42-329-43108
PRODUCING HorizontalLOCKLAR-HILL 26U UNIT
MIDLAND County · District 8 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA)
Permits
2
Max Depth
9,650 ft
First Permit
2019-01-25
Latest Activity
2019-01-25
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2019-11-04
Shut-In
—
Plugged
—
P-5 Org Status: Active
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
2019-10
Last Production
2026-07
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (10) Elevation 2,808 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA | 1,094 ft | +1,714 ft |
| YATES | 2,749 ft | +59 ft |
| SEVEN RIVERS | 3,049 ft | -241 ft |
| QUEEN | 3,795 ft | -987 ft |
| GRAYBURG | 4,354 ft | -1,546 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 4,486 ft | -1,678 ft |
| CLEARFORK (Clear Fork) | 6,913 ft | -4,105 ft |
| SPRABERRY | 7,778 ft | -4,970 ft |
| SPRABERRY UPPER-DEAN (Spraberry) | 9,140 ft | -6,332 ft |
| GLORIETA | — | — |
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 |
|---|---|
| 9,746–19,468 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,611 ft | 1,590 sx |
| 9.625" | 6,212 ft | 1,119 sx |
| 5.5" | 19,515 ft | 1,083 sx |
Permit History (2)
Applications (2)
Records & Logs
2 completion filings 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
- 12H
- Max Depth
- 9,650 ft
- Drill Type
- Horizontal
- County
- MIDLAND
- District
- 8
- Operator
- PIONEER NATURAL RES. USA INC.
- Completed
- 2019-11-04
Operator
- Location
- Y SPRING
- P-5 Status
- Active (filed 2025-08-01)
- Cum Oil (all leases)
- 1,771,882,421 bbl
- Cum Gas (all leases)
- 1,763,727,021 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
- Total Permits
- 15,400