42-507-33252
PRODUCING HorizontalJOHN HOLDSWORTH UNIT ZAV
ZAVALA County · District 1 · FORMENTERA OPERATIONS LLC · PEARSALL (BUDA S.)
Permits
2
Max Depth
8,000 ft
First Permit
2015-08-18
Latest Activity
2015-08-18
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2015-11-02
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: FORMENTERA OPERATIONS LLC ≠ Permit: EXCO OPERATING COMPANY, LP
Resolved via: production → FORMENTERA OPERATIONS 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
2015-09
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 (6) Elevation 619 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| ESCONDIDO - DISPOSAL (Escondido) | 2,626 ft | -2,007 ft |
| OLMOS | 3,709 ft | -3,090 ft |
| ANACACHO | 5,010 ft | -4,391 ft |
| AUSTIN CHALK | 5,536 ft | -4,917 ft |
| EAGLE FORD | 6,024 ft | -5,405 ft |
| BUDA | 6,489 ft | -5,870 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 (1)
| Interval | Type |
|---|---|
| 6,726–17,088 ft | Open hole |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 2,998 ft | 1,355 sx |
| 10.75" | 3,998 ft | 1,355 sx |
| 7.625" | 6,725 ft | 740 sx |
Permit History (2)
Applications (2)
Records & Logs
2 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
- 1HB
- Max Depth
- 8,000 ft
- Drill Type
- Horizontal
- County
- ZAVALA
- District
- 1
- Operator
- FORMENTERA OPERATIONS LLC
- Completed
- 2015-11-02
Operator
- Location
- AUSTIN
- P-5 Status
- X (filed 2026-06-11)
- Cum Oil (all leases)
- 7,170,117 bbl
- Cum Gas (all leases)
- 53,235,974 mcf
- Activities
- CSGD/P, G/PUR, OPRS/G, OPRS/O
- Total Permits
- 71