42-105-42521
PRODUCING HorizontalUNIVERSITY 40
CROCKETT County · District 7 · SEM OPERATING COMPANY LLC · LIN (WOLFCAMP)
Permits
2
Max Depth
10,000 ft
First Permit
2022-08-05
Latest Activity
2022-08-05
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2023-03-11
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
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 (9) Elevation 2,669 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| QUEEN | 1,232 ft | +1,437 ft |
| SAN ANDRES | 1,879 ft | +790 ft |
| SPRABERRY | 4,585 ft | -1,916 ft |
| WOLFCAMP | 6,035 ft | -3,366 ft |
| CANYON | — | — |
| DEVONIAN | — | — |
| ELLENBURGER | — | — |
| LEONARD | — | — |
| STRAWN | — | — |
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 ↗
Offset Well Tops (nearest 8 wells with tops)
What nearby completed wells reported.
Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).
Perforations (1)
| Interval | Type |
|---|---|
| 7,451–15,400 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 872 ft | 475 sx |
| 5.5" | 15,485 ft | 2,760 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.
Well Details
- Well Number
- 2109WC
- Max Depth
- 10,000 ft
- Drill Type
- Horizontal
- County
- CROCKETT
- District
- 7
- Operator
- SEM OPERATING COMPANY LLC
- Completed
- 2023-03-11
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