42-329-44144
PRODUCING HorizontalTHE BAR K 30-19
MIDLAND County · District 8 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA)
Permits
2
Max Depth
9,500 ft
First Permit
2020-03-04
Latest Activity
2020-03-04
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2020-12-06
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: PIONEER NATURAL RES. USA INC. ≠ Permit: DE3 OPERATING LLC
Resolved via: production → PIONEER NATURAL RES. USA, INC.
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
2020-07
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 2,667 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA | 1,000 ft | +1,667 ft |
| RUSTLER | 1,593 ft | +1,074 ft |
| YATES | 2,349 ft | +318 ft |
| SEVEN RIVERS | 2,559 ft | +108 ft |
| QUEEN | 3,187 ft | -520 ft |
| GRAYBURG | 3,730 ft | -1,063 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 3,950 ft | -1,283 ft |
| GLORIETA | 4,913 ft | -2,246 ft |
| CLEARFORK (Clear Fork) | 6,256 ft | -3,589 ft |
| SPRABERRY | 7,189 ft | -4,522 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 |
|---|---|
| 13,222–16,585 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,340 ft | 1,125 sx |
| 9.625" | 8,363 ft | 535 sx |
| 5.5" | 16,690 ft | 1,940 sx |
Permit History (2)
Applications (2)
Records & Logs
3 completion filings on record · 2 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
- 4311H
- Max Depth
- 9,500 ft
- Drill Type
- Horizontal
- County
- MIDLAND
- District
- 8
- Operator
- PIONEER NATURAL RES. USA INC.
- Completed
- 2020-12-06
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