Fields: FAIRWAY (JAMES LIME)
Cum Oil
21.2M BBL
Cum Gas
327.5M MCF
casinghead
Wells
223
Production
1993-01 — 2026-04
Peak Month
2004-08
Production History Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]
Cum Oil: 21,201,299 BBL Cum Gas: 327,503,914 MCF
RRC production reported through Apr 2026 · recent months incomplete
Decline Curve Analysis
qi
237,429 BBL/mo
Di (annual)
16.8%
b-factor
0.0
EUR
16,928,279 BBL
R-squared
0.955
type
exponential
Operator History (from monthly production reports)
Wells (223)
| WELL# | API | OPERATOR | PERMITS | DEPTH | LAST_ISSUED |
|---|---|---|---|---|---|
| 5497 | 42-213-30755 | HIGHMARK ENERGY OPERATING, LLC | 2 | 10,500 | 2024-05-21 |
| 4492 | 42-213-30290 | HIGHMARK ENERGY OPERATING, LLC | 2 | 10,500 | 2024-01-24 |
| 4494 | 42-213-30746 | HIGHMARK ENERGY OPERATING, LLC | 3 | 10,500 | 2023-06-28 |
| 5482 | 42-213-30295 | HIGHMARK ENERGY OPERATING, LLC | 2 | 10,500 | 2022-12-27 |
| 4473 | 42-213-30754 | HIGHMARK ENERGY OPERATING, LLC | 2 | 10,500 | 2006-09-22 |
| 1542 | 42-213-30907 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,300 | 2006-07-27 |
| 7513H | 42-001-32534 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,300 | 2006-07-24 |
| 2522 | 42-213-30901 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,200 | 2006-02-21 |
| 5495 | 42-213-30024 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,100 | 2005-05-31 |
| 6462 | 42-213-30021 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,093 | 2005-05-31 |
| 5442 | 42-213-30027 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,150 | 2005-05-27 |
| 6452 | 42-213-30026 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,125 | 2005-05-27 |
| 7442 | 42-213-30771 | HIGHMARK ENERGY OPERATING, LLC | 2 | 10,500 | 2005-05-27 |
| 4482 | 42-213-30025 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,179 | 2005-03-15 |
| 7522H | 42-001-32476 | HIGHMARK ENERGY OPERATING, LLC | 2 | 10,300 | 2005-02-25 |
| 4453 | 42-213-30861 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 2003-10-31 |
| 256WG | 42-213-00551 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,375 | 2001-04-19 |
| 351WI | 42-213-00550 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,143 | 2001-04-19 |
| 2502 | 42-213-30022 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,048 | 2001-01-29 |
| 7423 | 42-213-30817 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 2000-12-27 |
| 7422 | 42-213-30777 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1997-06-11 |
| 6453 | 42-213-30767 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1996-08-19 |
| 7452 | 42-213-30768 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1996-08-19 |
| 7453 | 42-213-30768 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1996-08-19 |
| 5484 | 42-213-30757 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1995-06-02 |
| 7482 | 42-213-30756 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1995-06-02 |
| 7503 | 42-001-32220 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1995-06-02 |
| 7473 | 42-001-32217 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1995-05-17 |
| 640 | 42-213-00515 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,190 | 1995-02-23 |
| 640G | 42-213-00515 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,190 | 1995-02-23 |
| 7493 | 42-001-32210 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1994-09-16 |
| 4472 | 42-213-30747 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1994-03-02 |
| 5496 | 42-213-30745 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1994-03-02 |
| 6433 | 42-213-30744 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1994-03-02 |
| 6445 | 42-213-30743 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1994-03-02 |
| 7472 | 42-213-30742 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1994-03-02 |
| 7512 | 42-001-32199 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1994-02-14 |
| 7483 | 42-213-30711 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1992-12-31 |
| 6444 | 42-213-30705 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1992-12-07 |
| 6473 | 42-213-30708 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1992-12-07 |
| 6493 | 42-213-30707 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1992-12-07 |
| 6513 | 42-213-30709 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1992-12-07 |
| 7463 | 42-213-30706 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1992-12-07 |
| 5483 | 42-213-30697 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1992-06-09 |
| 6463 | 42-213-30695 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1992-05-21 |
| 6512 | 42-213-30696 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1992-05-21 |
| 6503 | 42-213-30692 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1992-04-29 |
| 5512 | 42-213-30324 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1981-04-08 |
| 8512 | 42-001-31025 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1980-10-01 |
| 3492 | 42-213-30300 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1980-09-09 |
| 4483 | 42-213-30299 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1980-09-09 |
| 4493 | 42-213-30291 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1980-09-09 |
| 4532 | 42-213-30292 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1980-09-09 |
| 5432 | 42-213-30293 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1980-09-09 |
| 5453 | 42-213-30294 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1980-09-09 |
| 6443 | 42-213-30296 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1980-09-09 |
| 6502 | 42-213-30297 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1980-09-09 |
| 6532 | 42-001-31003 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1980-09-09 |
| 7462 | 42-213-80219 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1980-09-09 |
| 7502 | 42-213-30298 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1980-09-09 |
| 8212 | 42-213-30285 | HIGHMARK ENERGY OPERATING, LLC | 2 | 10,500 | 1980-09-02 |
| 6492 | 42-213-30287 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1980-08-28 |
| 7352 | 42-213-30286 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1980-08-11 |
| 4462 | 42-213-30280 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,500 | 1980-06-24 |
| 148 | 42-213-80121 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 1492 | 42-213-30069 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 152 | 42-213-80217 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 154W | 42-213-00443 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 1WS | 42-213-00539 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 246 | 42-213-00449 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 247WG | 42-213-00456 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 248 | 42-213-80122 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 249WG | 42-213-00451 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 250 | 42-213-00459 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 251 | 42-213-00455 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 2512 | 42-213-30070 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 252 | 42-213-00436 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 253 | 42-213-00437 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 254 | 42-213-00435 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 2WS | 42-001-20015 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 346WI | 42-213-00450 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 347 | 42-213-00452 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 348 | 42-213-00458 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 349 | 42-213-80129 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 350 | 42-213-00453 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 352 | 42-213-80132 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 353 | 42-213-00552 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 354WG | 42-213-00427 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 355WG | 42-213-00430 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 3WS | 42-213-30005 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 4452 | 42-213-30042 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 446 | 42-213-80116 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 447 | 42-213-80136 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 447WG | 42-213-80136 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 448 | 42-213-00560 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 449 | 42-213-80138 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 450WG | 42-213-00561 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 451W | 42-213-00553 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 452 | 42-213-00434 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 4522 | 42-213-30068 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 453 | 42-213-80140 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 454 | 42-213-00429 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 455 | 42-213-00562 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 456W | 42-213-00566 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 458 | 42-213-00564 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 4WS | 42-213-30008 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 542 | 42-213-80144 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 543 | 42-213-00541 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 544 | 42-213-80146 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 545 | 42-213-00540 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 5452 | 42-213-30017 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 546 | 42-213-00537 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 547 | 42-213-00543 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 548 | 42-213-80148 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 549 | 42-213-80149 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 550 | 42-213-00544 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 551G | 42-213-00536 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 552G | 42-213-00534 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 553 | 42-213-00533 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 554 | 42-213-00563 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 555 | 42-213-00568 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 556W | 42-213-00567 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 560 | 42-213-00574 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 560WG | 42-213-00574 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 5WS | 42-213-30036 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 639W | 42-213-00514 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 641 | 42-213-80156 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 642 | 42-213-80157 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 6422 | 42-213-30023 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 643 | 42-213-00517 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 6432 | 42-213-30018 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 6442 | 42-213-30071 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 645 | 42-213-00518 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 6472 | 42-213-30020 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 647W | 42-213-00524 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 648 | 42-213-00530 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 6482 | 42-213-30019 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 649G | 42-213-00528 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 650 | 42-213-00531 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 651 | 42-213-80164 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 652 | 42-213-80165 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 653W | 42-213-00520 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 654G | 42-213-00529 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 655 | 42-213-00569 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 656 | 42-213-00575 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 657 | 42-213-00573 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 658 | 42-213-00576 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 659 | 42-213-00577 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 660WG | 42-001-00125 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 661 | 42-001-00126 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 6WS | 42-213-30034 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 735 | 42-213-00503 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 737G | 42-213-00505 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 738G | 42-213-00509 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 739 | 42-213-80169 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 740 | 42-213-80170 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 741 | 42-213-00513 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 742WI | 42-213-00512 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 743 | 42-213-00516 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 744G | 42-213-00523 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 745 | 42-213-00525 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 746 | 42-213-00527 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 747W | 42-001-00086 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 748 | 42-213-80177 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 749 | 42-001-00087 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 7492 | 42-001-30347 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 750 | 42-213-80178 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 751 | 42-001-00090 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 752WG | 42-001-00094 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 753 | 42-001-00096 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 754 | 42-001-80348 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 755G | 42-001-00120 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 756WI | 42-001-00122 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 758 | 42-001-80350 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 759 | 42-001-00127 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 760WG | 42-001-00128 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 761 | 42-001-00129 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 770 | 42-001-00095 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 814 | 42-001-00074 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 817G | 42-001-00070 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 819 | 42-001-80354 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 821 | 42-213-00492 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 821A | 42-213-00492 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 822 | 42-213-00493 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 823 | 42-001-00071 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 824W | 42-001-00072 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 827W | 42-213-00497 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 834G | 42-213-00498 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 837WI | 42-213-00502 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 839 | 42-001-00078 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 841 | 42-001-80355 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 842G | 42-001-00084 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 843 | 42-001-00085 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 845 | 42-001-80357 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 846G | 42-001-00089 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 849G | 42-001-00091 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 850 | 42-001-00092 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 851 | 42-001-00093 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 853 | 42-001-00097 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 854 | 42-001-00100 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 855 | 42-001-00115 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 8552 | 42-001-30346 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 856 | 42-001-80363 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 857 | 42-001-00114 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 858 | 42-001-00118 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 859 | 42-001-80365 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 860 | 42-001-00130 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 861 | 42-001-00117 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 862 | 42-001-00132 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 863WI | 42-001-80369 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 864 | 42-001-80371 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 951 | 42-001-00101 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 951WG | 42-001-00101 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 952WG | 42-001-00110 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 954G | 42-001-00111 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 956D | 42-001-00113 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 957WG | 42-001-00112 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 958 | 42-001-00134 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 960 | 42-001-00136 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 962 | 42-001-00138 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 964 | 42-001-00104 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 970 | 42-001-00108 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 972 | 42-001-00105 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |