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Scientific Drilling The open-access ICDP and IODP journal
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Temperatures of boreholes rise with depth with some reaching ~ 200 °C at their base. Water is found in the deep warm crust where it is altered, providing a potential habitat for microbial life. To advance studies on the Earth's crust, we developed a simple water sampler that is triggered mechanically at temperatures from 80 to 180 °C using shape memory alloys. Laboratory and deep-sea tests were conducted, but hole conditions did not allow its use on IODP Exp. 385T. The sampler is ready for use.
SD | Articles | Volume 28
Sci. Dril., 28, 43–48, 2020
https://doi.org/10.5194/sd-28-43-2020
Sci. Dril., 28, 43–48, 2020
https://doi.org/10.5194/sd-28-43-2020

Technical development 01 Dec 2020

Technical development | 01 Dec 2020

A new high-temperature borehole fluid sampler: the Multi-Temperature Fluid Sampler

C. Geoffrey Wheat et al.

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Short summary
Temperatures of boreholes rise with depth with some reaching ~ 200 °C at their base. Water is found in the deep warm crust where it is altered, providing a potential habitat for microbial life. To advance studies on the Earth's crust, we developed a simple water sampler that is triggered mechanically at temperatures from 80 to 180 °C using shape memory alloys. Laboratory and deep-sea tests were conducted, but hole conditions did not allow its use on IODP Exp. 385T. The sampler is ready for use.
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