Throughout this system, the waste gas is recycled through a vapor recovery system where the gas is recovered and returned to the process.
As previously indicated, the thermal flow meter is not traditionally suitable for accurate emission measurement or obtaining a mass balance for the main flare header due to the extreme variations in gas composition. However, thermal mass flow meters can be used in refineries or chemical plants to discern which particular operation is sending flow to the flare.
The regulations require that all flares, except for emergency flares, be continuously monitored for gas discharges to the flare. As previously indicated, thermal flowmeters are not suitable for this application due to the potential for significant gas composition modifications. Atmospheric storage tanks are large aboveground containers commonly used in oil and gas production, containing liquids of oil or gas condensate.
Storage tank emissions from venting are mostly volatile organic compounds VOC and considered hazardous air pollutants HAP. Regulatory agencies may require that the emissions be quantified and reported. Additionally, reporting tank venting for greenhouse gas emissions is required under 40 CFR part More information on using thermal mass flow meters to measure flashing and working losses of oil and gas atmospheric storage tank emissions are on Atmospheric Storage Tank Vent.
In our next post on flare flow measurement, we explore various flow measurement technologies for flare gas measurement, including ultrasonic flow meters, averaging pitot tube, and thermal mass flow meters. Perhaps this video and articles may interest you:. Bob Steinberg is the president of Sage Metering Inc. Steinberg has started three successful enterprises and has over 20 years of management, sales, and marketing experience in the process industry. In addition, he has had extensive experience managing, supporting, and training industrial rep organizations, specifically in the thermal mass flowmeter industry.
Steinberg can be reached at bob sagemetering. I am conducting some research on platform flares and keen to have some data on the largest platform flare used offshore. I believe it was the N Rankine platform with a throughput of around 1. Thanks for the great info! Improperly operated flares may emit methane and other volatile organic compounds as well as sulfur dioxide and other sulfur compounds, which are known to exacerbate asthma and other respiratory problems.
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People are the key to achieving our vision of a cleaner energy future for everyone. We are committed to operating with sound environmental practices to protect the planet. Our culture promotes and encourages employees to act with integrity, responsibility, and compliance every day. Supplier Resources. Additional Resources. More information related to Baker Hughes. Stories 5 things you should know about flaring. For starters, what exactly is the pole with a flame we often see at industrial sites?
So why is the flare stack producing fire? Does flaring release carbon emissions? What are some common misconceptions about flaring? Combustion Efficiency CE and flare appearance 5. A gas flare — also known as a flare stack — is a gas combustion device used in industrial plants such as petroleum refineries, chemical plants, and natural gas processing plants and at oil or gas production sites. By burning excess natural gas, flaring protects against the dangers of over-pressuring industrial equipment.
Natural gas can be stored and transported instead of flared, but it is highly flammable. Between and , there were significant safety incidents at natural gas transmission pipelines. These incidents led to 10 fatalities and 85 injuries. Transporting natural gas from a rig to homes and businesses is high risk and many companies choose flaring as the alternative. One of the main reasons for gas flaring is the disposal and burning of natural gas as waste.
Typically when there are large volumes of hydrogen sulfide in natural gas, it cannot be safely extracted.
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