This data set shows the locations of oil and gas wells in California.  The dataset was updated 9/27/13.
Oil  and gas wells are developed to extract the fossil fuels from under the  ground.  In California, well site development is regulated by the  Division of Oil, Gas and Geothermal Resources (DOGGR).  This dataset is taken from the complete set of wells drilled in California.  Of the 215,436 drilled wells known to DOGGR, 160,702 are listed as oil or natural gas production wells.  The cases with "GIS SYMBOL" field codes for oil and gas and dry gas were extracted and compiled for this layer.  The DOGGR  database does not distinguish oil wells from "oil and gas" wells.  Dry gas is natural gas without condensate liquids. It is predominantly methane without the higher chain hydrocarbons that form liquids. The status of each well is indicated in the field "Well Status". New wells are those that have been  drilled and developed but are not yet producing or "active". For more information, including descriptions of data categories, download this MS Word document from DOGGR.
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