Analysis of pressure/flow response data from the EGS Collab Project

M. D. Ingraham, H. A. Knox, C. E. Strickland, V. R. Vermeul, J. A. Burghardt, J. Ajo-Franklin, S. J. Bauer, T. Baumgartner, K. Beckers, D. Blankenship, A. Bonneville, L. Boyd, S. T. Brown, J. A. Burghardt, T. Chen, Y. Chen, K. Condon, P. J. Cook, P. F. Dobson, T. DoeC. A. Doughty, D. Elsworth, J. Feldman, A. Foris, L. P. Frash, Z. Frone, P. Fu, K. Gao, A. Ghassemi, H. Gudmundsdottir, Y. Guglielmi, G. Guthrie, B. Haimson, A. Hawkins, J. Heise, C. G. Herrick, M. Horn, R. N. Horne, J. Horner, M. Hu, H. Huang, L. Huang, K. Im, M. Ingraham, T. C. Johnson, B. Johnston, S. Karra, K. Kim, D. K. King, T. Kneafsey, H. Knox, J. Knox, D. Kumar, K. Kutun, M. Lee, K. Li, R. Lopez, M. Maceira, N. Makedonska, C. Marone, E. Mattson, M. W. McClure, J. McLennan, T. McLing, R. J. Mellors, E. Metcalfe, J. Miskimins, J. P. Morris, S. Nakagawa, G. Neupane, G. Newman, A. Nieto, C. M. Oldenburg, W. Pan, R. Pawar, P. Petrov, B. Pietzyk, R. Podgorney, Y. Polsky, S. Porse, S. Richard, B. Q. Roberts, M. Robertson, W. Roggenthen, J. Rutqvist, D. Rynders, H. Santos-Villalobos, M. Schoenball, P. Schwering, V. Sesetty, A. Singh, M. M. Smith, H. Sone, C. E. Strickland, J. Su, C. Ulrich, N. Uzunlar, A. Vachaparampil, C. A. Valladao, W. Vandermeer, G. Vandine, D. Vardiman, V. R. Vermeul, J. L. Wagoner, H. F. Wang, J. Weers, J. White, M. D. White, P. Winterfeld, T. Wood, H. Wu, Y. S. Wu, Y. Wu, Y. Zhang, Y. Q. Zhang, J. Zhou, Q. Zhou, M. D. Zoback

Research output: Contribution to conferencePaperpeer-review

Abstract

A series of fracture and flow tests are being performed at the Sanford Underground Research Facility (SURF) as part of the EGS Collab project. The tests involve generating a communicating fracture(s) between two boreholes, and monitoring flow through the generated fracture(s). A long-term flow test was performed at the end of October 2018 through early November of 2018 between the injection and production wells at the EGS Collab site on the 4850 Level of SURF. This paper will present an analysis of the pressure, and flow during this test. Analysis and interpretation of the variation in the efficiency of the connection as the injection conditions changed is presented. Recovery of injected fluid is between 70 and 85%. Injection conditions varied from constant pressure, to constant rate, with formation induced pressure rise at constant flow rate, and multiple flush cycles to induce pressure decrease from apparent fracture plugging.

Original languageEnglish (US)
StatePublished - Jan 1 2019
Event53rd U.S. Rock Mechanics/Geomechanics Symposium - Brooklyn, United States
Duration: Jun 23 2019Jun 26 2019

Conference

Conference53rd U.S. Rock Mechanics/Geomechanics Symposium
CountryUnited States
CityBrooklyn
Period6/23/196/26/19

All Science Journal Classification (ASJC) codes

  • Geochemistry and Petrology
  • Geophysics

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