42-461-42261
Unperfed Completion HorizontalBROOK B-2C
UPTON County · District 9 · PIONEER NATURAL RES. USA, INC.
Permits
2
Max Depth
10,342 ft
First Permit
2022-09-29
Latest Activity
2025-05-23
Lifespan
3 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
—
Shut-In
—
Plugged
—
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
2025-09
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 2,752 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 1,369 ft | +1,383 ft |
| YATES | 2,343 ft | +409 ft |
| GRAYBURG | 3,903 ft | -1,151 ft |
| SAN ANDRES - SALTWATER FLOW (San Andres) | 4,136 ft | -1,384 ft |
| SPRABERRY | 6,979 ft | -4,227 ft |
| WOLFCAMP | 8,536 ft | -5,784 ft |
| DEVONIAN | — | — |
| ELLENBURGER | — | — |
| FUSSELMAN | — | — |
| 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).
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,206 ft | 1,400 sx |
| 9.625" | 5,495 ft | 1,932 sx |
| 5.5" | 19,356 ft | 931 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 and the UL library can't be deep-linked — clicking copies the API for you to paste.
Well Details
- Well Number
- 203H
- Max Depth
- 10,342 ft
- Drill Type
- Horizontal
- County
- UPTON
- District
- 9
- Operator
- PIONEER NATURAL RES. USA, INC.
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