1. Remediation of a Spill of Crude Oil
and Brine Without Gypsum
Aditya Moralwar, Kerry Sublette, Cherie Almeida,
and Laura Ford
University of Tulsa
Josh Brokaw
Oklahoma State University
Kathleen Duncan
University of Oklahoma
Greg Thoma
University of Arkansas
2. Study Site
• Gibbs #5 – Three parallel spills on 4.5o slope
(within three months in late 1999) of
produced fluid from a gathering line –
about 10% crude oil and 90% brine
(about 130,000 mg/L NaCl)
• Tallgrass Prairie Preserve in Osage County, OK
• The three spills:
– North 600 m2
– Middle 230 m2
– South 960 m2
• Remediation began
June 2000
