PERMITS · ALL ON FILE
JM Calk Operating, LLC permits
Newest first by issue date. A window counts the day each permit first appeared in Railroad Commission daily files, which runs a few days behind. How permits work →
Wellbore
ShowingJM Calk Operating, LLC
7 PERMITS · PAGE 1 OF 1
On the mapSave this search| Permit | Seen | Issued | Operator | County | Lease / well | Depth | API |
|---|---|---|---|---|---|---|---|
| 913507 | Feb 19, 2026 | Feb 19, 2026 | JM Calk Operating, LLC | Bexar | Erd Unit #15 | 1,500 | 02938405 |
| 913506 | Feb 19, 2026 | Feb 19, 2026 | JM Calk Operating, LLC | Bexar | Erd Unit #14 | 1,500 | 02938404 |
| 913484 | Feb 18, 2026 | Feb 18, 2026 | JM Calk Operating, LLC | Bexar | Erd Unit #13 | 1,500 | 02938403 |
| 913198 | Feb 13, 2026 | Feb 13, 2026 | JM Calk Operating, LLC | Bexar | Erd Unit #12 | 1,500 | 02938402 |
| 912107 | Dec 15, 2025 | Dec 15, 2025 | JM Calk Operating, LLC | Bexar | Erd Unit #8 | 1,500 | 02938401 |
| 912106 | Dec 15, 2025 | Dec 15, 2025 | JM Calk Operating, LLC | Bexar | Erd Unit #7 | 1,500 | 02938400 |
| 912105 | Dec 15, 2025 | Dec 15, 2025 | JM Calk Operating, LLC | Bexar | Erd Unit #6 | 1,500 | 02938335 |
About this data
Drilling permits from the RRC OGA049M master and the daily daf420 files, keyed on the day each permit first appeared in those files. Operator names as filed; application types per the RRC code table.
New to these records? how permits work · why the window is on first-seen
Developers: this page as JSON is GET /v1/data/permits/tx, documented in the API reference.