Flared natural gas-based onsite atmospheric water harvesting (AWH) for oilfield operations

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Video in TIB AV-Portal: Flared natural gas-based onsite atmospheric water harvesting (AWH) for oilfield operations

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Flared natural gas-based onsite atmospheric water harvesting (AWH) for oilfield operations
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CC Attribution 3.0 Unported:
You are free to use, adapt and copy, distribute and transmit the work or content in adapted or unchanged form for any legal purpose as long as the work is attributed to the author in the manner specified by the author or licensor.
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Release Date
2016
Language
English

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Abstract
Natural gas worth tens of billions of dollars is flared annually, which leads to resource waste and environmental issues. This work introduces and analyzes a novel concept for flared gas utilization, wherein the gas that would have been flared is instead used to condense atmospheric moisture. Natural gas, which is currently being flared, can alternatively power refrigeration systems to generate the cooling capacity for large scale atmospheric water harvesting (AWH). This approach solves two pressing issues faced by the oil–gas industry, namely gas flaring, and sourcing water for oilfield operations like hydraulic fracturing, drilling and water flooding. Multiple technical pathways to harvest atmospheric moisture by using the energy of natural gas are analyzed. A modeling framework is developed to quantify the dependence of water harvest rates on flared gas volumes and ambient weather. Flaring patterns in the Eagle Ford Shale in Texas and the Bakken Shale in North Dakota are analyzed to quantify the benefits of AWH. Overall, the gas currently flared annually in Texas and North Dakota can harvest enough water to meet 11% and 65% of the water consumption in the Eagle Ford and the Bakken, respectively. Daily harvests of upto 30 000 and 18 000 gallons water can be achieved using the gas currently flared per well in Texas and North Dakota, respectively. In fifty Bakken sites, the water required for fracturing or drilling a new well can be met via onsite flared gas-based AWH in only 3 weeks, and 3 days, respectively. The benefits of this concept are quantified for the Eagle Ford and Bakken Shales. Assessments of the global potential of this concept are presented using data from countries with high flaring activity. It is seen that this waste-to-value conversion concept offers significant economic benefits while addressing critical environmental issues pertaining to oil–gas production.

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hydraulic fracturing or fracking of shared resource is a deal with ginger for the
yes the sacking comes with a few concerns such as groundwater contamination and the risk of
earthquakes which get widespread media coverage however not many people know about blood that they can run into issues associated tracking the 1st issue
is flaring of excess natural gas produced after flocking so widespread fracking has
led to a surge of flaring in the U.S. recently so factually locks is like opening
a can of soda there is a huge amount of gas that freezes out initially many
cases do not have the infrastructure to handling
gas and so convenient option is to just burn it off Serre lawyer Lanlan gas is a European industry practice in the Balkan chilling not Dakoda 1 tone of the gas is fed the flaring is a
deal problem as you can see in the satellite
committee the Russians the Middle East folks half in countries where they have been doing this for decades Gasol at tens of billions of dollars every year is simply just 1 poly the 2nd
environmental issue associated with fracking is the huge what the requirement so a
flag job requires millions of gallons of water and what makes especially
challenging is that most fracking happens in water-stressed areas on
average it takes a boat full 50 trucks to transport water of 1 flag job and the cost of water can exceed 10
cents per gallon which is a big challenge for
the producers we looked at this problem and
say why not solve them work together a proposed solution is a technology known as at mostly water harvesting the idea here is
that excess gas can power scale refrigeration cycles to condensed moisture from here exactly like what happens in an air conditioner so we're basically talking about creating a value from waste and the basic technology to do this exists in today's market on
results so that flat gas this onside water production can make a big difference to the water crisis facing on produces this just is faring
eliminate millions of water trapped chips and provide on-site wanted to jail and fact thousands of new this concept works
best yeah rounding hot humid places like Texas which is responsible for 30 per
cent of U.S. letting surprisingly this also looks very rare in the summer
months in cooler climates like back until in optical order which contributes 40 per cent of US learning this lack of global
benefit and is especially attractive in hot humid places having excess natural gas like the Middle East Africa and Central America the question is whether all
producers have the defied to fight flaring reported
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