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Reservoir Characterization Using Rock Geochemistry for Lithostratigraphic Interpretation of a Subterranean Formation
Reservoir Characterization Using Rock Geochemistry for Lithostratigraphic Interpretation of a Subterranean Formation
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机译:利用岩石地球化学描述地下地层岩石地层的储层特征
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摘要
Methods and systems for reservoir characterization use identification of lithostratigraphic layers within a subterranean formation based on rock geochemistry of the subterranean formation. This approach includes: collecting rock samples related to lithostratigraphy of target wells in the subterranean formation; measuring geochemical/mineralogical parameters of the rock samples with laboratory equipment; measuring geochemical/mineralogical parameters of the subsurface formation using wellbore geochemical logging tools in the target wells; measuring formation acoustic velocities for the target wells; generating characteristic rock sample and log signature patterns for different lithostratigraphic layers based on the measured geochemical/mineralogical parameters and acoustic velocities associated with the different lithostratigraphic layers identified in the target wells; combining the characteristic log signatures for the different lithostratigraphic layers into a lithographic interpretation using neutron capture spectroscopy model; and identifying the lithostratigraphic layers within the subterranean formation by applying the model to well logs of non-target wells.
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