Permits
1
Max Depth
1,600 ft
First Permit
2012-09-27
Latest Activity
2012-09-27
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2013-06-21
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: CALK OPERATING LLC ≠ Permit: CALK OIL COMPANY
Resolved via: production → CALK OPERATING, 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 587 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| ESCONDIDO | 934 ft | -347 ft |
| OLMOS | 1,144 ft | -557 ft |
| ANACHACO | 1,625 ft | -1,038 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 |
|---|---|
| 1,144–1,154 ft | Perforated |
Casing (1)
| Size | Set Depth | Cement |
|---|---|---|
| 4.5" | 1,933 ft | 270 sx |
Permit History (1)
Applications (1)
Records & Logs
1 completion filing on record · 1 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
- 15
- Max Depth
- 1,600 ft
- Drill Type
- Vertical
- County
- BEXAR
- District
- 1
- Operator
- CALK OPERATING LLC
- Completed
- 2013-06-21
Operator
- Name
- CALK OPERATING, LLC
- Location
- LYTLE
- P-5 Status
- Active (filed 2026-04-02)
- Cum Oil (all leases)
- 11,830 bbl
- Cum Gas (all leases)
- — mcf
- Activities
- OPRS/O