42-105-41390
PRODUCING HorizontalUNIVERSITY 40-B
CROCKETT County · District 7 · SEM OPERATING COMPANY LLC · LIN (WOLFCAMP)
Permits
1
Max Depth
6,500 ft
First Permit
2012-01-26
Latest Activity
2012-01-26
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2012-09-01
Shut-In
—
Plugged
—
P-5 Org Status: Active
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
2012-06
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 (3) Elevation 2,657 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LOWER SPRABERRY (Spraberry) | 5,090 ft | -2,433 ft |
| DEAN | 5,820 ft | -3,163 ft |
| WOLFCAMP | 5,960 ft | -3,303 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 |
|---|---|
| 6,710–16,745 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 854 ft | 400 sx |
| 5.5" | 16,895 ft | 3,685 sx |
Permit History (1)
Applications (1)
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.
No GPS coordinates yet
Well Details
- Well Number
- 1603H
- Max Depth
- 6,500 ft
- Drill Type
- Horizontal
- County
- CROCKETT
- District
- 7
- Operator
- SEM OPERATING COMPANY LLC
- Completed
- 2012-09-01
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