42-383-40418
PRODUCING HorizontalGREER SIKES 42-41 B
REAGAN County · District 7 · DIAMONDBACK E&P LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
9,500 ft
First Permit
2018-10-08
Latest Activity
2018-10-08
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2019-04-20
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
2018-12
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 (8) Elevation 2,760 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SAN ANDRES - SALTWATER FLOW, POS (San Andres) | 3,128 ft | -368 ft |
| CLEARFORK (Clear Fork) | 5,243 ft | -2,483 ft |
| SPRABERRY | 6,130 ft | -3,370 ft |
| ELLENBURGER | — | — |
| FUSSELMAN | — | — |
| GRAYBURG | — | — |
| QUEEN | — | — |
| STRAWN | — | — |
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 |
|---|---|
| 8,804–19,106 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,069 ft | 846 sx |
| 9.625" | 7,126 ft | 905 sx |
| 5.5" | 19,238 ft | 3,101 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
- 9,500 ft
- Drill Type
- Horizontal
- County
- REAGAN
- District
- 7
- Operator
- DIAMONDBACK E&P LLC
- Completed
- 2019-04-20
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