42-507-30867
BLALACK ALVAN W. JR. A
ZAVALA County · District 1 · BOBCAT OPERATING · PEARSALL (AUSTIN CHALK)
Permits
1
Max Depth
8,500 ft
First Permit
1977-06-13
Latest Activity
1977-06-13
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1977-08-03
Shut-In
—
Plugged
2019-10-02
EWA / Permit operator mismatch
Scheduling: BOBCAT OPERATING ≠ Permit: LADD PETROLEUM CORP.
Resolved via: scheduling → BOBCAT OPERATING
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
originally filed by LADD PETROLEUM CORP. — asset transferred
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops
No tops on file for this well. Formation tops come from W-2/G-1 completion filings — this well has none yet, which is normal for permits that were never drilled, dry holes plugged without a filing, or wells completed before digital records. Offset-well tops can't be shown either — this well has no surface coordinates on file yet.
Perforations (1)
| Interval | Type |
|---|---|
| 6,149–6,650 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 254 ft | 180 sx |
| — | 3,200 ft | 925 sx |
| 4.5" | 6,880 ft | 500 sx |
Permit History (1)
Applications (1)
Records & Logs
1 completion filing 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.
No GPS coordinates yet
Well Details
- Well Number
- 29-1
- Max Depth
- 8,500 ft
- Drill Type
- Vertical
- County
- ZAVALA
- District
- 1
- Operator
- BOBCAT OPERATING
- Completed
- 1977-08-03
Operator
- Name
- BOBCAT OPERATING
- Location
- STEPHENVILL
- P-5 Status
- Delinquent (filed 1997-05-23)
- Cum Oil (all leases)
- — bbl
- Cum Gas (all leases)
- — mcf
- Activities
- OPRS/G, OPRS/O