42-431-10011
SELLERS NELLIE
STERLING County · District 8 · AMPAK OIL COMPANY · TRIPLE M (WOLFCAMP UPPER)
Permits
2
Max Depth
5,200 ft
First Permit
2017-10-31
Latest Activity
2017-10-31
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
—
Shut-In
—
Plugged
—
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
1993-01
Last Production
2026-07
Injection / Disposal
Permitted Volume
2,000 bbl/d
Max Pressure
1,850 psi
Injection Interval
3,700–4,600 ft
Injected (12mo)
40 bbl
Monthly injected volume (bbl, from H-10 filings through 2026-01-01)
Seismicity: 14 earthquakes M2+ within 10 km in the last 24 months (max M2.5) · TexNet catalog
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 2,454 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SEVEN RIVERS | 1,210 ft | +1,244 ft |
| SAN ANDRES | 1,922 ft | +532 ft |
| WICHITA-ALBANY MARKER (Wichita-Albany) | 3,933 ft | -1,479 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 ↗
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 (3)
| Interval | Type |
|---|---|
| 4,500–4,518 ft | Perforated |
| 4,540–4,550 ft | Perforated |
| ?–6,678 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 11" | 1,937 ft | — |
| 8.625" | 1,944 ft | 635 sx |
| 7.875" | 6,852 ft | — |
| 4.5" | 6,860 ft | 250 sx |
Permit History (2)
Applications (2)
Records & Logs
3 completion filings on record.
Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.
Well Details
- Well Number
- 2
- Max Depth
- 5,200 ft
- Drill Type
- Vertical
- County
- STERLING
- District
- 8
- Operator
- AMPAK OIL COMPANY
Operator
- Name
- CATARINA PETRO L. C
- Location
- PLANO
- P-5 Status
- Active (filed 2025-08-06)
- Cum Oil (all leases)
- 821,884 bbl
- Cum Gas (all leases)
- 3,616,282 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 223