42-461-38686
Final CompletionMCELROY RANCH CO. -F-
UPTON County · District 7 · DIAMONDBACK E&P LLC · BLOCK 42 (PENN)
Permits
2
Max Depth
5,500 ft
First Permit
2013-03-18
Latest Activity
2013-03-18
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2016-09-25
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: DIAMONDBACK E&P LLC ≠ Permit: DEVON ENERGY PRODUCTION CO, 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
1993-01
Last Production
2026-07
Injection / Disposal
UPTON County disposal market →Permitted Volume
15,000 bbl/d
Max Pressure
2,175 psi
Injection Interval
4,350–5,410 ft
Injected (12mo)
403,577 bbl
Monthly injected volume (bbl, from H-10 filings through 2025-08-01)
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 (4) Elevation 2,731 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 1,589 ft | +1,142 ft |
| YATES | 2,820 ft | -89 ft |
| GRAYBURG | 4,170 ft | -1,439 ft |
| SAN ANDRES | 4,374 ft | -1,643 ft |
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 ↗
Perforations (1)
| Interval | Type |
|---|---|
| 4,385–5,373 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 480 ft | 740 sx |
| 8.625" | 4,195 ft | 1,305 sx |
| 5.5" | 5,500 ft | 520 sx |
Permit History (2)
Applications (2)
Records & Logs
3 completion filings on record · 1 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.
No GPS coordinates yet
Well Details
- Well Number
- 31D
- Max Depth
- 5,500 ft
- Drill Type
- Vertical
- County
- UPTON
- District
- 7
- Operator
- DIAMONDBACK E&P LLC
- Completed
- 2016-09-25
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