Rig Operations data from the Terrebonne Basin, Walker Ridge Block 313, Site H, Expedition UT-GOM2-2

This dataset contains the daily reports, borehole reports, operational reports, and integrated rig and wireline data for Expedition UT-GOM2-2. Methods are documented in Expedition UT-GOM2-2 Methods: Drilling Operations, Depth References, and Downhole Tools (Flemings et al., 2025a, https://doi.org/10.5281/zenodo.13971228). The attached readme file, previewed below, describes all the data files in this dataset and their contents. The readme file also contains links to where the data is presented in the expedition proceedings. Additional data you might expect to find in this dataset can instead be found at the following locations: A summary of expedition operations outlining major activities can be found in Expedition UT-GOM2-2 Site H, Appendix A (Flemings et al., 2025b, https://doi.org/10.5281/zenodo.13971276). A copy of the daily science reports can be found in Expedition UT-GOM2-2 Site H, Appendix B (Flemings et al., 2025b, https://doi.org/10.5281/zenodo.13971276). Daily reports contain interpretations of events that may or may not reflect the final summary interpretation. Logs of coring data, acquired cores, cut sections-pieces, and locations of samples and measurements can be found in the curation dataset http://doi.org/10.5281/zenodo.14926309. For coring logs, download the files GoM2-2 H003 AS DRILLED.pdf and GoM2-2 H002 AS DRILLED v1.pdf. For core, section, and sampling logs, download the file UT-GOM2-2 CORE LOG depths – sortable.xlsx. See tabs “Core log”, “Section-piece log”, and “Sample-measurement log”. Pressure coring reports can be found in the pressure coring dataset (http://doi.org/10.5281/zenodo.14104224) and hand-written conventional core curation reports can be found in the conventional coring dataset (https://doi.org/10.5281/zenodo.14518080). Daily discharge data were also entered and summed up into a discharge monitoring workbook and reported in EPA NPDES Quarterly Discharge Monitoring Reports (DMR) that summarize activities for The University of Texas at Austin. This discharge data can be downloaded at FRS Facility Detail Report | Envirofacts | US EPA. M-I SWACO mercury and cadmium results were also summarized and reported in EPA NPDES Quarterly Discharge Monitoring Reports for the The University of Texas at Austin. The summary can be downloaded at FRS Facility Detail Report | Envirofacts | US EPA. Plug and abandonment records are on file with the Bureau of Safety and Environmental Enforcement, API: 608124014800 and API: 608124014900. Plug and abandonment is also discussed in Site H, Plug and Abandonment (Flemings et al., 2025b, https://doi.org/10.5281/zenodo.13971276).