Open-File Report 2007-1055

U.S. GEOLOGICAL SURVEY
Open-File Report 2007-1055

Geochemical Data from Produced Water Contamination Investigations: Osage-Skiatook Petroleum Environmental Research (OSPER) Sites, Osage County, Oklahoma

By James J. Thordsen, Yousif K. Kharaka, Gil Ambats, Evangelos Kakouros, and Marvin M. Abbott

Abstract

We report chemical and isotopic analyses of 345 water samples collected from the Osage-Skiatook Petroleum Environmental Research (OSPER) project. Water samples were collected as part of an ongoing multi-year USGS investigation to study the transport, fate, natural attenuation, and ecosystem impacts of inorganic salts and organic compounds present in produced water releases at two oil and gas production sites from an aging petroleum field located in Osage County, in northeast Oklahoma. The water samples were collected primarily from monitoring wells and surface waters at the two research sites, OSPER A (legacy site) and OSPER B (active site), during the period March, 2001 to February, 2005. The data include produced water samples taken from seven active oil wells, one coal-bed methane well and two domestic groundwater wells in the vicinity of the OSPER sites.

Contents

Abstract
Introduction
Methods
Data Summary
Acknowledgements
References Cited
Appendix A. Location and construction characteristics of monitoring wells at the Osage-Skiatook Petroleum Environmetnal Research (OSPER) sites A and B, Osage County, Oklahoma.
Appendix B. Analytic data for water samples collected for the Osage-Skiatook Petroleum Environmental Research project.

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Send questions or comments about this report to the author, James J. Thordsen, (650) 329-4557.

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