42-105-41258
PRODUCING HorizontalUNIVERSITY 40
CROCKETT County · District 7 · SEM OPERATING COMPANY LLC · LIN (WOLFCAMP)
Permits
1
Max Depth
6,600 ft
First Permit
2011-02-24
Latest Activity
2011-02-24
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2011-08-31
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
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 (3) Elevation 2,670 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LOWER SPRABERRY (Spraberry) | 5,130 ft | -2,460 ft |
| DEAN | 5,880 ft | -3,210 ft |
| WOLFCAMP | 6,110 ft | -3,440 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 |
|---|---|
| 6,550–13,900 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 790 ft | 265 sx |
| 5.5" | 13,959 ft | 2,680 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
- 1504H
- Max Depth
- 6,600 ft
- Drill Type
- Horizontal
- County
- CROCKETT
- District
- 7
- Operator
- SEM OPERATING COMPANY LLC
- Completed
- 2011-08-31
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