RIO SAN MARCOS 36-45 UNIT 2A
Oil · District 08 · Lease #62127
Operator: ENDEAVOR ENERGY RESOURCES L.P.
Fields: SPRABERRY (TREND AREA)
Cum Oil
1.3M BBL
Cum Gas
3.3M MCF
casinghead
Wells
9
Production
2024-03 — 2026-04
Peak Month
2025-05
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: 1,303,939 BBL Cum Gas: 3,348,373 MCF
RRC production reported through Apr 2026 · recent months incomplete
Decline Curve Analysis
qi
183,939 BBL/mo
Di (annual)
246.5%
b-factor
0.6
EUR
2,115,589 BBL
R-squared
0.991
type
hyperbolic
Operator History (from monthly production reports)
Wells (9)
| WELL# | API | OPERATOR | PERMITS | DEPTH | LAST_ISSUED |
|---|---|---|---|---|---|
| 152 | 42-329-46865 | DIAMONDBACK E&P LLC | 1 | 10,049 | 2024-03-07 |
| 161 | 42-329-46867 | DIAMONDBACK E&P LLC | 1 | 10,049 | 2024-03-07 |
| 251 | 42-329-46866 | DIAMONDBACK E&P LLC | 1 | 10,049 | 2024-03-07 |
| 262 | 42-329-46868 | DIAMONDBACK E&P LLC | 1 | 10,049 | 2024-03-07 |
| 273 | 42-329-46845 | DIAMONDBACK E&P LLC | 1 | 10,049 | 2024-03-01 |
| 172 | 42-329-46844 | DIAMONDBACK E&P LLC | 1 | 10,049 | 2024-02-28 |
| 181 | 42-329-46847 | DIAMONDBACK E&P LLC | 1 | 10,049 | 2024-02-28 |
| 182 | 42-329-46848 | DIAMONDBACK E&P LLC | 1 | 10,049 | 2024-02-28 |
| 274 | 42-329-46846 | DIAMONDBACK E&P LLC | 1 | 10,049 | 2024-02-28 |