42-383-40832
PRODUCING HorizontalEAGLEHEAD B WEST
REAGAN County · District 7 · SEM OPERATING COMPANY LLC · LIN (WOLFCAMP)
Permits
2
Max Depth
10,000 ft
First Permit
2019-12-20
Latest Activity
2019-12-20
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2020-03-27
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
2020-03
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 (9) Elevation 2,641 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| GRAYBURG | 1,500 ft | +1,141 ft |
| QUEEN | 1,900 ft | +741 ft |
| SAN ANDRES - SALTWATER FLOW, POS (San Andres) | 3,610 ft | -969 ft |
| CLEARFORK (Clear Fork) | 5,407 ft | -2,766 ft |
| SPRABERRY | 6,486 ft | -3,845 ft |
| WOLFCAMP | 8,410 ft | -5,769 ft |
| 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).
Perforations (1)
| Interval | Type |
|---|---|
| 8,884–19,238 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 550 ft | 555 sx |
| 9.625" | 7,897 ft | 1,135 sx |
| 5.5" | 19,331 ft | 3,345 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
- 04WB
- Max Depth
- 10,000 ft
- Drill Type
- Horizontal
- County
- REAGAN
- District
- 7
- Operator
- SEM OPERATING COMPANY LLC
- Completed
- 2020-03-27
Operator
- Name
- SEM OPER CO LLC
- Location
- HOUSTON
- P-5 Status
- Active (filed 2025-06-10)
- Cum Oil (all leases)
- 46,291,690 bbl
- Cum Gas (all leases)
- 16,745,020 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 400