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Chloride concentration gradients in tank-stored hydraulic fracturing fluids following flowback
[report]
2011
unpublished
A natural gas well in West Virginia was hydraulically fractured and the fl owback was recovered and stored in an 18-foot-deep tank. Both in situ fi eld test kit and laboratory measurements of electrical conductivity and chloride concentrations increased substantially with depth, although the laboratory measurements showed a greater increase. The fi eld test kit also underestimated chloride concentrations in prepared standards when they exceeded 8,000 mg L -1 , indicating that laboratory
doi:10.2737/nrs-rp-14
fatcat:j7rg7wivtfdaxllbt2v2w3pfru