42-235-36712
PRODUCING HorizontalROCKER B
IRION County · District 9 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA)
Permits
1
Max Depth
9,053 ft
First Permit
2025-08-27
Latest Activity
2025-08-27
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2026-03-09
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
1997-04
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 2,627 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| GRAYBURG | 1,950 ft | +677 ft |
| GRAYBURG | 1,951 ft | +676 ft |
| SAN ANDRES | 2,063 ft | +564 ft |
| CLEARFORK (Clear Fork) | 3,617 ft | -990 ft |
| SPRABERRY | 4,992 ft | -2,365 ft |
| WOLFCAMP | 6,481 ft | -3,854 ft |
| CANYON | — | — |
| FUSSELMAN | — | — |
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 |
|---|---|
| 7,208–23,079 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 862 ft | 1,365 sx |
| 9.625" | 5,441 ft | 2,005 sx |
| 5.5" | 23,109 ft | 1,755 sx |
Permit History (1)
Applications (1)
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 and the UL library can't be deep-linked — clicking copies the API for you to paste.
Well Details
- Well Number
- 191H
- Max Depth
- 9,053 ft
- Drill Type
- Horizontal
- County
- IRION
- District
- 9
- Operator
- PIONEER NATURAL RES. USA INC.
- Completed
- 2026-03-09
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
- 15,468