Results 111 to 120 of about 608 (138)
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Proceedings of the Integrated Ocean Drilling Program 319: NanTroSEIZE Stage 2: NanTroSEIZE Riser/Riserless Observatory

2010
As part of the NanTroSEIZE program, operations during Integrated Ocean Drilling Program (IODP) Expedition 319 included riser drilling, analyses of cuttings and core samples, downhole measurements and logging, and casing at Site C0009 in the Kumano forearc basin as well as riserless drilling, logging while drilling (LWD), casing, and observatory ...
Saffer, Demian M.   +43 more
openaire   +1 more source

Stress state estimation by geophysical logs in NanTroSEIZE Expedition 319‐Site C0009, Kumano Basin, southwest Japan [PDF]

open access: yesGeophysical Research Letters, 2012
To understand the stress regime in the shallow portion of the Nankai Trough seismogenic zone, we carefully investigated the resistivity image logs at IODP Site C0009 that penetrated to 1600 meters below the sea floor (mbsf) in the central Kumano forearc basin.
Hung Yu Wu   +2 more
exaly   +2 more sources

Proceedings of the Integrated Ocean Drilling Program 348: NanTroSEIZE Stage 3: NanTroSEIZE Plate Boundary Deep Riser 3

2015
The Nankai Trough Seismogenic Zone Experiment (NanTroSEIZE) is a multidisciplinary investigation of fault mechanics and seismogenesis along subduction megathrusts and includes reflection and refraction seismic imaging, direct sampling by drilling, in situ measurements, and long-term monitoring in conjunction with laboratory and numerical modeling ...
Tobin, Harold   +35 more
openaire   +1 more source

Plan and technological difficulties on NanTroSEIZE long term borehole monitoring system

2011 IEEE Symposium on Underwater Technology and Workshop on Scientific Use of Submarine Cables and Related Technologies, 2011
IODP (Integrated Ocean Drilling Program) scientific drilling proposal 603 (NanTroSEIZE: Nankai Trough Seismogenic Zone Experiment) not only proposes drilling, coring, geological analyzing, and geophysical logging, but also mandates that several long term borehole monitoring systems (LTBMS) should be installed at Nankai trough, where we expect to ...
Masanori Kyo   +6 more
openaire   +1 more source

Stress field observation and modeling from the NanTroSEIZE scientific drillings in the Nankai Trough system, SW Japan

Tectonophysics, 2013
Abstract Many studies have investigated the stress state in terms of drilling projects in the Nankai Trough region, the potential area for next devastating earthquakes. To understand the stress state and the geologic properties in Nankai, several drilling projects have been conducted over time. Among these projects, the Nankai Trough Seismogenic Zone
Hung Yu Wu   +2 more
exaly   +2 more sources

Growth of borehole breakouts with time after drilling: Implications for state of stress, NanTroSEIZE transect, SW Japan [PDF]

open access: yesGeochemistry, Geophysics, Geosystems, 2011
Resistivity at the bit tools typically provide images of wellbore breakouts only a few minutes after the hole is drilled. In certain cases images are taken tens of minutes to days after drilling of the borehole. The sonic caliper can also image borehole geometry.
Chandong Chang   +2 more
exaly   +3 more sources

Structural evolution in accretionary prism toe revealed by magnetic fabric analysis from IODP NanTroSEIZE Expedition 316

Earth and Planetary Science Letters, 2010
This paper presents magnetic fabric analysis to examine the internal structure of the accretionary prism toe in the Nankai Trough, off the east coast of Japan. Two sites (C0006 and C0007) drilled during Integrated Ocean Drilling Program (IODP) Expedition 316 penetrated the sediment section, including intra wedge thrusts and the frontal thrust ...
Yujin Kitamura, Toshiya Kanamatsu
exaly   +2 more sources

Petrophysically determined lithofacies at the Nankai Trough Accretionary Prism: NanTroSEIZE, IODP Expedition 314

Journal of the Geological Society, 2009
Abstract: Characterizing the physical properties and identifying boundaries within active accretionary prisms is necessary in understanding their behaviour and recent movement. In such unstable conditions core recovery is not always reliable, especially around fault zones.
Tudge, J   +4 more
openaire   +2 more sources

Coring Technology to be applied in IODP NanTroSEIZE

OCEANS 2008 - MTS/IEEE Kobe Techno-Ocean, 2008
JAMSTEC/CDEX has started the first drilling operation of CHIKYU for the Nankai Trough Seizmogenic Zone Experiment (NanTroSEIZE) at offshore Kumanonada conducted by the Integrated Ocean Drilling Program (IODP) in September 2007. The majority of coring objectives principally involve that of "continuous" wireline coring operations.
openaire   +1 more source

Proceedings of the Integrated Ocean Drilling Program 322: NanTroSEIZE Stage 2: Subduction Inputs

2010
Integrated Ocean Drilling Program (IODP) Expedition 322 is part of the Nankai Trough Seismogenic Zone Experiment (NanTroSEIZE) and was designed to document characteristics of incoming sedimentary strata and upper igneous basement prior to their arrival at the subduction front.
Underwood, Michael   +35 more
openaire   +1 more source

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