42-383-39890
PRODUCING HorizontalEAGLEHEAD C A2
REAGAN County · District 7 · SEM OPERATING COMPANY LLC · LIN (WOLFCAMP)
Permits
2
Max Depth
9,200 ft
First Permit
2017-05-30
Latest Activity
2017-05-30
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2018-01-17
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: SEM OPERATING COMPANY LLC ≠ Permit: CALLON PETROLEUM OPERATING CO
Resolved via: production → SEM OPERATING COMPANY LLC
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
2018-01
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 (13)
CSV| Formation | Top Depth (MD) |
|---|---|
| YATES | 2,045 ft |
| SEVEN RIVERS | 2,280 ft |
| QUEEN | 2,920 ft |
| GRAYBURG | 3,360 ft |
| SAN ANDRES - SALTWATER FLOW, POS (San Andres) | 3,545 ft |
| GLORIETTA (Glorieta) | 4,070 ft |
| CLEARFORK (Clear Fork) | 5,645 ft |
| SPRABERRY | 6,480 ft |
| DEAN | 7,875 ft |
| WOLFCAMP | 8,045 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. 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 |
|---|---|
| 9,361–16,615 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 506 ft | 450 sx |
| 9.625" | 8,149 ft | 1,178 sx |
| 5.5" | 16,669 ft | 2,966 sx |
Permit History (2)
Applications (2)
Records & Logs
2 completion filings on record · 2 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
- 12LH
- Max Depth
- 9,200 ft
- Drill Type
- Horizontal
- County
- REAGAN
- District
- 7
- Operator
- SEM OPERATING COMPANY LLC
- Completed
- 2018-01-17
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