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2024 Swanson KGSF
February 10, 2025 Brett Huber, Commissioner Alaska Oil and Gas Conservation Commission 333 W. 7th Avenue, Suite 100 Anchorage, AK 99501-3539 RE: 2024 Annual Material Balance Calculations of Production and Injection Volumes: Kenai Gas Storage Facility #1 (KGSF#1, KGSF#1A & KGSF#7A), Swanson River Field Commissioner Huber: Attached for Alaska Oil and Gas Conservation Commission (AOGCC) review is the 2024 annual material balance calculation of production and injection volumes for the Kenai Gas Storage Facility #1 as required per Storage Injection Order #2A. This material balance includes all primary production from the Tyonek 64-5 reservoir (via SRU 43-28), as well as all storage operations from the gas storage wells KGSF #1, KGSF#1A (sidetracked from KGSF#1 in Fall 2020), and KGSF #7A. Primary production occurred December 1998 – May 2001 with storage operations on-going since June 2001. Gas storage production and injection volumes for KGSF #1 (formerly SRU 43-28), KGSF#1A, and KGSF#7A have been reported to the state monthly through December 31, 2024. KGSF#1 was last online in March 2020, when it sanded up and could not be repaired. That well was re-drilled as KGSF#1A in October 2020 and brought online in mid-November 2020. Pressures from the Tyonek 64-5 reservoir have been measured/estimated from both downhole pressure buildups and from surface shut-in tubing pressures. Surface readings were converted to downhole pressures at a common datum of 6,369’ TVD. All data points are tabulated in Attachment #1 and plotted versus the net cumulative production (production less injection) on the standard P over Z plot, shown in Attachment #2. The P over Z plot shows that the 2024 production and injection cycle followed the primary production profile as expected. This storage reservoir continues to contain the gas within zone and is an important resource in helping meet peak gas requirements during the winter season. Please contact me at (907) 777-8300 with any questions regarding this report. Sincerely, Daniel Taylor Reservoir Engineer, P.E. 143467 Attachments: 1. Tyonek 64-5 Sand POZ Data 2. Tyonek 64-5 Sand POZ Plot Post Office Box 244027 Anchorage, AK 99524-4027 3800 Centerpoint Drive Suite 1400 Anchorage, AK 99503 Digitally signed by Daniel Taylor (1691) DN: cn=Daniel Taylor (1691) Date: 2025.02.10 10:07:29 - 09'00' Daniel Taylor (1691) Year Month WELL_RES WELL_NAME DATE_TIME TbgPress GIP Gp Pz 2012 1 Tyonek 64-5 KGSF 7A 1/31/2012 2175 1456.714 0.118 2888.794 2012 2 Tyonek 64-5 KGSF 7A 2/28/2012 2562 1445.392 0.129 3352.214 2012 3 Tyonek 64-5 KGSF 7A 3/31/2012 2023 1185.273 0.389 2696.087 2012 4 Tyonek 64-5 KGSF 1A 4/30/2012 1994 1130.915 0.443 2662.518 2012 5 Tyonek 64-5 KGSF 1A 5/31/2012 1913 1098.835 0.476 2556.593 2012 6 Tyonek 64-5 KGSF 1A 6/30/2012 2083 1150 0.424 2776.916 2012 7 Tyonek 64-5 KGSF 1A 7/31/2012 2200 1158.72 0.416 2924.137 2012 8 Tyonek 64-5 KGSF 7A 8/31/2012 2272 1342.051 0.232 3008.619 2012 9 Tyonek 64-5 KGSF 7A 9/30/2012 2486 1411.964 0.162 3264.291 2012 10 Tyonek 64-5 KGSF 1A 10/31/2012 2860 1566.221 0.008 3687.225 2012 11 Tyonek 64-5 KGSF 1A 11/30/2012 2410 1423.187 0.151 3179.357 2012 12 Tyonek 64-5 KGSF 1A 12/31/2012 2301 1333.765 0.241 3048.332 2013 1 Tyonek 64-5 KGSF 1A 1/31/2013 2421 1380.636 0.194 3192.406 2013 2 Tyonek 64-5 KGSF 1A 2/28/2013 2423 1369.079 0.205 3194.775 2013 3 Tyonek 64-5 KGSF 1A 3/31/2013 2820 1563.355 0.011 3644.236 2013 4 Tyonek 64-5 KGSF 1A 4/30/2013 2866 1596.999 -0.023 3693.637 2013 5 Tyonek 64-5 KGSF 1A 5/31/2013 2833 1596.133 -0.022 3658.254 2013 6 Tyonek 64-5 KGSF 1A 6/30/2013 2754 1596 -0.022 3572.386 2013 7 Tyonek 64-5 KGSF 1A 7/31/2013 2754 1596 -0.022 3572.386 2013 8 Tyonek 64-5 KGSF 7A 8/31/2013 2810 1594.239 -0.02 3628.634 2013 9 Tyonek 64-5 KGSF 7A 9/30/2013 2810 1579.586 -0.005 3628.634 2013 10 Tyonek 64-5 KGSF 1A 10/31/2013 2760 1579.776 -0.005 3578.965 2013 11 Tyonek 64-5 KGSF 1A 11/30/2013 2556 1454.518 0.12 3349.964 2013 12 Tyonek 64-5 KGSF 7A 12/31/2013 2306 1348.455 0.226 3050.039 2014 1 Tyonek 64-5 KGSF 1A 1/31/2014 2270 1246.477 0.328 3010.498 2014 2 Tyonek 64-5 KGSF 1A 2/28/2014 1996 1342.148 0.232 2665.111 2014 3 Tyonek 64-5 KGSF 7A 3/31/2014 3072 1686.599 -0.112 3903.221 2014 4 Tyonek 64-5 KGSF 1A 4/30/2014 3083 1666.299 -0.092 3919.179 2014 5 Tyonek 64-5 KGSF 1A 5/31/2014 2899 1664.194 -0.09 3728.734 2014 6 Tyonek 64-5 KGSF 1A 6/30/2014 2890 1664.194 -0.09 3719.19 2014 7 Tyonek 64-5 KGSF 1A 7/31/2014 2873 1660.129 -0.086 3701.106 2014 8 Tyonek 64-5 KGSF 1A 8/31/2014 2865 1658.693 -0.084 3692.569 2014 9 Tyonek 64-5 KGSF 1A 9/30/2014 2860 1658.107 -0.084 3687.225 2014 10 Tyonek 64-5 KGSF 1A 10/31/2014 2606 1509.591 0.065 3407.104 2014 11 Tyonek 64-5 KGSF 1A 11/30/2014 2613 1498.707 0.076 3415.051 2014 12 Tyonek 64-5 KGSF 1A 12/31/2014 2635 1497.162 0.077 3439.944 2015 1 Tyonek 64-5 KGSF 1A 1/31/2015 2647 1496.097 0.078 3453.468 2015 2 Tyonek 64-5 KGSF 1A 2/28/2015 2562 1459.489 0.115 3356.856 2015 3 Tyonek 64-5 KGSF 1A 3/31/2015 2540 1444.431 0.13 3331.541 2015 4 Tyonek 64-5 KGSF 7A 4/30/2015 2199.11 1306.557 0.268 2918.807 2015 5 Tyonek 64-5 KGSF 1A 5/31/2015 2174 1298.547 0.276 2891.733 2015 6 Tyonek 64-5 KGSF 1A 6/30/2015 2182.015 1292.909 0.282 2901.741 2015 7 Tyonek 64-5 KGSF 1A 7/31/2015 2029.53 1230.86 0.344 2708.437 2015 8 Tyonek 64-5 KGSF 7A 8/31/2015 1893.015 1130.032 0.444 2526.506 2015 9 Tyonek 64-5 KGSF 1A 9/30/2015 1752.052 1106.693 0.468 2341.001 2015 10 Tyonek 64-5 KGSF 1A 10/31/2015 1849.641 1126.039 0.448 2472.535 2015 11 Tyonek 64-5 KGSF 1A 11/30/2015 2148.193 1374.238 0.2 2859.392 2015 12 Tyonek 64-5 KGSF 1A 12/31/2015 2854 1581.459 -0.007 3680.803 2016 1 Tyonek 64-5 KGSF 1A 1/31/2016 2814.274 1580.19 -0.006 3638.048 2016 2 Tyonek 64-5 KGSF 1A 2/28/2016 2662.834 1538.909 0.036 3471.255 2016 3 Tyonek 64-5 KGSF 1A 3/31/2016 2630 1507.588 0.067 3434.297 Year Month WELL_RES WELL_NAME DATE_TIME TbgPress GIP Gp Pz 2016 4 Tyonek 64-5 KGSF 1A 4/30/2016 2450 1509.843 0.065 3226.656 2016 5 Tyonek 64-5 KGSF 1A 5/31/2016 2776 1591.053 -0.017 3596.463 2016 6 Tyonek 64-5 KGSF 1A 6/30/2016 2960 1667.505 -0.093 3792.857 2016 7 Tyonek 64-5 KGSF 1A 7/31/2016 2990 1701.406 -0.127 3824.034 2016 8 Tyonek 64-5 KGSF 1A 8/31/2016 2945 1701.406 -0.127 3777.179 2016 9 Tyonek 64-5 KGSF 1A 9/30/2016 2900 1701.406 -0.127 3729.793 2016 10 Tyonek 64-5 KGSF 7A 10/31/2016 2911 1718.102 -0.144 3736.609 2016 11 Tyonek 64-5 KGSF 1A 11/30/2016 3039 1809.545 -0.235 3874.447 2016 12 Tyonek 64-5 KGSF 1A 12/31/2016 2930 1795.667 -0.221 3761.443 2017 1 Tyonek 64-5 KGSF 1A 1/31/2017 3003 1828.755 -0.254 3837.47 2017 2 Tyonek 64-5 KGSF 7A 2/28/2017 3162 1875.975 -0.302 3993.41 2017 3 Tyonek 64-5 KGSF 1A 3/31/2017 2710 1663.864 -0.089 3523.849 2017 4 Tyonek 64-5 KGSF 1A 4/30/2017 2843 1720.605 -0.146 3669.006 2017 5 Tyonek 64-5 KGSF 1A 5/31/2017 2469 1530.209 0.044 3248.975 2017 6 Tyonek 64-5 KGSF 1A 6/30/2017 2688 1598.293 -0.024 3499.39 2017 7 Tyonek 64-5 KGSF 1A 7/31/2017 2829 1663.147 -0.089 3653.945 2017 8 Tyonek 64-5 KGSF 1A 8/31/2017 2886 1708.249 -0.134 3714.942 2017 9 Tyonek 64-5 KGSF 7A 9/30/2017 2884 1712.284 -0.138 3708.005 2017 10 Tyonek 64-5 KGSF 1A 10/31/2017 2797 1672.914 -0.099 3619.327 2017 11 Tyonek 64-5 KGSF 1A 11/30/2017 2811 1675.713 -0.101 3634.506 2017 12 Tyonek 64-5 KGSF 1A 12/31/2017 2781 1662.775 -0.088 3601.917 2018 1 Tyonek 64-5 KGSF 7A 1/31/2018 2660 1594.941 -0.021 3463.363 2018 2 Tyonek 64-5 KGSF 1A 2/28/2018 2371 1484.609 0.09 3132.835 2018 3 Tyonek 64-5 KGSF 1A 3/31/2018 2336 1433.667 0.141 3090.745 2018 4 Tyonek 64-5 KGSF 1A 4/30/2018 2226 1401.332 0.173 2956.365 2018 5 Tyonek 64-5 KGSF 1A 5/31/2018 2238 1400.432 0.174 2971.179 2018 6 Tyonek 64-5 KGSF 1A 6/30/2018 2255 1400.387 0.174 2992.101 2018 7 Tyonek 64-5 KGSF 1A 7/31/2018 2264 1400.387 0.174 3003.146 2018 8 Tyonek 64-5 KGSF 1A 8/31/2018 2272 1400.007 0.174 3012.947 2018 9 Tyonek 64-5 KGSF 1A 9/30/2018 2275 1399.588 0.175 3016.618 2018 10 Tyonek 64-5 KGSF 1A 10/31/2018 2283 1399.554 0.175 3026.395 2018 11 Tyonek 64-5 KGSF 1A 11/30/2018 2231 1383.352 0.191 2962.542 2018 12 Tyonek 64-5 KGSF 1A 12/31/2018 2260 1384.808 0.19 2998.24 2019 1 Tyonek 64-5 KGSF 1A 1/31/2019 2233 1380.611 0.194 2965.011 2019 2 Tyonek 64-5 KGSF 7A 2/28/2019 2434.921 1448.31 0.126 3204.352 2019 3 Tyonek 64-5 KGSF 1A 3/31/2019 2338 1406.413 0.168 3093.159 2019 4 Tyonek 64-5 KGSF 7A 4/30/2019 2299 1394.245 0.18 3041.536 2019 5 Tyonek 64-5 KGSF 1A 5/31/2019 2320 1394.351 0.18 3071.396 2019 6 Tyonek 64-5 KGSF 1A 6/30/2019 2261 1380.007 0.194 2999.467 2019 7 Tyonek 64-5 KGSF 7A 7/31/2019 2201 1355.863 0.219 2921.153 2019 8 Tyonek 64-5 KGSF 1A 8/31/2019 2160.335 1333.578 0.241 2874.63 2019 9 Tyonek 64-5 KGSF 1A 9/30/2019 2144 1528.477 0.046 2854.121 2019 10 Tyonek 64-5 KGSF 1A 10/31/2019 2765 1582.282 -0.008 3584.44 2019 11 Tyonek 64-5 KGSF 1A 11/30/2019 2743 1583.601 -0.009 3560.299 2019 12 Tyonek 64-5 KGSF 1A 12/31/2019 2353 1427.551 0.147 3111.229 2020 1 Tyonek 64-5 KGSF 1A 1/31/2020 1350 1214.698 0.36 1772.702 2020 2 Tyonek 64-5 KGSF 1A 2/28/2020 1445 1121.743 0.453 1910.818 2020 3 Tyonek 64-5 KGSF 1A 3/31/2020 1460 1101.846 0.473 1932.409 2020 4 Tyonek 64-5 KGSF 1A 4/30/2020 1520 1094.042 0.48 2018.181 2020 5 Tyonek 64-5 KGSF 1A 5/31/2020 1540 1094.197 0.48 2046.561 2020 6 Tyonek 64-5 KGSF 1A 6/30/2020 767 1094.113 0.48 873.164 Year Month WELL_RES WELL_NAME DATE_TIME TbgPress GIP Gp Pz 2020 7 Tyonek 64-5 KGSF 1A 7/31/2020 1770 1170.197 0.404 2365.38 2020 8 Tyonek 64-5 KGSF 1A 8/31/2020 1900 1344.511 0.23 2539.432 2020 9 Tyonek 64-5 KGSF 7A 9/30/2020 2529 1534.73 0.04 3314.222 2020 10 Tyonek 64-5 KGSF 7A 10/31/2020 2841 1575.972 -0.002 3662.058 2020 11 Tyonek 64-5 KGSF 1A 11/30/2020 2801 1571.16 0.003 3623.669 2020 12 Tyonek 64-5 KGSF 1A 12/31/2020 2533 1494.813 0.08 3323.46 2021 1 Tyonek 64-5 KGSF 1A 1/31/2021 2438 1418.492 0.156 3212.51 2021 2 Tyonek 64-5 KGSF 7A 2/28/2021 2182 1290.102 0.284 2897.523 2021 3 Tyonek 64-5 KGSF 1A 3/31/2021 1942 1177.281 0.397 2594.715 2021 4 Tyonek 64-5 KGSF 1A 4/30/2021 1999.554 1340.421 0.234 2669.718 2021 5 Tyonek 64-5 KGSF 7A 5/31/2021 2490 1609.992 -0.036 3268.956 2021 6 Tyonek 64-5 KGSF 7A 6/30/2021 3100 1710.601 -0.136 3931.506 2021 7 Tyonek 64-5 KGSF 1A 7/31/2021 3060 1732.715 -0.158 3895.86 2021 8 Tyonek 64-5 KGSF 7A 8/31/2021 3040 1732.212 -0.158 3870.644 2021 9 Tyonek 64-5 KGSF 7A 9/30/2021 3000 1736.145 -0.162 3829.547 2021 10 Tyonek 64-5 KGSF 1A 10/31/2021 3000 1743.922 -0.17 3834.373 2021 11 Tyonek 64-5 KGSF 7A 11/30/2021 2886 1701.784 -0.127 3710.13 2021 12 Tyonek 64-5 KGSF 1A 12/31/2021 2753 1619.362 -0.045 3571.288 2022 1 Tyonek 64-5 KGSF 1A 1/31/2022 2281 1390.01 0.184 3023.952 2022 2 Tyonek 64-5 KGSF 1A 2/28/2022 2017.318 1243.892 0.331 2692.691 2022 3 Tyonek 64-5 KGSF 1A 3/31/2022 2269 1196.199 0.378 3009.274 2022 4 Tyonek 64-5 KGSF 1A 4/30/2022 1837 1183.651 0.391 2455.639 2022 5 Tyonek 64-5 KGSF 7A 5/31/2022 2276 1539.309 0.035 3013.508 2022 6 Tyonek 64-5 KGSF 1A 6/30/2022 3120 1719.576 -0.145 3956.4 2022 7 Tyonek 64-5 KGSF 1A 7/31/2022 3041.83 1719.576 -0.145 3877.34 2022 8 Tyonek 64-5 KGSF 7A 8/31/2022 3130 1752.159 -0.178 3961.585 2022 9 Tyonek 64-5 KGSF 7A 9/30/2022 3090 1778.425 -0.204 3921.428 2022 10 Tyonek 64-5 KGSF 1A 10/31/2022 3098 1791.827 -0.217 3934.312 2022 11 Tyonek 64-5 KGSF 1A 11/30/2022 3018 1792.092 -0.218 3852.919 2022 12 Tyonek 64-5 KGSF 7A 12/31/2022 2880 1710.526 -0.136 3703.751 2023 1 Tyonek 64-5 KGSF 1A 1/31/2023 2875 1677.318 -0.103 3703.237 2023 2 Tyonek 64-5 KGSF 7A 2/28/2023 2912 1675.525 -0.101 3737.664 2023 3 Tyonek 64-5 KGSF 1A 3/31/2023 2901 1662.651 -0.088 3730.852 2023 4 Tyonek 64-5 KGSF 7A 4/30/2023 2929 1669.782 -0.095 3755.572 2023 5 Tyonek 64-5 KGSF 1A 5/31/2023 2992 1706.878 -0.132 3826.104 2023 6 Tyonek 64-5 KGSF 1A 6/30/2023 3013 1719.053 -0.145 3847.776 2023 7 Tyonek 64-5 KGSF 1A 7/31/2023 3022 1739.8 -0.165 3857.028 2023 8 Tyonek 64-5 KGSF 1A 8/31/2023 3197 1829.07 -0.255 4032.708 2023 9 Tyonek 64-5 KGSF 1A 9/30/2023 3185 1885.006 -0.311 4020.918 2023 10 Tyonek 64-5 KGSF 1A 10/31/2023 3139 1882.455 -0.308 3975.374 2023 11 Tyonek 64-5 KGSF 1A 11/30/2023 3080 1845.829 -0.271 3916.145 2023 12 Tyonek 64-5 KGSF 7A 12/31/2023 2968 1772.321 -0.198 3796.369 2024 1 Tyonek 64-5 KGSF 7A 1/31/2024 2882 1657.402 -0.083 3705.879 2024 2 Tyonek 64-5 KGSF 1A 2/28/2024 2534.21 1586.4 -0.012 3324.857 2024 3 Tyonek 64-5 KGSF 1A 3/31/2024 2606 1592.668 -0.018 3407.104 2024 4 Tyonek 64-5 KGSF 7A 4/30/2024 2891 1732.542 -0.158 3715.439 2024 5 Tyonek 64-5 KGSF 7A 5/31/2024 3085 1782.434 -0.208 3916.379 2024 6 Tyonek 64-5 KGSF 1A 6/30/2024 2992 1751.444 -0.177 3826.104 2024 7 Tyonek 64-5 KGSF 1A 7/31/2024 3060 1804.391 -0.23 3895.86 2024 8 Tyonek 64-5 KGSF 1A 8/31/2024 3291 1916.152 -0.342 4123.75 2024 9 Tyonek 64-5 KGSF 1A 9/30/2024 3394 2035.838 -0.461 4220.842 Year Month WELL_RES WELL_NAME DATE_TIME TbgPress GIP Gp Pz 2024 10 Tyonek 64-5 KGSF 1A 10/31/2024 3402 2104.347 -0.53 4228.267 2024 11 Tyonek 64-5 KGSF 7A 11/30/2024 3233 2049.223 -0.475 4063.067 2024 12 Tyonek 64-5 KGSF 1A 12/31/2024 3200 2023.246 -0.449 4035.649 2025 1 Tyonek 64-5 KGSF 1A 1/31/2025 3075 1901.927 -0.328 3911.084 0 500 1,000 1,500 2,000 2,500 3,000 3,500 4,000 4,500 5,000 -0.5 0 0.5 1 1.5 2 P/ z Gp (bcf) KGSF 1 & 7: TY_64-5 Storage Model Actuals Jul 28, 2024 Mean 95% Prediction Interval
