42-235-34958
Final CompletionMAYER
IRION County · District 7 · SEM OPERATING COMPANY LLC · LIN (WOLFCAMP)
Permits
2
Max Depth
11,000 ft
First Permit
2012-01-23
Latest Activity
2012-01-23
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2013-10-08
Shut-In
—
Plugged
2024-07-13
EWA / Permit operator mismatch
Scheduling: SEM OPERATING COMPANY LLC ≠ Permit: EOG RESOURCES, INC.
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
2011-09
Last Production
2026-07
Injection / Disposal
Permitted Volume
10,000 bbl/d
Max Pressure
3,000 psi
Injection Interval
8,800–9,800 ft
Injected (12mo)
—
Monthly injected volume (bbl, from H-10 filings through 2023-12-01)
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 (3) Elevation 2,660 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LOWER SPRABERRY (Spraberry) | 5,356 ft | -2,696 ft |
| DEAN | 6,273 ft | -3,613 ft |
| ELLENBURGER | 8,946 ft | -6,286 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 ↗
Perforations (1)
| Interval | Type |
|---|---|
| 9,136–9,786 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 802 ft | 400 sx |
| 7" | 10,047 ft | 1,015 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.
No GPS coordinates yet
Well Details
- Well Number
- 4901WD
- Max Depth
- 11,000 ft
- Drill Type
- Vertical
- County
- IRION
- District
- 7
- Operator
- SEM OPERATING COMPANY LLC
- Completed
- 2013-10-08
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