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Sean Sylva and Jeff Seewald monitor gas and oil separation during sample extraction.

Sean Sylva and Jeff Seewald monitor gas and oil separation during sample extraction.
Sean Sylva and Jeff Seewald monitor gas and oil separation during sample extraction.
Sean Sylva and Jeff Seewald monitor gas and oil separation during sample extraction.
Sean Sylva and Jeff Seewald monitor gas and oil separation during sample extraction.
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165902
Kleindinst, Thomas N.
Sean Sylva and Jeff Seewald monitor gas and oil separation during sample extraction.
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07/15/2010
graphics/Seewald_sampler_Gulf_Oil/_TOM9219.jpg
The Seewald sampler (IGT, Isobaric Gas-tight Sampler) was being opened and the samples from the Gulf of Mexico oil spill were being taken out. They were looking to calculate the amount of oil and gas that was coming out of the Gulf leak.
Image Of the Day caption:
Research associate Sean Sylva (left) and marine chemist Jeff Seewald carefully release highly pressurized fluid from an isobaric gas-tight sampler (IGT). The IGT was developed at WHOI to collect fluid flowing from hydrothermal vents and keep it at ocean-floor pressuresin some cases, more than 3,500 pounds per square inchas it returns to a lab for analysis. This prevents gases in the sample from escaping as the IGT nears the sea surface. On a Dive and Discover expedition in January 2014, Sylva and Seewald will use IGTs to collect microbes living in hydrothermal vent fluids to learn more about the vent ecosystem, which thrives in the complete absence of sunlight.
Caption from Oceanus magazine, Vol. 48. No. 3, Pg. 10:
WHOI geochemists Sean Sylva (left) and Jeff Seewald extract the samples from the pressurized device and separate the material into its components: natural gas and liquid oil (in bottle at right).
Photo by Tom Kleindinst
© Woods Hole Oceanographic Institution
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