42-235-36196
PRODUCING HorizontalMAYER
IRION County · District 7 · SEM OPERATING COMPANY LLC · LIN (WOLFCAMP)
Permits
1
Max Depth
8,000 ft
First Permit
2017-04-26
Latest Activity
2017-04-26
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2017-09-22
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
2011-09
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 2,649 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| GRAYBURG | 1,637 ft | +1,012 ft |
| SAN ANDRES | 2,489 ft | +160 ft |
| CLEARFORK (Clear Fork) | 3,630 ft | -981 ft |
| SPRABERRY | 5,686 ft | -3,037 ft |
| WOLFCAMP | 6,977 ft | -4,328 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 ↗
Perforations (1)
| Interval | Type |
|---|---|
| 7,019–14,984 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 834 ft | 650 sx |
| 5.5" | 15,100 ft | 3,035 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.
No GPS coordinates yet
Well Details
- Well Number
- 4512WC
- Max Depth
- 8,000 ft
- Drill Type
- Horizontal
- County
- IRION
- District
- 7
- Operator
- SEM OPERATING COMPANY LLC
- Completed
- 2017-09-22
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