42-329-41977
PRODUCING HorizontalRIO SAN MARCOS 36-45 UNIT 1
MIDLAND County · District 8 · DIAMONDBACK E&P LLC · SPRABERRY (TREND AREA)
Permits
2
Max Depth
11,000 ft
First Permit
2017-09-26
Latest Activity
2017-09-26
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2018-09-14
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
2017-09
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 (10) Elevation 2,696 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA | 1,580 ft | +1,116 ft |
| YATES | 2,597 ft | +99 ft |
| SEVEN RIVERS | 2,974 ft | -278 ft |
| QUEEN | 3,742 ft | -1,046 ft |
| GRAYBURG | 4,411 ft | -1,715 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 5,035 ft | -2,339 ft |
| GLORIETA | 5,812 ft | -3,116 ft |
| CLEARFORK (Clear Fork) | 6,849 ft | -4,153 ft |
| SPRABERRY | 7,630 ft | -4,934 ft |
| SPRABERRY UPPER-DEAN (Spraberry) | 9,006 ft | -6,310 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 ↗
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 |
|---|---|
| 9,810–20,026 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,673 ft | 1,465 sx |
| 9.625" | 8,676 ft | 940 sx |
| 5.5" | 20,135 ft | 2,797 sx |
Permit History (2)
Applications (2)
Records & Logs
1 completion filing on record · 1 with log images at RRC.
Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.
Well Details
- Well Number
- 211R
- Max Depth
- 11,000 ft
- Drill Type
- Horizontal
- County
- MIDLAND
- District
- 8
- Operator
- DIAMONDBACK E&P LLC
- Completed
- 2018-09-14
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