburned and is vented to the atmosphere.

The new Engineered Concepts Automatic Secondary Air Control System (ASAC) reduces fuel costs and emissions by 50% on average by optimizing the fuel to air ratio much like a carburetor. The ASAC system can be retrofitted easily into new or existing process equipment. ASAC fuel consumption efficiency improvements have ranged from 30 to 75% in field studies.

"Process applications using a million BTU per hour and upwards best suit the addition of our ASAC states Gary Heath, Engineered Concepts Vice President of Engineering. Fuel savings and reduced emissions are immediate and the reliability of the burner system is improved with the ASAC. We are now including them (ASACs) with most of the larger process equipment we engineer and manufacture. Many customers are quite pleased to find our new equipment reduces emissions and fuel usage by 50% or more."

The founders of Engineered Concepts began operations as the Olman Heath Company in 1959 in Farmington New Mexico. Weatherford International purchased Olman Heath in the 1980s. The founders regrouped in 2000 forming Engineered Concepts LLC and began developing high efficiency emission reducing oil and gas production technologies. Engineered Concepts has experienced exponential growth offering oil and gas production equipment from the wellhead to the pipeline while specializing in a wide range of vapor recovery and emission reducing techniques. For more information visit:

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Jim Barnes
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