John Roberts


john_roberts_01_300x293Education


Cardiff University, UK (1994)

  • Ph.D. Earth Sciences. Submarine slope stability.

University College Swansea, UK (1990)

  • B.Sc. Geology and Oceanography
  • Awarded Sibly prize in geology

Profile


GEOTEK Ltd, Daventry, UK. Technical Director (1997 – present)

  • Developed & manufactured laboratory equipment for the analysis of sediments and rocks, including automated non destructive testing of core samples using Multi-Sensor Core Loggers, automated X-ray scanning, and automated non destructive testing of cores under full in situ pressure.

john_roberts_02_pcats_300x225Southampton Oceanography Centre. Honorary Research Fellow (1996

  • Investigated new technologies to study sediment stability on the continental margins of Europe with particular reference to gas in sediments. Part of an EU contract called POSEIDON.

Cardiff University. Post-Doctoral Research Associate (1994 – 1997)

  • Investigated slope stability problems as part of a European Union funded project: STEAM (Sediment Transport on European Atlantic Margins).

Offshore Experience


Over 20 ocean-going expeditions world wide on academic and commercial oceanographic research, survey, and drilling vessels.


Selected References


Collett T, Riedel M, Cochran J, Boswell R, Presley J, Kumar P, Sathe A, Sethi A, Lall M, Siball V, and the NGHP Expedition 01 Scientific Party, including Roberts JA. 2008. Indian National Gas Hydrate Program Expedition 01 Initial Report: Prepared by the U.S. Geological Survey and Published by the Directorate General of Hydrocarbons, Ministry of Petroleum & Natural Gas (India), 1 DVD.

Holland M, Schultheiss P, Roberts J, Druce M. 2008. Observed gas hydrate morphologies in marine sediments. Proceedings of the 6th International Conference on Gas Hydrates (ICGH 2008), Vancouver, British Columbia, Canada, July 6-10, 2008. Available online at: https://circle.ubc.ca/handle/2429/1201

john_roberts_03_349x238Schultheiss P, Holland M, Roberts J, Humphrey G. 2008. Pressure core analysis: The keystone of a gas hydrate investigation. Proceedings of the 6th International Conference on Gas Hydrates (ICGH 2008), Vancouver, British Columbia, Canada, July 6-10, 2008. Available online at: https://circle.ubc.ca/handle/2429/1200

Holland M, Schultheiss P, Roberts J, Druce M. 2006. Gas hydrate-sediment morphologies revealed by pressure core analysis, EOS Transactions, American Geophysical Union Fall Meeting, Abstract OS33B-1689.

Schultheiss P, Holland M, Roberts J, Druce M, IODP Exp. 311 and NGHP Exp. 1 scientific parties. 2006. Gas hydrate investigations using pressure core analysis: Current practice. EOS Transactions, American Geophysical Union Fall Meeting, Abstract OS11E-03.

Schultheiss PJ, Francis TJG, Holland M, Roberts JA, Amann H, Thjunjoto, Parkes RJ, Martin D, Rothfuss M, Tuynder F, Jackson PD. 2006. Pressure coring, logging and sub-sampling with the HYACINTH system, In: New Techniques in Sediment Core Analysis, Rothwell G, ed. Geological Society, London, Special Publication 267:151–163.

Holland ME, Schultheiss PJ, Carter RM, Roberts J, Francis TJG. 2005. IODP’s untapped wealth: multiparameter logging of legacy core. Scientific Drilling 1:50-51.

Schultheiss PJ, Holland ME, Francis TJ, Roberts JA, Carter RM. 2004. Fulfilling the promise of the DSDP/ODP legacy with multi-parameter logging of archive cores. EOS Transactions, American Geophysical Union Fall Meeting, Abstract PP23B-1432.

Gunn DA, Nelder LM, Rochelle CA, Bateman K, Jackson PD, Lovell MA, Hobbs PRN, Long D, Rees JG, Schultheiss P, Roberts J, Francis T. 2002. Towards improved ground models for slope instability evaluations through better characterization of sediment-hosted gas-hydrates. Terra Nova 14(6):443-450.

john_roberts_04_basket_400x565Lovell M, Jackson P, Gunn D, Rochelle C, Bateman K, Nelder L, Culshaw M, Rees J, Long D, Francis T, Roberts J, Schultheiss P. 2002. Petrophysical characterisation of gas hydrate sediments. Society of Petrophysicists and Well Log Analysts, 43rd Annual Logging Symposium.

Lovell M, Jackson P, Gunn D, Rochelle C, Bateman K, Nelder V, Culshaw M, Rees J, Francis T, Roberts J, Schultheiss P. 2001. Geophysical methodologies for the characterisation of gas hydrate sediments. EOS Transactions, American Geophysical Union Fall Meeting, Abstract S31A-0578.

Best AI, Roberts JA, Somers ML. 1999. A new instrument for making in situ acoustic and geotechnical measurements in seafloor sediments. Underwater Technology 23(3):123-132.

Urgeles R, Canals M, Roberts JA, SNV “Las Palmas” Shipboard Party. 1999. Fluid flow from pore pressure measurements off La Palma, Canary Islands. Journal of Volcanology and Geothermal Research 94(1-4):305-321.

Roberts JA, Cramp A. 1996. Sediment stability on the western flanks of the Canary Islands. Marine Geology 134(1/2):13-30.

Roberts JA. 1995. Initiation of sediment gravity flows. Experimental & Theoretical Studies of Processes in Turbidity Currents, British Sedimentological Research Group Workshop.

Roberts JA, Cramp A. 1995. Sediment stability on the western flanks of the Canary Islands. 2nd EU Workshop on Exchange at the Continent-Ocean Margins.

Roberts JA, Rutledge AK, Kotilainen AT. 1995. Submarine Slope Stability Analysis on the Detroit Seamount, Site 883. In: Rea DK, Basov IA, Scholl DW, Allan JF (eds). Proceedings of the Ocean Drilling Program, Scientific Results 145:547-558.

Rutledge AK, Roberts JA, Orsi TH, Bryant WR, Kotilainen AT. 1995. Geotechnical properties and consolidation characteristics of North Pacific sediments, ODP Sites 881, 883, 885/886. In: Rea DK, Basov IA, Scholl DW, Allan JF (eds). Proceedings of the Ocean Drilling Program, Scientific Results 145:525-546.

Roberts, J.A., 1993. Geotechnical aspects and preliminary slope stability analysis of sediments from the continental slope off the Canary Islands. Postgraduate Research in Progress in Marine Geology and Geophysics.

Leg 145 Scientific Party, including Roberts JA. 1993. Paleoceanographic record of North Pacific quantified. EOS 74:406-411.

Rea DK, Basov IA, Janecek TR, Palmer-Julson A, et al., including Roberts JA. 1993. Proceedings of the Ocean Drilling Program, Initial Reports 145. College Station, TX (Ocean Drilling Program). doi:10.2973/odp.proc.ir.145.1993

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