Filters: partyWithName: U.S. Geological Survey - ScienceBase (X) > Types: OGC WMS Layer (X) > partyWithName: U.S. Geological Survey (X) > partyWithName: Michael J Stephens (X)

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Fluid levels in the Oxnard Oil Field, Ventura County, California The U.S. Geological Survey (USGS), in cooperation with the California State Water Resources Control Board (SWRCB), compiled Fall 2017 fluid level elevation data from idle oil and gas wells in the Oxnard Oil Field to estimate vertical hydraulic head difference between oil production and overlying groundwater aquifer zones. Fluid elevations came from two sources, measurements in idle oil and gas wells and groundwater elevations in water wells in the overlying aquifer estimated at the points of idle well measurements using geographic information system (GIS) procedures. The fluid elevations from idle oil and gas wells were compiled by the California Geologic Energy Management Division (CalGEM) as part of their Idle... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: California, Energy Resources, Hydrology, Oxnard, USGS Science Data Catalog (SDC), All tags... Water Quality, Water Resources, groundwater level, oil and gas, Fewer tags Geophysical and geochemical data for salinity mapping in the Midway-Sunset oil field area The U.S. Geological Survey (USGS) and California State University-Sacramento, in cooperation with the California State Water Resources Control Board and U.S. Bureau of Land Management, compiled and analyzed data for mapping groundwater salinity in selected oil and gas fields in California. The data for the Midway-Sunset (MWSS) oil field includes digitized borehole geophysical data, geochemical analyses of produced water samples from oil and gas wells, core sample analysis from select wells, and groundwater total dissolved solids (TDS) estimations with the related geophysical log data. These data have been compiled from many sources and span several decades. The geochemical data include ion concentrations and TDS... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Borehole geophysics, California, Enhanced Oil Recovery, Geochemistry, Geochemistry, All tags... Geophysics, Groundwater salinity, Hydrogeology, Kern County, Midway-Sunset, Oil and gas, San Joaquin Valley, USGS Science Data Catalog (SDC), Water Quality, Water Resources, Fewer tags Mud logs from the Oxnard Oil Field, Ventura County, California The U.S. Geological Survey (USGS) in cooperation with the California State Water Resources Control Board (SWRCB) compiled and digitized mud logs from oil and gas wells in the Oxnard Oil Field area. Scanned copies of the mud logs were downloaded from the California Geologic Energy Management Division (CalGEM) online data and were digitized. Thirteen available mud logs associated with the Pliocene Tar Sand pool code (Vaca Tar Sand) were digitized. Mud-logging technology (mud logs) allows for identification and relative concentration measurement in parts per million by volume (ppmv) of light hydrocarbon gases (methane through pentane) occurring in drilling mud returned to the surface throughout the drilling process... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: California, Energy Resources, Geochemistry, Geophysics, Hydrology, All tags... Oxnard, USGS Science Data Catalog (SDC), Water Quality, Water Resources, borehole logs, mud logs, oil and gas, Fewer tags