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    ClearSign to demonstrate next-gen emissions control technology

    ClearSign Combustion Corp.

    ClearSign Combustion Corp. (NASDAQ: CLIR), which provides combustion and emissions control technology for industrial, commercial, and utility markets, has entered into a field test agreement with Aera Energy LLC to demonstrate and test its proprietary Duplex tile combustion technology in oil fields located in Kern County, California.

    The company’s technology aims to improve environmental performance while reducing operating costs of steam generators for enhanced oil recovery (EOR).

    Under the agreement terms, ClearSign and its subcontracted field engineering team will retrofit an existing steam generator unit with ClearSign’s Duplex tile technology to test capability to achieve ultra-low emissions (5 ppm) of nitrogen oxides (NOx). Duplex technology will be paired with an existing forced draft burner and will operate at a heat release of 30 to 60 MMBtu/hr (roughly equivalent to 9 to 18 MW). This will represent the largest scale demonstration under process conditions of the company’s Duplex tile technology to date.

    ClearSign plans to begin the project before the end of the current quarter. As testing progresses, ClearSign will provide additional detail regarding its plans to enter the once through steam generator (OTSG) market, including identifying distribution partners.

    The heavy oil that comprises the oil sand reserves in areas like the San Joaquin Valley in California and in Alberta, Canada, is so thick that its viscosity must be reduced in order to recover, process, or transport it. Steam is generated in large units called OTSGs and then pumped into the oil reservoir to heat the oil to allow it flow more easily.

    Worldwide, 96.5% of EOR is performed via steam generation, of which 65% occurs in North America alone. In the US, 94% of EOR occurs in California’s San Joaquin Valley, where 303,000 barrels per day (bpd) of oil are produced using 768 OTSGs, each averaging 60 MMBtu/hr. In Canada, virtually all EOR occurs in Northern Alberta where almost four times (1.2 million bpd) the amount of oil is produced using 250 much larger OTSGs, each of which is over 250 MMBtu/hr.

    Retrofit activity is expected to be a key market driver in the US, where the San Joaquin Valley Air Pollution Control District’s Reg. 4320 mandates reductions in NOx to 9ppm or below. According to Visiongain, an explosion in new-build activity will characterize the market in Northern Alberta with the number of very large OTSGs expected to almost triple – to over 650 units – by 2023.

     

     

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