42-317-43961
PRODUCING HorizontalATHENA 44-36 UNIT 1
MARTIN County · District 8 · DIAMONDBACK E&P LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
10,535 ft
First Permit
2021-11-18
Latest Activity
2021-11-18
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2022-07-06
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: DIAMONDBACK E&P LLC ≠ Permit: ENDEAVOR ENERGY RESOURCES L.P.
Resolved via: production → DIAMONDBACK E&P LLC
Production Summary Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]
Cum Oil
— bbl
Cum Gas
— mcf
First Production
2022-02
Last Production
2026-07
Operator History
Chain of Custody
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (14) Elevation 2,570 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA | 840 ft | +1,730 ft |
| RUSTLER | 1,378 ft | +1,192 ft |
| YATES | 1,980 ft | +590 ft |
| QUEEN | 2,780 ft | -210 ft |
| GRAYBURG | 3,043 ft | -473 ft |
| SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres) | 3,817 ft | -1,247 ft |
| GLORIETA | 4,386 ft | -1,816 ft |
| CLEARFORK (Clear Fork) | 5,121 ft | -2,551 ft |
| SPRABERRY | 6,774 ft | -4,204 ft |
| JO MILL | 7,573 ft | -5,003 ft |
| DEAN | 8,062 ft | -5,492 ft |
| WOLFCAMP | 8,288 ft | -5,718 ft |
| CISCO | — | — |
| PENNSYLVANIAN | — | — |
As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗
Offset Well Tops (nearest 8 wells with tops)
What nearby completed wells reported.
Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).
Perforations (1)
| Interval | Type |
|---|---|
| 8,874–19,092 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,108 ft | 935 sx |
| 9.625" | 7,971 ft | 790 sx |
| 5.5" | 19,213 ft | 2,190 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record · 2 with log images at RRC.
Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.
Well Details
- Well Number
- 221
- Max Depth
- 10,535 ft
- Drill Type
- Horizontal
- County
- MARTIN
- District
- 8
- Operator
- DIAMONDBACK E&P LLC
- Completed
- 2022-07-06
Operator
- Name
- DIAMONDBACK E&P LLC
- Location
- MIDLAND
- P-5 Status
- X (filed 2026-05-04)
- Cum Oil (all leases)
- 986,290,193 bbl
- Cum Gas (all leases)
- 41,995,553 mcf
- Activities
- GTHS/C, GTHS/O, OPRS/G, OPRS/O
- Total Permits
- 4,969