Articles | Volume 23
Sci. Dril., 23, 29–37, 2017
https://doi.org/10.5194/sd-23-29-2017
Sci. Dril., 23, 29–37, 2017
https://doi.org/10.5194/sd-23-29-2017

Technical development 30 Nov 2017

Technical development | 30 Nov 2017

Design and deployment of autoclave pressure vessels for the portable deep-sea drill rig MeBo (Meeresboden-Bohrgerät)

Thomas Pape et al.

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Cited articles

Abegg, F., Hohnberg, H.-J., Pape, T., Bohrmann, G., and Freitag, J.: Development and application of pressure-core-sampling systems for the investigation of gas- and gas-hydrate-bearing sediments, Deep-Sea Res. Pt. I., 55, 1590–1599, https://doi.org/10.1016/j.dsr.2008.06.006, 2008.
Abid, K., Spagnoli, G., Teodoriu, C., and Falcone, G.: Review of pressure coring systems for offshore gas hydrates research, Underwater Technol., 33, 19–30, https://doi.org/10.3723/ut.33.019, 2015.
Bohrmann, G. and cruise participants: R/V MARIA S. MERIAN Cruise Report MSM57, Gas Hydrate Dynamics at the Continental Margin of Svalbard, Reykjavik – Longyearbyen – Reykjavik, 29 July–7 September 2016, 204 pp., available at: http://elib.suub.uni-bremen.de/edocs/00105895-1.pdf, 2017.
Dickens, G. R., Wallace, P. J., Paull, C. K., and Borowski, W. S.: Detection of methane gas hydrate in the pressure core sampler (PCS): Volume-pressure-time relations during controlled degassing experiments, in: Proc. ODP, Sci. Res., edited by: Paull, C. K., Matsumoto, R., Wallace, P. J., and Dillon, W. P., College Station, TX (Ocean Drilling Program), 113–126, https://doi.org/10.2973/odp.proc.sr.164.210.2000, 2000.
Dickens, G. R., Schroeder, D., Hinrichs, K.-U., and the Leg 201 Scientific Party: The pressure core sampler (PCS) on ODP Leg 201: General operations and gas release, in: Proc. ODP, Init. Repts., edited by: D'Hondt, S. L., Jørgensen, B. B., Miller, D. J., et al., 201: College Station, TX (Ocean Drilling Program), 1–22, https://doi.org/10.2973/odp.proc.ir.201.103.2003, 2003.
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Short summary
Pressure coring is currently the only method that enables precise off-site analysis of gas and gas-hydrate volumes in marine sediments. Pressure barrels for sampling and preservation of submarine sediments under in situ pressure with the robotic sea-floor drill rig MeBo (MARUM, Bremen, Germany) were developed. Here we report on the design and operational procedure of the so-called MDP during two seagoing cruises and demonstrate functionality by presenting results from pressure core degassing.