42-235-35660
PRODUCING HorizontalMAYER
IRION County · District 7 · SEM OPERATING COMPANY LLC · LIN (WOLFCAMP)
Permits
1
Max Depth
6,600 ft
First Permit
2014-02-03
Latest Activity
2014-02-03
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2014-05-30
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
2011-09
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 (7) Elevation 2,620 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| GRAYBURG | 1,737 ft | +883 ft |
| SAN ANDRES | 1,948 ft | +672 ft |
| CLEARFORK (Clear Fork) | 3,000 ft | -380 ft |
| SPRABERRY | 4,755 ft | -2,135 ft |
| WOLFCAMP | 6,238 ft | -3,618 ft |
| CANYON | — | — |
| FUSSELMAN | — | — |
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 |
|---|---|
| 6,825–15,051 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 800 ft | 450 sx |
| 5.5" | 15,133 ft | 3,125 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
- 4513H
- Max Depth
- 6,600 ft
- Drill Type
- Horizontal
- County
- IRION
- District
- 7
- Operator
- SEM OPERATING COMPANY LLC
- Completed
- 2014-05-30
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