Fields: MONKSFIELD (350 SAND)
Cum Oil
36k BBL
Cum Gas
138 MCF
casinghead
Wells
90
Production
1993-01 — 2026-03
Peak Month
1996-04
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: 35,621 BBL Cum Gas: 138 MCF
RRC production reported through Apr 2026 · recent months incomplete
Decline Curve Analysis
qi
218 BBL/mo
Di (annual)
9.1%
b-factor
0.0
EUR
28,372 BBL
R-squared
0.663
type
exponential
Operator History (from monthly production reports)
Wells (90)
| WELL# | API | OPERATOR | PERMITS | DEPTH | LAST_ISSUED |
|---|---|---|---|---|---|
| 422 | 42-029-35047 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1984-02-13 |
| 513 | 42-029-35084 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1984-02-13 |
| 515 | 42-029-35050 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1984-02-13 |
| 516 | 42-029-35051 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1984-02-13 |
| 518 | 42-029-35052 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1984-02-13 |
| 519 | 42-029-35053 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1984-02-13 |
| 521 | 42-029-35054 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1984-02-13 |
| 522 | 42-029-35055 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1984-02-13 |
| 524 | 42-029-35056 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1984-02-13 |
| 525 | 42-029-35057 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1984-02-13 |
| 527 | 42-029-35058 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1984-02-13 |
| 528 | 42-029-35059 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1984-02-13 |
| 530 | 42-029-35060 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1984-02-13 |
| 531 | 42-029-35061 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1984-02-13 |
| 533 | 42-029-35062 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1984-02-13 |
| 534 | 42-029-35063 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1984-02-13 |
| 536 | 42-029-35064 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1984-02-13 |
| 537 | 42-029-35065 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1984-02-13 |
| 539 | 42-029-35066 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1984-02-13 |
| 540 | 42-029-35067 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1984-02-13 |
| 542 | 42-029-35074 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1984-02-13 |
| 543 | 42-029-35077 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1984-02-13 |
| 545 | 42-029-35078 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1984-02-13 |
| 546 | 42-029-35079 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1984-02-13 |
| 548 | 42-029-35080 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1984-02-13 |
| 549 | 42-029-35081 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1984-02-13 |
| 551 | 42-029-35082 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1984-02-13 |
| 552 | 42-029-35083 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1984-02-13 |
| 554 | 42-029-35049 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1984-02-13 |
| 555 | 42-029-35048 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1984-02-13 |
| 107 | 42-029-32491 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-20 |
| 109 | 42-029-32501 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-20 |
| 110 | 42-029-32492 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-20 |
| 111 | 42-029-32500 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-20 |
| 112 | 42-029-32499 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-20 |
| 113 | 42-029-32488 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-20 |
| 114 | 42-029-32489 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-20 |
| 115 | 42-029-32505 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-20 |
| 116 | 42-029-32504 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-20 |
| 117 | 42-029-32503 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-20 |
| 118 | 42-029-32502 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-20 |
| 119 | 42-029-32497 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-20 |
| 207 | 42-029-32498 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-20 |
| 210 | 42-029-32496 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-20 |
| 211 | 42-029-32495 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-20 |
| 219 | 42-029-32494 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-20 |
| 220 | 42-029-32507 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-20 |
| 320 | 42-029-32493 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-20 |
| 410 | 42-029-32508 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-20 |
| 414 | 42-029-32509 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-20 |
| 415 | 42-029-32510 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-20 |
| 416 | 42-029-32506 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-20 |
| 419 | 42-029-32490 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-20 |
| 307 | 42-029-32454 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-13 |
| 308 | 42-029-32453 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-13 |
| 309 | 42-029-32452 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-13 |
| 310 | 42-029-32450 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-13 |
| 311 | 42-029-32451 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-13 |
| 312 | 42-029-32449 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-13 |
| 313 | 42-029-32448 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-13 |
| 314 | 42-029-32446 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-13 |
| 315 | 42-029-32447 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-13 |
| 316 | 42-029-32445 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-13 |
| 317 | 42-029-32443 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-13 |
| 318 | 42-029-32444 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-13 |
| 321 | 42-029-32442 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-13 |
| 108 | 42-029-32434 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-12 |
| 120 | 42-029-32421 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-12 |
| 121 | 42-029-32422 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-12 |
| 208 | 42-029-32433 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-12 |
| 209 | 42-029-32432 | CALFAS CATTLE & OIL, LLC | 1 | 800 | 1982-08-12 |
| 212 | 42-029-32435 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-12 |
| 213 | 42-029-32436 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-12 |
| 214 | 42-029-32438 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-12 |
| 215 | 42-029-32439 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-12 |
| 216 | 42-029-32440 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-12 |
| 217 | 42-029-32437 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-12 |
| 218 | 42-029-32430 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-12 |
| 221 | 42-029-32420 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-12 |
| 319 | 42-029-32441 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-12 |
| 407 | 42-029-32423 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-12 |
| 409 | 42-029-32424 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-12 |
| 411 | 42-029-32427 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-12 |
| 412 | 42-029-32426 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-12 |
| 417 | 42-029-32425 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-12 |
| 418 | 42-029-32429 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-12 |
| 420 | 42-029-32428 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-12 |
| 421 | 42-029-32431 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-08-12 |
| 408 | 42-029-32253 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-06-16 |
| 413 | 42-029-32254 | SOUTH SAM OPERATING COMPANY, LLC | 1 | 800 | 1982-06-16 |