Data Publications

SAFOD Main Hole downhole logging data phase 1.2 1556-1744m

hasData_Center_Short_Name
  • SDDB
hasDataset_Online_Resource
hasProject_Long_Name
  • San Andreas Fault-Zone Observatory at Depth
  • International Continental Scientific Drilling Program
hasDataset_Release_Date
  • 2008-01-30
hasDataset_Title
  • SAFOD Main Hole downhole logging data phase 1.2 1556-1744m
hasEntry_ID
  • 10.1594/GFZ.SDDB.1084
hasKeyword
  • Cable Tension
  • Cal. Caliper
  • Density correction
  • Enhanced Thermal Neutron Porosity
  • Spontaneous Potential Shifted
  • Standard Resolution Density Porosity
  • Standard Resolution Formation Density
  • Standard Resolution Formation Photoelectric Factor
  • environmentally corrected gamma-ray
  • gamma ray
  • Apparent Water Resistivity
  • Array Induction Four Foot Conductivity A60
  • Array Induction Four Foot Resistivity A10
  • Array Induction Four Foot Resistivity A20
  • Array Induction Four Foot Resistivity A30
  • Array Induction Four Foot Resistivity A60
  • Array Induction Four Foot Resistivity A90
  • Array Induction Mud Resistivity Fully Calibrated
  • Array Induction One Foot Resistivity A10
  • Array Induction One Foot Resistivity A20
  • Array Induction One Foot Resistivity A30
  • Array Induction One Foot Resistivity A60
  • Array Induction One Foot Resistivity A90
  • Array Induction Two Foot Conductivity A60
  • Array Induction Two Foot Conductivity A90
  • Array Induction Two Foot Resistivity A10
  • Array Induction Two Foot Resistivity A20
  • Array Induction Two Foot Resistivity A30
  • Array Induction Two Foot Resistivity A60
  • Array Induction Two Foot Resistivity A90
  • Array Induction Two Foot Rt
  • Array Induction Two Foot Rxo
  • Backscatter Delta Rho
  • Cartridge Temperature
  • Computed Gamma Ray
  • Corrected Far Thermal Counting Rate
  • Corrected Near Thermal Counting Rate
  • DW Anhydrite/Gypsum
  • DW Calcium
  • DW Carbonate
  • DW Clay
  • DW Coal
  • DW Gadolinium
  • DW Iron + 0.14 Aluminum
  • DW Pseudo Aluminum
  • DW Pyrite
  • DW Quartz+Feldspar+Mica (QFM)
  • DW Salt
  • DW Siderite
  • DW Silicon
  • DW Sulfur
  • DW Titanium
  • Delta Thermal Neutron Porosity
  • Differential Caliper
  • ECS Temperature
  • Elemental Statistical Uncertainty Factor
  • Formation Potassium Concentration
  • Formation Thorium Concentration
  • Formation Uranium Concentration
  • Generalized Borehole Temperature
  • HGNS deviation
  • HiRes Enhanced Thermal Neutron Porosity
  • HiRes Gamma-Ray
  • HiRes Thermal Neutron Porosity
  • High Resolution Invaded Zone Resistivity
  • Matrix Density
  • Micro Inverse Resistivity
  • Micro Normal Resistivity
  • Photoelectric Factor Correction
  • Photomultiplier Tube Quality Control
  • Porosity CrossPlot
  • SP Armor Return
  • Standard Gamma Ray
  • Standard Resolution Density Standoff
  • Standard Resolution Invaded Zone Resistivity
  • Standard Resolution Resistivity Standoff
  • Stuck Tool Indicator, Total
  • Thermal Neutron Porosity
  • Thermal Neutron Porosity (Ratio Method)
  • Array Induction Two Foot Inner Diameter of Invasion
  • Array Induction Two Foot Outer Diameter of Invasion (D2)
hasReference
  • 10.1016/j.apgeochem.2008.01.012 http://dx.doi.org/10.1016/j.apgeochem.2008.01.012 Supplement to: Thomas Wiersberg and Jörg Erzinger (2008): Origin and spatial distribution of gas at seismogenic depths of the San Andreas Fault from drill-mud gas analysis, Applied Geochemistry, 23(6): 1675-1690.
hasSummary
  • SAFOD is motivated by the need to answer fundamental questions about the physical and chemical processes controlling faulting and earthquake generation within a major plate-bounding fault. SAFOD will drill and instrument an inclined borehole across the San Andreas Fault Zone to a depth of 3.2 km, targeting a repeating microearthquake source. The drill site is located west of the vertical San Andreas Fault on a segment of the fault that moves through a combination of aseismic creep and repeating microearthquakes. It lies at the extreme northern end of the rupture zone of the 1966, Magnitude 6 Parkfield earthquake, the most recent in a series of events that have ruptured the fault five times since 1857. The Parkfield region is the most comprehensively instrumented section of a fault anywhere in the world, and has been the focus of intensive study for the past two decades. This data set contains open hole geophysical wireline logging data from 1556-1744m (rel. to rig floor, 9,45m abv gnd)
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