Using in-situ strain measurements to evaluate the accuracy of stress estimation procedures from fracture injection/shut-in tests

Autor: Ajo-Franklin, J., Baumgartner, T., Beckers, K., Blankenship, D., Bonneville, A., Boyd, L., Brown, S., Burghardt, J.A., Chai, C., Chakravarty, A., Chen, T., Chen, Y., Chi, B., Condon, K., Cook, P.J., Crandall, D., Dobson, P.F., Doe, T., Doughty, C.A., Elsworth, D., Feldman, J., Feng, Z., Foris, A., Frash, L.P., Frone, Z., Fu, P., Gao, K., Ghassemi, A., Guglielmi, Y., Haimson, B., Hawkins, A., Heise, J., Hopp, C., Horn, M., Horne, R.N., Horner, J., Hu, M., Huang, H., Huang, L., Im, K.J., Ingraham, M., Jafarov, E., Jayne, R.S., Johnson, T.C., Johnson, S.E., Johnston, B., Karra, S., Kim, K., King, D.K., Kneafsey, T., Knox, H., Knox, J., Kumar, D., Kutun, K., Lee, M., Li, D., Li, J., Li, K., Li, Z., Maceira, M., Mackey, P., Makedonska, N., Marone, C.J., Mattson, E., McClure, M.W., McLennan, J., McLing, T., Medler, C., Mellors, R.J., Metcalfe, E., Miskimins, J., Moore, J., Morency, C.E., Morris, J.P., Myers, T., Nakagawa, S., Neupane, G., Newman, G., Nieto, A., Paronish, T., Pawar, R., Petrov, P., Pietzyk, B., Podgorney, R., Polsky, Y., Pope, J., Porse, S., Primo, J.C., Pyatina, T., Reimers, C., Roberts, B.Q., Robertson, M., Rodríguez-Tribaldos, V., Roggenthen, W., Rutqvist, J., Rynders, D., Schoenball, M., Schwering, P., Sesetty, V., Sherman, C.S., Singh, A., Smith, M.M., Sone, H., Sonnenthal, E.L., Soom, F.A., Sprinkle, D.P., Sprinkle, S., Strickland, C.E., Su, J., Templeton, D., Thomle, J.N., Ulrich, C., Uzunlar, N., Vachaparampil, A., Valladao, C.A., Vandermeer, W., Vandine, G., Vardiman, D., Vermeul, V.R., Wagoner, J.L., Wang, H.F., Weers, J., Welch, N., White, J., White, M.D., Winterfeld, P., Wood, T., Workman, S., Wu, H., Wu, Y.S., Yildirim, E.C., Zhang, Y., Zhang, Y.Q., Zhou, Q., Zoback, M.D., Guglielmi, Yves, McClure, Mark, Burghardt, Jeffrey, Morris, Joseph P., Doe, Thomas, Fu, Pengcheng, Knox, Hunter, Vermeul, Vince, Kneafsey, Tim

Publikováno v: In International Journal of Rock Mechanics and Mining Sciences October 2023 170

The EGS Collab project: Status and Accomplishments

Autor: Kneafsey, T, Blankenship, D, Dobson, P, White, M, Morris, JP, Fu, P, Schwering, PC, Ajo-Franklin, JB, Huang, L, Knox, HA, Strickland, C, Burghardt, J, Johnson, T, Neupane, G, Weers, J, Horne, R, Roggenthen, W, Doe, T, Mattson, E, Ajo-Franklin, J, Baumgartner, T, Beckers, K, Bonneville, A, Boyd, L, Brown, S, Burghardt, JA, Chai, C, Chakravarty, A, Chen, T, Chen, Y, Chi, B, Condon, K, Cook, PJ, Crandall, D, Doughty, CA, Elsworth, D, Feldman, J, Feng, Z, Foris, A, Frash, LP, Frone, Z, Gao, K, Ghassemi, A, Guglielmi, Y, Haimson, B, Hawkins, A, Heise, J, Hopp, C, Horn, M, Horne, RN, Horner, J, Hu, M, Huang, H, Im, KJ, Ingraham, M, Jafarov, E, Jayne, RS, Johnson, TC, Johnson, SE, Johnston, B, Karra, S, Kim, K, King, DK, Knox, H, Knox, J, Kumar, D, Kutun, K, Lee, M, Li, D, Li, J, Li, K, Li, Z, MacEira, M, MacKey, P, Makedonska, N, Marone, CJ, McClure, MW, McLennan, J, McLing, T, Medler, C, Mellors, RJ, Metcalfe, E, Miskimins, J, Moore, J, Morency, CE, Myers, T, Nakagawa, S, Newman, G, Nieto, A, Paronish, T, Pawar, R

The EGS Collab project, supported by the US Department of Energy, is addressing challenges in implementing enhanced geothermal systems (EGS). This includes improving understanding of the stimulation of crystalline rock to create appropriate flow path

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______325::c442aef7f51f7ad7a3ae46eefb6031a7
https://escholarship.org/uc/item/9z90x8kx

Low Static Shear Modulus Along Foliation and Its Influence on the Elastic and Strength Anisotropy of Poorman Schist Rocks, Homestake Mine, South Dakota

Autor: Condon, KJ, Sone, H, Wang, HF, Ajo-Franklin, J, Baumgartner, T, Beckers, K, Blankenship, D, Bonneville, A, Boyd, L, Brown, S, Burghardt, JA, Chai, C, Chen, Y, Chi, B, Condon, K, Cook, PJ, Crandall, D, Dobson, PF, Doe, T, Doughty, CA, Elsworth, D, Feldman, J, Feng, Z, Foris, A, Frash, LP, Frone, Z, Fu, P, Gao, K, Ghassemi, A, Guglielmi, Y, Haimson, B, Hawkins, A, Heise, J, Hopp, C, Horn, M, Horne, RN, Horner, J, Hu, M, Huang, H, Huang, L, Im, KJ, Ingraham, M, Jafarov, E, Jayne, RS, Johnson, SE, Johnson, TC, Johnston, B, Kim, K, King, DK, Kneafsey, T, Knox, H, Knox, J, Kumar, D, Lee, M, Li, K, Li, Z, Maceira, M, Mackey, P, Makedonska, N, Mattson, E, McClure, MW, McLennan, J, Medler, C, Mellors, RJ, Metcalfe, E, Moore, J, Morency, CE, Morris, JP, Myers, T, Nakagawa, S, Neupane, G, Newman, G, Nieto, A, Oldenburg, CM, Paronish, T, Pawar, R, Petrov, P, Pietzyk, B, Podgorney, R, Polsky, Y, Pope, J, Porse, S, Primo, JC, Reimers, C, Roberts, BQ, Robertson, M, Roggenthen, W, Rutqvist, J, Rynders, D, Schoenball, M, Schwering, P, Sesetty, V, Sherman, CS, Singh, A, Smith, MM, Sonnenthal, EL, Soom, FA, Sprinkle, P, Strickland, CE

Publikováno v: Rock Mechanics and Rock Engineering, vol 53, iss 11

We investigate the influence of foliation orientation and fine-scale folding on the static and dynamic elastic properties and unconfined strength of the Poorman schist. Measurements from triaxial and uniaxial laboratory experiments reveal a significa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______325::4626a8331996d1d686fba63da3a29631
https://escholarship.org/uc/item/63z223b3

Non-dilatant deformation and failure mechanism in two Long Valley Caldera rocks under true triaxial compression

Autor: Chang, C., Haimson, B.

Publikováno v: In International Journal of Rock Mechanics and Mining Sciences 2005 42(3):402-414

EGS Collab project: Status, tests, and data

Autor: Kneafsey, TJ, Dobson, PF, Ajo-Franklin, JB, Guglielmi, Y, Valladao, CA, Blankenship, DA, Schwering, PC, Knox, HA, White, MD, Johnson, TC, Strickland, CE, Vermuel, VR, Morris, JP, Fu, P, Mattson, E, Neupane, GH, Podgorney, RK, Doe, TW, Huang, L, Frash, LP, Ghassemi, A, Roggenthen, W, Bauer, SJ, Baumgartner, T, Beckers, K, Blankenship, D, Bonneville, A, Boyd, L, Brown, S, Brown, ST, Burghardt, JA, Chen, T, Chen, Y, Condon, K, Cook, PJ, Crandall, D, Doe, T, Doughty, CA, Elsworth, D, Feldman, J, Foris, A, Frone, Z, Gao, K, Gudmundsdottir, H, Guthrie, G, Haimson, B, Hawkins, A, Heise, J, Horn, M, Horne, RN, Horner, J, Hu, M, Huang, H, Im, KJ, Ingraham, M, Jayne, RS, Johnston, B, Karra, S, Kim, K, King, DK, Knox, H, Knox, J, Kumar, D, Kutun, K, Lee, M, Li, K, Lopez, R, Maceira, M, Mackey, P, Makedonska, N, Marone, CJ, McClure, MW, McLennan, J, McLing, T, Medler, C, Mellors, RJ, Metcalfe, E, Miskimins, J, Moore, J, Nakagawa, S, Neupane, G, Newman, G, Nieto, A, Oldenburg, CM, Pan, W, Paronish, T, Pawar, R, Petrov, P, Pietzyk, B

Copyright 2019 ARMA, American Rock Mechanics Association. The EGS (Enhanced Geothermal Systems) Collab project is performing stimulation and flow experiments in highly-monitored and well-characterized intermediate-scale (approximately10 to 20 meter)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______325::ad640f2c066a1beb0258b5350fd2de1d
https://escholarship.org/uc/item/27b9m9m4