Analysis of Hydraulic Fracturing Fluids used in Gas Wells in the Eastern United States

Hydraulic fracturing fluids are chemically complex mixtures introduced into gas wells at extremely high volumes, yet their detailed composition—and potential environmental impact—can be difficult to fully characterize. In this on‑demand webinar, Dr. Frank Dorman, Associate Professor at Penn State University, presents an analytical, science‑focused examination of hydraulic fracturing and flowback fluids from gas wells in the Eastern United States, with a particular focus on the Marcellus Shale region.

The presentation explores how gas chromatography–time‑of‑flight mass spectrometry (GC‑TOF MS) and comprehensive two‑dimensional GC (GCxGC‑TOF MS) can be applied to the discovery, characterization, and comparison of organic components in hydraulic fracturing fluids and production waters. Dr. Dorman walks through the challenges of analyzing low‑pH, high‑salinity aqueous samples that contain thousands of potential organic constituents—including glycols, alcohols, hydrocarbons, surfactants, and petroleum distillate mixtures—often without clearly defined reference standards.

Using real field samples, the webinar demonstrates how advanced chromatographic separation and TOF‑MS deconvolution reveal unique chemical “fingerprints” for individual wells, opening the door to environmental forensic applications such as source attribution and contamination investigations. The presentation also examines how fluid composition changes over time, evaluates the effectiveness of wastewater treatment on recovered fluids, and highlights the value of GCxGC visualization and accurate‑mass TOF‑MS for both discovery and communication of complex results.

Using real field samples, the webinar demonstrates how advanced chromatographic separation and TOF‑MS deconvolution reveal unique chemical “fingerprints” for individual wells, opening the door to environmental forensic applications such as source attribution and contamination investigations. The presentation also examines how fluid composition changes over time, evaluates the effectiveness of wastewater treatment on recovered fluids, and highlights the value of GCxGC visualization and accurate‑mass TOF‑MS for both discovery and communication of complex results.

Presented 19 July 2012.