INTEGRATED OCEAN DRILLING PROGRAM 1 IODP Expedition 314 NanTroSEIZE Stage 1 LWD Transect Center for Deep Earth Exploration (CDEX) Japan Agency for Marine-Earth.

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Presentation transcript:

INTEGRATED OCEAN DRILLING PROGRAM 1 IODP Expedition 314 NanTroSEIZE Stage 1 LWD Transect Center for Deep Earth Exploration (CDEX) Japan Agency for Marine-Earth Science and Technology (JAMSTEC)

INTEGRATED OCEAN DRILLING PROGRAM 2 Drilling capability of Chikyu Total drill string length: 10 km Riser Drilling: 2.5 km water depth (4 km in development) In the shakedown cruises ( ), 3.7 km deep hole at a water depth of 500 m. 2.7 km deep hole at a water depth of 2.2 km. In the NanTroSEIZE expeditions, 0.88 km deep hole at a water depth of 3.83 km (Exp. 314). 3.5 km deep hole at a water depth of 2.2 km (Stage 2 in plan). 6 km deep hole at a water depth of 2 km (Stage 3 in plan).

INTEGRATED OCEAN DRILLING PROGRAM 3 Lab. Roof Deck Downhole Measurement Lab Core Cutting Area Most advanced ocean-going geological lab Core Processing Deck X-ray CT Scanner Lab, QA/QC Lab, Microbiology Lab Magnetic Shield Room Lab. Street Deck Thin Section Lab Paleontology/Petrology Lab Semi Clean Room Sample Preparation Room ET Shop, Lab Storage Lab. Management Deck Offices, Library, Computer Room, Conference Room

INTEGRATED OCEAN DRILLING PROGRAM 4 Onboard equipment GAS Chromatography incubator Multi sensor logger Digital imager ICP-MS fluorescent X-ray analyzer IODP minimum measurements BiostratigraphySmear slides/Thin sectionsVCD digital phototemperature Moisture and density/porosity Core logging - NGR, GRA, MSDownhole logging IODP standard measurements NRMPWV (logging) Thermal conductivity XRFXRD X-ray CTColor reflectanceetc.

INTEGRATED OCEAN DRILLING PROGRAM 5 Complex Drilling Project The Nankai Trough Seismogenic Zone Experiment (NanTroSEIZE) 60 to 140 kilometers Southeast of Shingu city IODP Expeditions Shingu Minami-Ise

INTEGRATED OCEAN DRILLING PROGRAM 6 NanTroSEIZE Exp. 314 Drilling Result Proposed Site Drilling Site LATLONG Water Depth (m) Drilling Depth (mbsf*) Pilot hole GeoTech hole LWD hole NT2-03C000133°14.3”136°42.7”2,180 1, NT3-01C000233°18.0”136.°38.2”1,970 1,401.5 NT2-01DC000333°13.4”136.°42.1”2, NT2-01IC000433°13.2”136.°43.2”2, NT2-01E C °13.6”136.°43.1”2, Abandon by the result of pilot drilling NT2-01G33°13.4”136.°43.2”2, Move to next site due to the ROV failure and strong current NT1-03C000633°01.6”136.°47.6”3, *mbsf: meter below the seafloor Deepest hole into an accretionary prism Deepest LWD/MWD hole in scientific ocean drilling Drilling under deepest WD by Chikyu

INTEGRATED OCEAN DRILLING PROGRAM 7 Realtime drilling monitoring

INTEGRATED OCEAN DRILLING PROGRAM 8 Drill floor

INTEGRATED OCEAN DRILLING PROGRAM 9 26 Sep. 9 hours tack Current: 4.1 kts Wind: 10 m/s Wind: 70 ton Wave: 32 ton Current: 25 ton Ｎ Nov. 6, ・ Current ： 4.5 kt / 103° ・ Wind ： 12.0 m/s / 22° ・ Wave ： 2.0 m / 45° ・ Azimuth ： 285° Dynamic Position System

INTEGRATED OCEAN DRILLING PROGRAM 10 Science party working in the lab area