42-507-32376
Final Completion HorizontalJONES E. B. -A-
ZAVALA County · District 1 · ORYX ENERGY COMPANY · PEARSALL (AUSTIN CHALK)
Permits
5
Max Depth
10,850 ft
First Permit
1990-09-24
Latest Activity
1994-06-10
Lifespan
4 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1991-04-21
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: ORYX ENERGY COMPANY ≠ Production: FLINT OAK ENERGY, LLC (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: ORYX ENERGY COMPANY ≠ Permit: FLINT OAK ENERGY, LLC
Resolved via: production → FLINT OAK ENERGY, 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 (9) Elevation 624 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| MIDWAY | 2,904 ft | -2,280 ft |
| SAN MIGUEL | 5,309 ft | -4,685 ft |
| SAN MIGUEL | 5,390 ft | -4,766 ft |
| ANACACHO | 5,984 ft | -5,360 ft |
| UPPER AUSTIN CHALK (Austin Chalk) | 6,250 ft | -5,626 ft |
| AUSTIN CHALK | 6,311 ft | -5,687 ft |
| LOWER AUSTIN CHALK (Austin Chalk) | 6,643 ft | -6,019 ft |
| LOWER CHALK | 6,644 ft | -6,020 ft |
| BASE CHALK | 6,869 ft | -6,245 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 (2)
| Interval | Type |
|---|---|
| 5,348–5,420 ft | Perforated |
| 6,255–10,520 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 846 ft | 360 sx |
| 9.875" | 6,255 ft | 1,390 sx |
| 9.625" | 6,255 ft | 1,135 sx |
Permit History (5)
BIG WELLS (SAN MIGUEL)UNIT · 6,000 ft
1994-06-10
Spud 1994-06-14
BIG WELLS (SAN MIGUEL)UNIT · 5,450 ft
1994-06-10
Spud 1994-06-14
JONES, E.B. -A- · 6,250 ft
1994-03-17
Spud 1994-04-02
JONES, E. B. -A- · 10,850 ft
1990-09-24
Spud 1991-03-07
JONES, E. B. -A- · 10,850 ft
1990-09-24
Applications (6)
Records & Logs
7 completion filings on record · 3 with log images at RRC.
+1 more filings
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
- 508
- Max Depth
- 10,850 ft
- Drill Type
- Horizontal
- County
- ZAVALA
- District
- 1
- Operator
- ORYX ENERGY COMPANY
- Completed
- 1991-04-21
Operator
- Location
- DALLAS
- P-5 Status
- Inactive (filed 1998-03-27)
- Cum Oil (all leases)
- 48,027,931 bbl
- Cum Gas (all leases)
- 270,942,656 mcf
- Total Permits
- 1,627