42-507-32368
Final Completion HorizontalSidetrackTHOMPSON
ZAVALA County · District 1 · INEOS USA OIL & GAS LLC · PEARSALL (AUSTIN CHALK)
Permits
3
Max Depth
10,951 ft
First Permit
1990-09-14
Latest Activity
1996-07-22
Lifespan
6 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1996-09-07
Shut-In
—
Plugged
2017-09-01
EWA / Production operator mismatch
Scheduling: INEOS USA OIL & GAS LLC ≠ Production: LMP PETROLEUM, INC. (reported 2009-11)
EWA / Permit operator mismatch
Scheduling: INEOS USA OIL & GAS LLC ≠ Permit: BERENERGY CORPORATION
Resolved via: scheduling → INEOS USA OIL & GAS 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
1993-01
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 631 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| ANACACHO | 6,080 ft | -5,449 ft |
| AUSTIN (Austin Chalk) | 6,372 ft | -5,741 ft |
| AUSTIN CHALK | 6,384 ft | -5,753 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 (2)
| Interval | Type |
|---|---|
| 6,372–9,426 ft | Open hole |
| 6,384–10,762 ft | Open hole |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 734 ft | 460 sx |
| 7.625" | 6,071 ft | 171 sx |
| 7.625" | 6,071 ft | 776 sx |
Permit History (3)
Applications (3)
Records & Logs
3 completion filings on record · 2 with log images at RRC.
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.
No GPS coordinates yet
Well Details
- Well Number
- 520H
- Max Depth
- 10,951 ft
- Drill Type
- Horizontal, Sidetrack
- County
- ZAVALA
- District
- 1
- Operator
- INEOS USA OIL & GAS LLC
- Completed
- 1996-09-07
Operator
- Location
- DENVER
- P-5 Status
- X (filed 2026-05-26)
- Cum Oil (all leases)
- 38,411,227 bbl
- Cum Gas (all leases)
- 123,424,939 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 87