{"@type": "dcat:Dataset", "DOI": "10.15121/1360160", "accessLevel": "public", "bureauCode": ["019:20"], "contactPoint": {"@type": "vcard:Contact", "fn": "Jiann Su", "hasEmail": "mailto:jsu@sandia.gov"}, "dataQuality": true, "description": "Drilling results from the microhole project at the Sandia High Operating Temperature test facility. The project is seeking to help reduce the cost of exploration and monitoring of geothermal wells and formations by drilling smaller holes.  The tests were part of a control algorithm development to optimize the weight-on-bit (WOB) used during drilling with a percussive hammer.", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://gdr.openei.org/files/873/Trial%202%20%281%29.xlsx", "description": "Second of four microhole drilling test conducted. Measures weight on bit (WOB) and rate of penetration (ROP) per time (s) with an associated objective. Includes plot of ROP and Objective vs Time.", "format": "xlsx", "mediaType": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "title": "Trial 2.xlsx"}, {"@type": "dcat:Distribution", "accessURL": "https://gdr.openei.org/files/873/Trial%204%20%281%29.xlsx", "description": "Fourth of four microhole drilling test conducted. Measures weight on bit (WOB) and rate of penetration (ROP) per time (s) with an associated objective. Includes plot of WOB vs Time.", "format": "xlsx", "mediaType": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "title": "Trial 4.xlsx"}, {"@type": "dcat:Distribution", "accessURL": "https://gdr.openei.org/files/873/Trial%203%20%281%29.xlsx", "description": "Third of four microhole drilling test conducted. Measures weight on bit (WOB) and rate of penetration (ROP) per time (s) with an associated objective. Includesa  plot of ROP vs WOB and  aplot of ROP and WOB vs Time.", "format": "xlsx", "mediaType": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "title": "Trial 3.xlsx"}, {"@type": "dcat:Distribution", "accessURL": "https://gdr.openei.org/files/873/Trial%201%20%281%29.xlsx", "description": "First of four microhole drilling test conducted. Measures weight on bit (WOB) and rate of penetration (ROP) per time (s) with an associated objective. Includes plot of WOB and Objective vs Time.", "format": "xlsx", "mediaType": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "title": "Trial 1.xlsx"}, {"@type": "dcat:Distribution", "accessURL": "https://gdr.openei.org/files/873/Test%20Runs%20%281%29.xlsx", "description": "Six brief test runs measuring rate of penetration (ROP) vs weight on bit (WOB). Includes plots of ROP vs WOB.", "format": "xlsx", "mediaType": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "title": "Test Runs.xlsx"}], "identifier": "https://data.openei.org/submissions/7063", "issued": "2016-05-23T06:00:00Z", "keyword": ["geothermal", "drilling", "microhole", "hammers", "percussion", "HOT", "High operating temperature", "Sandia"], "landingPage": "https://gdr.openei.org/submissions/873", "license": "https://creativecommons.org/licenses/by/4.0/", "modified": "2018-06-12T21:51:26Z", "programCode": ["019:006"], "projectLead": "Eric Hass", "projectNumber": "FY16 AOP 3214", "projectTitle": "Microhole Drilling", "publisher": {"@type": "org:Organization", "name": "Sandia National Laboratories"}, "spatial": "{\"type\":\"Polygon\",\"coordinates\":[[[27.985034179688,37.815445611569],[28.228479003906,37.815445611569],[28.228479003906,37.970940371928],[27.985034179688,37.970940371928],[27.985034179688,37.815445611569]]]}", "title": "Microhole Test Data"}