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European Petrophysics Consortium Annual Report 2016

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European Petrophysics Consortium Annual Report 2016 EPC European Petrophysics Consortium European Petrophysics Consortium L EICESTER • MONTPELLIER • AACHEN Annual Report 2016 Dr Johanna Lofi and Chris Nixon having their work filmed during the IODP Expedition 364 Onshore Science Party EPC Annual Report 2016 2016 has been another busy year for the European Petrophysics Consortium (EPC), starting with preparation and participation in the International Ocean Discovery Program (IODP) Expedition 357: Atlantis Massif Serpentinization & Life Onshore Science Party (OSP). The remainder of the year was dominated by implementation of IODP Expedition 364: Chicxulub K-Pg Impact Crater with the offshore phase in the spring, and the OSP in the fall. EPC personnel have also been involved in enhancing the consortium’s equipment and facilities, as well as participating in a range of education and outreach activities throughout the year. Planning for future IODP expeditions has continued, including scoping the downhole logging and core physical properties programs for IODP Expeditions 373: Antarctica Cenozoic Paleoclimate, 377: Arctic Ocean Paleoceanography, and more recently 381: Corinth Active Rift Development. EPC continues to provide Contents operational support and petrophysical expertise to the wider IODP community through representation of Mission Specific Platform (MSP) Updates .................... 2 European Consortium for Ocean Research Drilling Expedition 357: Atlantis Massif Serpentinization & (ECORD) Science Operator (ESO) at the IODP Science Life (P758) ................................................................ 2 Evaluation Panel (SEP), the JOIDES Resolution and Expedition 364: Chicxulub K-Pg Impact Crater ECORD Facility Boards, and at ECORD Council. (P548) ....................................................................... 2 EPC is currently a three-partner consortium that has Expedition planning ..................................................... 3 been in existence since 2003. The University of Expedition 373: Antarctica Cenozoic Paleoclimate Leicester (UK) is the lead partner in the consortium, (P813) ....................................................................... 3 and in addition to overseeing the direction and management of the group, is also host to EPC’s core Expedition 381: Corinth Active Rift Development physical properties equipment pool. The University of (P879) ....................................................................... 4 Montpellier (France) primarily provides expertise in Expedition 377: Arctic Ocean Paleoceanography downhole logging, and manages and maintains EPC’s (P708) ....................................................................... 4 super-slimline logging tool suite. RWTH Aachen Equipment and Software Updates ............................... 4 University (Germany) is principally responsible for the provision of thermal conductivity capability to the Personnel and Organization ......................................... 5 consortium. Together, these institutes form a unique Education and Outreach .............................................. 5 team that supports the acquisition, processing and Other EPC Activities and Projects ................................ 5 interpretation of petrophysical data for the international scientific ocean drilling community, Publications .................................................................. 6 linking into the larger international logging community MSP Related Publications ........................................ 6 that includes Lamont-Doherty Earth Observatory Relevant Non-ECORD Publications........................... 6 (LDEO, USA) and the University of Tokyo (Japan). News Items and Publicity ............................................. 7 Mission Specific Platform (MSP) Updates Expedition 364: Chicxulub K-Pg Impact Crater (P548) Expedition 357: Atlantis Massif Serpentinization Hot on the heels of the Atlantis Massif project was & Life (P758) IODP Expedition 364: Chicxulub K-Pg Impact Crater. EPC started scoping for this project with ESO in 2010, IODP Expedition 357: Atlantis Massif Serpentinization and in 2016 the project was finally realized. & Life was tasked with studying the relationship Expedition 364 proposed to core the peak ring of the between the processes of serpentinization and the Chicxulub K-Pg impact crater to better understand the biosphere in the shallow subsurface of an ocean core impact process, including the mechanism of peak ring complex exposed on the western flank of the Mid- formation, the process of rock weakening, the nature Atlantic Ridge. The expedition phase of 357 started in of hydrothermal circulation, the habitability of the 2015, with offshore operations taking place between peak ring, and how life recovers in a sterile zone. 26 October and 11 December 2015. Once the cores were shipped to the IODP Bremen Core Repository For Expedition 364, super-slimline downhole logging (BCR, Germany), EPC personnel undertook some data services were contracted from the University of acquisition on the cores prior to the OSP. This Montpellier (France) for standard wireline logging, included measuring the natural gamma radiation of and from the University of Alberta (Canada) and the the core material on EPC’s multi-sensor core logger University of Texas at Austin (USA) for the vertical (MSCL-XYZ). For the first time for an MSP, through- seismic profiling (VSP) experiment. For offshore liner 360° digital line-scans of whole-round cores were acquisition of ephemeral core physical properties requested by the Science Party. In collaboration with measurements, EPC provided a containerized multi- ESO-Bremen staff, EPC developed a method for sensor core logger (MSCL) system. acquiring these images and combining them to facilitate display of the unwrapped image on the Pre-mobilization of the expedition on the L/B Myrtle CoreWall displays in the core description lab during took place in March at Port Fourchon (USA). EPC the OSP. This work continued until the start of the personnel (Leicester) attended this phase of the OSP on 20 January. During the OSP, personnel from expedition to ensure all core physical properties and across the consortium, including the Petrophysics downhole logging equipment was received at the Staff Scientist (Leicester), undertook high-resolution dock, safely loaded onto the vessel and secured prior digital line-scan imaging and color reflectance to the Myrtle sailing around the Gulf of Mexico. spectrophotometry of the split cores, and Moisture Additional downhole logging equipment was loaded and Density (MAD) and P-wave measurements on on the Myrtle in Brownsville (USA) before entering discrete samples. The OSP came to a close on 5 Mexican territorial waters, and in Progreso (Mexico) February. before the ship transited to the drill site. Moving into the post-expedition phase, the Preliminary Report arising from the project was published in May and the Petrophysics Staff Scientist attended the first post-cruise/editorial meeting held in College Station (USA) in June. The Expedition Report will be published in February 2017. EPC personnel contributed to the ESO expedition review document and subsequently, the EPC Lead and Petrophysics Staff Scientist (both Leicester) attended the review meeting that was held in October in Bremen (Germany). Johanna Lofi & Laurent Brun logging (©LPhillpot ECORD/IODP) Three EPC personnel were on the platform for the duration of the expedition, the Petrophysics Staff Scientist (Montpellier), an ESO represents a significant time-, and associated cost- Petrophysicist/Petrophysics Technician (Leicester) and saving. one logging engineer. Other EPC personnel involved in The successful Expedition 364 returned to Progreso the wireline operations (1 logging engineer) and VSP L/B Myrtle operations (3 engineers, 1 technician) were on on May 30 and the continued to Port Fourchon for demobilization. EPC staff (Leicester) standby onshore, and transported, as needed, to the attended this demobilization in June, to supervise platform for downhole logging operations which took onward shipment of the MSCL’s radioactive source place in three phases. and the various logging-related equipment. Downhole logging equipment used during Expedition Due to hard lithologies and the limitations of sample 364 included the new suite of stackable, super- slimline EPC logging tools. This was the first time they availability, EPC worked to establish an appropriate method for performing thermal conductivity were used on an IODP expedition. Typically, 1-2 measurements on the expedition’s cores. This standalone tools and 3-5 stacks of tools were run at each logging stage. Logging acquisition was supervised measurement has historically been acquired on whole rounds during the pre-OSP phase. EPC determined by at least one logging engineer, supported by one of that the optimal method would require measurement the EPC team. Logs recorded included: borehole fluid on the split core surface, and so the thermal parameters (temperature, conductivity, pH, redox), conductivity measurements needed to be integrated borehole diameter, induction conductivity, electrical resistivity, magnetic susceptibility, spectral gamma into the OSP core flow. This preparation prior to the OSP involved close collaboration with the expedition’s ray, sonic, acoustic and optical borehole images, and Sample Allocation Committee. VSP. The OSP was held at the IODP BCR from September 21 to October 15. In total, eight EPC personnel, including the Petrophysics Staff Scientist, participated in
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