42-235-34462
Final Completion HorizontalUNIVERSITY 40
IRION County · District 7 · SEM OPERATING COMPANY LLC · LIN (WOLFCAMP)
Permits
3
Max Depth
7,200 ft
First Permit
2009-09-29
Latest Activity
2011-01-11
Lifespan
1 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2011-05-08
Shut-In
—
Plugged
—
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
2010-05
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 (6) Elevation 2,638 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| UPER SPRABERRY | 4,161 ft | -1,523 ft |
| UPPER SPRABERRY (Spraberry) | 4,590 ft | -1,952 ft |
| LOWER SPRABERRY (Spraberry) | 4,765 ft | -2,127 ft |
| LOWER SPRABERRY (Spraberry) | 5,150 ft | -2,512 ft |
| WOLFCAMP | 5,721 ft | -3,083 ft |
| WOLFCAMP | 6,012 ft | -3,374 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 (2)
| Interval | Type |
|---|---|
| 6,792–6,806 ft | Perforated |
| 7,263–10,934 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 842 ft | 435 sx |
| 7" | 7,198 ft | 865 sx |
Permit History (3)
Applications (3)
Records & Logs
5 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.
No GPS coordinates yet
Well Details
- Well Number
- 1401H
- Max Depth
- 7,200 ft
- Drill Type
- Horizontal
- County
- IRION
- District
- 7
- Operator
- SEM OPERATING COMPANY LLC
- Completed
- 2011-05-08
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