Publications

Johnson, T.C., Burghardt, J., Strickland, C., Sirota, D., Vermeul, V., Knox, H., Schwering, P., Blankenship, D., Kneafsey, T., & Kneafsey, T. (2024). 4D Electrical Resistivity Imaging of Stress Perturbations Induced During High-Pressure Shear Stimulation Tests. Geophysical Research Letters, 51(10). https://doi.org/10.1029/2024gl108423

Blankenship, D. (2022). The geologic framework of the West Flank of Coso FORGE site [Conference Poster]. https://www.osti.gov/biblio/2003215

Blankenship, D. (2022). The geologic framework of the Fallon FORGE site [Conference Poster]. https://www.osti.gov/biblio/2003214

Fu, P., Schoenball, M., Ajo-Franklin, J.B., Chai, C., MacEira, M., Morris, J.P., Wu, H., Knox, H., Schwering, P., White, M.D., Burghardt, J.A., Strickland, C.E., Johnson, T.C., Vermeul, V.R., Sprinkle, P., Roberts, B., Ulrich, C., Guglielmi, Y., Cook, P.J., … Kneafsey, T.J. (2021). Close Observation of Hydraulic Fracturing at EGS Collab Experiment 1: Fracture Trajectory, Microseismic Interpretations, and the Role of Natural Fractures. Journal of Geophysical Research: Solid Earth, 126(7). https://doi.org/10.1029/2020jb020840

Fu, P., Weers, J., White, M., Knox, H., Schwering, P., Morris, J., Blankenship, D., Kneafsey, T., & Kneafsey, T. (2021). Efforts and Innovations to Promote Data Sharing and Data Accessibility in the EGS Collab Experiments [Conference Paper]. https://www.osti.gov/biblio/1883532

Kneafsey, T., Blankenship, D., Dobson, P., White, M., Morris, J., Fu, P., Schwering, P., Ajo-Franklin, J., Huang, L., Knox, H., Neupane, G., Weers, J., Horne, R., Roggenthen, W., Doe, T., Mattson, E., Pyatina, T., & Pyatina, T. (2021). The EGS Collab Project: Status and Accomplishments [Conference Paper]. https://www.osti.gov/biblio/1884089

Blankenship, D. (2021). Session 4: What are unique concerns for well integrity in challenging environments [Conference Presenation]. https://doi.org/10.2172/1870366

Hamm, S.G., X, A.A., Blankenship, D., Boyd, L.W., X, E.B., Frone, Z., X, I.H., X, H.H., X, M.K., X, A.M., McKittrick, A.M.W., X, L.M., X, E.M., X, A.N., X, J.P., Porse, S.L., X, A.P., X, G.S., X, C.T., … X, J.W. (2021). Geothermal Energy R&D: An Overview of the U.S. Department of Energy’s Geothermal Technologies Office. Journal of Energy Resources Technology, 143(10). https://doi.org/10.1115/1.4049581

Schoenball, M., Ajo-Franklin, J.B., Blankenship, D., Chai, C., Kneafsey, T., Knox, H.A., MacEira, M., Robertson, M.C., Sprinkle, P., Strickland, C., Templeton, D., Schwering, P., Ulrich, C., Wood, T., & Wood, T. (2020). Creation of a Mixed-Mode Fracture Network at Mesoscale Through Hydraulic Fracturing and Shear Stimulation. Journal of Geophysical Research. Solid Earth, 125(12). https://doi.org/10.1029/2020jb019807

Kneafsey, T., Blankenship, D., Dobson, ., Morris, J., White, M., Fu, P., Schwering, P., Ajo-Franklin, J., Strickland, C., Huang, L., Johnson, T., Knox, H., Neupane, G., Jon, W., Horne, R., Roggenthen, W., Doe, T., Mattson, E., Sprinkle, S., & Sprinkle, S. (2020). The EGS Collab Project: Mesoscale Rock Stimulations [Conference Proceeding]. https://www.osti.gov/biblio/1825591

Ingraham, M.D., Burghardt, J.A., Ulrich, C., Schwering, P., Doe, T., Blankenship, D., Kneafsey, T., & Kneafsey, T. (2019). Analysis of hydraulic fractures performed on the 4100 level at the Sanford Underground Research Facility [Conference Poster]. https://www.osti.gov/biblio/1643553

Lowry, T.S., Foris, A., Kennedy, M., Carrigan, C., Finger, J., Pye, S., Blankenship, D., & Blankenship, D. (2019). Reservoir Managment and Development [Conference Poster]. https://www.osti.gov/biblio/1642169

Blankenship, D. (2019). Critical Research Areas in Geophysics and Geomechanics: A Geothermal Perspective [Presentation]. https://www.osti.gov/biblio/1595886

Blankenship, D. (2017). Fallon FORGE - Frontier Observatory for Research in Geothermal Energy ? Development of Enhanced Geothermal Systems (EGS) [Presentation]. https://www.osti.gov/biblio/1480676

Blankenship, D. (2017). Frontier Observatory for Research in Geothermal energy - Fallon NV [Conference Poster]. https://www.osti.gov/biblio/1477922

Blankenship, D. (2017). The Proposed Fallon FORGE Site: Phase 2 Update [Conference Poster]. https://www.osti.gov/biblio/1431922

Blankenship, D. (2017). Proposed Fallon FORGE Site: Phase 2 Update [Conference Poster]. https://www.osti.gov/biblio/1431531

Bauer, S.J., Blankenship, D., Roberts, B.L., Freifeld, B., Oldenburg, C., Jordan, P., Perfect, S., Morris, J., Bromhal, G., Glosser, D., Wyatt, D., & Wyatt, D. (2017). Well Integrity for Natural Gas Storage in Depleted Reservoirs and Aquifers. https://doi.org/10.2172/1432270

Lowry, T.S., Foris, A.J., Kennedy, M., Carrigan, C., Finger, J., Pye, S., Blankenship, D., & Blankenship, D. (2016). Reservoir Management and Development [Conference Poster]. https://www.osti.gov/biblio/1413402

Blankenship, D. (2016). Overview of the Proposed Fallon FORGE [Conference Poster]. https://www.osti.gov/biblio/1404806

Blankenship, D. (2016). Fallon FORGE [Conference Poster]. https://www.osti.gov/biblio/1405251

Bauer, S.J., Blankenship, D., Roberts, B.L., & Roberts, B.L. (2016). Well Integrity for Natural Gas Storage in Depleted Reservoirs and Aquifers. https://doi.org/10.2172/1431465

Blankenship, D. (2016). Frontier Observatory for Research in Geothermal Energy: Phase 1 Topical Report West Flank of Coso, CA. https://doi.org/10.2172/1455367

Blankenship, D. (2016). Frontier Observatory for Research in Geothermal Energy: Phase 1 Topical Report Fallon, NV. https://doi.org/10.2172/1432175

Bauer, S.J., Blankenship, D., Dykhuizen, R.C., Roberts, B.L., Barry, F., L Pan, L., C Oldenburg, L., S Perfect, L., J Morris, L., & J Morris, L. (2016). National Lab Activity Overview [Conference Poster]. https://www.osti.gov/biblio/1422179

al, S.E., Blankenship, D., & Blankenship, D. (2016). GEOLOGIC SETTING OF THE WEST FLANK A FORGE SITE ADJACENT TO THE COSO GEOTHERMAL FIELD [Conference Poster]. https://www.osti.gov/biblio/1366873

al Sabin, E., Blankenship, D., & Blankenship, D. (2016). STRATIGRAPHIC AND STRUCTURAL FRAMEWORK OF THE PROPOSED FALLON FORGE SITE NEVADA [Conference Poster]. https://www.osti.gov/biblio/1366872

Blankenship, D. (2016). FORGE - NAWSCL Meeting April 7 2016 [Presentation]. https://www.osti.gov/biblio/1514553

Blankenship, D. (2016). Drilling Challenges in Geothermal Reservoirs [Conference Poster]. https://www.osti.gov/biblio/1367577

Bauer, S.J., Blankenship, D., Dykhuizen, R.C., Barry, F., Preston Jordan, L., Curtis Oldenburg, L., Scott Perfect, L., Joe Morris, L., & Joe Morris, L. (2016). Aliso Canyon Leak Summary & Intro to Well Integrity Workshop [Conference Poster]. https://www.osti.gov/biblio/1365299

Bauer, S.J., Blankenship, D., Dykhuizen, R.C., Barry Freifeld, L., Curt Oldenburg, L., Scott Perfect, L., Joe Morris, L., & Joe Morris, L. (2016). Workshop on Wellbore Integrity for Natural Gas Storage in Depleted Reservoirs and Aquifers [Conference Poster]. https://www.osti.gov/biblio/1365033

Lowry, T.S., Blankenship, D., Kalinina, E.A., Hadgu, T., & Hadgu, T. (2016). A Probabilistic Assessment of Enhanced Geothermal Systems Uncertainty and Levelized Cost of Electricity [Conference Poster]. https://www.osti.gov/biblio/1345108

Blankenship, D. (2015). SubTER Wellbore Integrity Presentation June 4-5 2015 [Presentation]. https://www.osti.gov/biblio/1514235

Blankenship, D., Yarom Polsky, O., & Yarom Polsky, O. (2015). Wellbore Integrity and Drilling Technologies [Presentation]. https://www.osti.gov/biblio/1514246

Blankenship, D. (2015). Wellbore Integrity and Drilling Technologies [Presentation]. https://www.osti.gov/biblio/1514249

Raymond, D., Blankenship, D., Buerger, S., Cashion, A.T., Mesh, M., Radigan, W.T., Su, J., & Su, J. (2015). Active Suppression of Drilling System Vibrations For Deep Drilling. https://doi.org/10.2172/1225847

Sugama, T., Pyatina, T., Redline, E., McElhanon, J.R., Blankenship, D., & Blankenship, D. (2015). Degradation of different elastomeric polymers in simulated geothermal environments at 300°C. Polymer Degradation and Stability, 120(C), pp. 328-339. https://doi.org/10.1016/j.polymdegradstab.2015.07.010

Blankenship, D. (2015). The DOE Frontier Observatory for Research in Geothermal Energy: Candidate Sites at Fallon NV and Coso CA [Presentation]. https://www.osti.gov/biblio/1514073

Blankenship, D. (2015). Geothermal Energy ? Today and Tomorrow [Presentation]. https://www.osti.gov/biblio/1249464

Sugama, T., Pyatina, T., Redline, E., McElhanon, J.R., Blankenship, D., & Blankenship, D. (2014). Evaluation of the Performance of O-rings Made with Different Elastomeric Polymers in Simulated Geothermal Environments at 300°C. https://doi.org/10.2172/1173215

Blankenship, D., Polsky, Y., & Polsky, Y. (2014). Wellbore Integrity and Drilling Technology [Presentation]. https://www.osti.gov/biblio/1504030

Blankenship, D. (2014). Well Construction and Reservoir Research Efforts of the United States Department of Energy National Laboratories [Presentation]. https://www.osti.gov/biblio/1241696

Cieslewski, G., Blankenship, D., & Blankenship, D. (2014). Geothermal Research Overview [Presentation]. https://www.osti.gov/biblio/1502640

Knudsen, S.D., Broome, S.T., Su, J., Blankenship, D., & Blankenship, D. (2014). Development of a Mine Rescue Drilling System (MRDS). https://doi.org/10.2172/1177065

Knudsen, S.D., Dupriest, F., Zemach, E., Blankenship, D., & Blankenship, D. (2014). Practices maintain straight hole in crooked hole conditions, while also enabling significant gains in drill rate [Presentation]. Proceedings - SPE Annual Technical Conference and Exhibition. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84931459257&origin=inward

Knudsen, S.D., Dupriest, F., Zemach, E., Blankenship, D., & Blankenship, D. (2014). Practices maintain straight hole in crooked hole conditions, while also enabling significant gains in drill rate [Conference Poster]. Proceedings - SPE Annual Technical Conference and Exhibition. https://doi.org/10.2118/170904-MS

Blankenship, D. (2013). Geothermal Well Cost Update 2013 [Conference]. https://www.osti.gov/biblio/1114396

Bauer, S.J., Blankenship, D., & Blankenship, D. (2013). Geothermal Implementing Agreement Annex VII: Advanced Geothermal Drilling and Logging Technology [Presentation]. https://www.osti.gov/biblio/1661327

Blankenship, D. (2013). ENG 505 Energy Technologies Systems and Applications - Geothermal Energy [Conference]. https://www.osti.gov/biblio/1083829

Blankenship, D. (2013). Geothermal Well Cost Update 2013 [Conference]. https://www.osti.gov/biblio/1078952

Blankenship, D. (2013). 2013 Geothermal Technologies Office Peer Review Summary: Evaluation of Drilling Technology [Conference]. https://www.osti.gov/biblio/1069059

Knudsen, S.D., Blankenship, D., & Blankenship, D. (2012). PDC Bits Outperform Conventional Bit in Geothermal Drilling Project [Conference]. https://www.osti.gov/biblio/1116394

Blankenship, D. (2012). Drilling Best Practices [Conference]. https://www.osti.gov/biblio/1067758

Blankenship, D., Lowry, T.S., & Lowry, T.S. (2012). ENG 505 - Energy Surety and Systems: Geothermal Energy [Conference]. https://www.osti.gov/biblio/1117827

Blankenship, D. (2012). Handbook of Best Practices for Geothermal Drilling. https://doi.org/10.2172/1325261

Blankenship, D. (2010). Top Hat Flow Calcuations [Presentation]. https://www.osti.gov/biblio/1675071

Tidwell, V.C., Blankenship, D., Kobos, P., Klise, G.T., Villa, D.L., McKenna, S.A., & McKenna, S.A. (2010). A Multi-Tiered System Dynamics Approach for Geothermal Systems Analysis and Evaluation [Conference]. https://www.osti.gov/biblio/1281091

Blankenship, D. (2009). A Review of Renewable Energy and Research at Sandia National Laboratories [Presentation]. https://www.osti.gov/biblio/1696847

Blankenship, D., Chavira, D., Henfling, J.A., King, D.K., Knudsen, S.D., Polsky, Y., & Polsky, Y. (2009). Development of a High-Temperature Diagnostics-While-Drilling Tool. https://doi.org/10.2172/1219320

Blankenship, D. (2008). Geothermal and Well Construction Research [Presentation]. https://www.osti.gov/biblio/1706567

Blankenship, D. (2008). Geothermal Well Cost Analyses 2008 [Conference]. https://www.osti.gov/biblio/1143108

Blankenship, D., Raymond, D., & Raymond, D. (2008). Geothermal Research: Presentation to STEAB 04/08/08 [Presentation]. https://www.osti.gov/biblio/1712869

Blankenship, D., Mansure, A., & Mansure, A. (2007). Drilling and Completions Technology for Geothermal Wells [Presentation]. https://www.osti.gov/biblio/1714534

Blankenship, D. (2007). Drilling Technology for National Security [Presentation]. https://www.osti.gov/biblio/1721584

Mansure, A., Blankenship, D., & Blankenship, D. (2007). Drilling and Completions Technology for Geothermal Wells [Conference]. https://www.osti.gov/biblio/1148107

Blankenship, D., Henfling, J.A., Mansure, A., Knudsen, S.D., Chavira, D., & Chavira, D. (2006). High-Temperature Diagnostics-While Drilling System [Conference]. https://www.osti.gov/biblio/1264428

Wise, J.L., Mansure, A., Blankenship, D., & Blankenship, D. (2005). Hard-rock field performance of drag bits and a downhole Diagnostics-While-Drilling (DWD) tool [Conference]. Transactions - Geothermal Resources Council. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=33745200060&origin=inward

Finger, J.T., Mansure, A., Henfling, J.A., Jacobson, R.D., Blankenship, D., & Blankenship, D. (2003). DWD : second-generation data link (2.2.4a) [Conference]. https://www.osti.gov/biblio/1005063

Finger, J.T., Mansure, A., Jacobson, R.D., Henfling, J.A., Blankenship, D., & Blankenship, D. (2003). DWD : downhole measurement sub (2.2.4b) [Conference]. https://www.osti.gov/biblio/1005051

Mansure, A., Finger, J.T., Blankenship, D., & Blankenship, D. (2003). DWD : field test & analysis (2.2.4c) [Conference]. https://www.osti.gov/biblio/1005083