California Oil, Gas, and Groundwater Program
Findings
Mar 29, 2023
Occurrence of water and thermogenic gas from oil-bearing formations in groundwater near the Orcutt Oil Field, California, USA
Summary of Anders and others (2022)
Mar 29, 2023
Groundwater quality near the Montebello Oil Field, Los Angeles County, California
Summary of Stanton and others (2023)
Mar 28, 2023
Geologic controls on groundwater salinity reversal in North Coles Levee Oil Field, southern San Joaquin Valley, California, USA
Summary of Flowers and others (2022)
Dec 30, 2021
Noble Gases Document Where Air has been Injected into the Subsurface
Summary of findings from Karolyte and others, 2021 and Tyne and others, 2021
Dec 7, 2021
3D Maps of Subsurface Salinity in the Montebello Oil Field, Los Angeles County
Summary of findings from Terry and others, 2021
Sep 1, 2021
Patterns in the Risks to Groundwater Quality in the Vicinity of California Oil Fields
Summary of findings from McMahon and others, 2021
Dec 11, 2020
Shallow Groundwater Salinity in the Western San Joaquin Valley
Summary of findings from Ball and others, 2020
Jan 14, 2020
Vertical Profile Data from Wells Document Oil-Field Waters Migrating From Surface Sump Ponds and Injection Sites
Summary of one set of findings from Gillespie and others, 2019
Oct 31, 2019
Methane in Los Angeles Area Groundwater from Microbial Sources
Manager’s summary of Kulongoski and others, 2018
Oct 30, 2019
Salinity within Geologic Formations Can Vary Considerably
Manager’s summary of Stephens and others, 2018
Oct 28, 2019
Geochemical Patterns in Oil Field Fluids Vary Dramatically From Field to Field
Manager’s summary of McMahon and others (2018)
Oct 27, 2019
224Radium Is the Predominant Radium Isotope in California Oil Field Waters
Key Finding in McMahon and others (2018).