Permits
1
Max Depth
1,500 ft
First Permit
2013-04-25
Latest Activity
2013-04-25
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2013-07-01
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: JM CALK OPERATING LLC ≠ Permit: PREMIER MINERALS, INC.
Resolved via: production → JM 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
2013-06
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 (2) Elevation 734 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| OLMOS | 900 ft | -166 ft |
| ANACACHO | 1,280 ft | -546 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 |
|---|---|
| 1,280–1,320 ft | Perforated |
Casing (1)
| Size | Set Depth | Cement |
|---|---|---|
| 4.5" | 1,414 ft | 378 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
- 4
- Max Depth
- 1,500 ft
- Drill Type
- Vertical
- County
- BEXAR
- District
- 1
- Operator
- JM CALK OPERATING LLC
- Completed
- 2013-07-01
Operator
- Name
- JM CALK OPER, LLC
- Location
- LYTLE
- P-5 Status
- Active (filed 2026-02-11)
- Cum Oil (all leases)
- 35,175 bbl
- Cum Gas (all leases)
- — mcf
- Activities
- OPRS/O
- Total Permits
- 7