Direct trace element determination in oil and gas produced waters with inductively coupled plasma - Optical emission spectrometry (ICP-OES): Advantages of high salinity tolerance
Geostandards and Geoanalytical Research
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Abstract
Waters co-produced during petroleum extraction are the largest waste stream from oil and gas development. Reuse or disposal of these waters is difficult due to their high salinities and the sheer volumes generated. Produced waters may also contain valuable mineral commodities. While an understanding of produced water trace element composition is required for evaluating the associated resource and waste potential of these materials, measuring trace elements in brines is challenging due to the dilution requirements of typical methods. Alternatively, inductively coupled plasma-optical emission spectrometry (ICP-OES) has shown promise as being capable of direct measurements of trace elements within produced waters with minimal dilution. Here we evaluate direct ICP-OES trace element quantification in produced waters for 17 trace elements (As, Al, Ba, Be, Cd, Cr, Co, Cu, Hg, Mo, Ni, Pb, Rb, Sb, U, V, and Zn) within 15 produced waters from five U.S. continuous reservoirs. The ICP-OES results are compared against trace element levels determined using inductively coupled plasma-mass spectrometry from the same samples. Our results demonstrate the potential for direct analysis of high salinity waters using ICP-OES with minimal dilution and provide trace element concentrations in waters from several important U.S. petroleum-generating reservoirs where available data is sparse.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Direct trace element determination in oil and gas produced waters with inductively coupled plasma - Optical emission spectrometry (ICP-OES): Advantages of high salinity tolerance |
| Series title | Geostandards and Geoanalytical Research |
| DOI | 10.1111/GGR.12316 |
| Volume | 44 |
| Issue | 2 |
| Year Published | 2020 |
| Language | English |
| Publisher | Wiley |
| Contributing office(s) | Eastern Energy Resources Science Center |
| Description | 13 p. |
| First page | 385 |
| Last page | 397 |
| Country | United States |
| State | Montana, New York, North Dakota, Ohio, Pennsylvania, Texas, West Virginia, |
| Other Geospatial | Eagle Ford, Marcellus, Middle Bakken/Three Forks, Utica/Point Pleasant, Wolfcamp/Cline |
| Google Analytic Metrics | Metrics page |