42-235-36457
PRODUCING HorizontalROCKER B
IRION County · District 7 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA)
Permits
1
Max Depth
8,928 ft
First Permit
2020-04-13
Latest Activity
2020-04-13
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2022-01-21
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 (7) Elevation 2,549 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| GRAYBURG | 1,803 ft | +746 ft |
| SAN ANDRES | 2,075 ft | +474 ft |
| CLEARFORK (Clear Fork) | 3,419 ft | -870 ft |
| SPRABERRY | 4,944 ft | -2,395 ft |
| WOLFCAMP | 6,447 ft | -3,898 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 |
|---|---|
| 7,021–17,072 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 846 ft | 1,000 sx |
| 9.625" | 5,263 ft | 1,305 sx |
| 5.5" | 17,102 ft | 2,230 sx |
Permit History (1)
Applications (1)
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 and the UL library can't be deep-linked — clicking copies the API for you to paste.
Well Details
- Well Number
- 159H
- Max Depth
- 8,928 ft
- Drill Type
- Horizontal
- County
- IRION
- District
- 7
- Operator
- PIONEER NATURAL RES. USA INC.
- Completed
- 2022-01-21
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
- 15,399