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 →

7 PERMITS · PAGE 1 OF 1

On the mapSave this search
PermitSeenIssuedOperatorCountyLease / wellDepthAPI
913507Feb 19, 2026Feb 19, 2026JM Calk Operating, LLCBexarErd Unit #151,50002938405
913506Feb 19, 2026Feb 19, 2026JM Calk Operating, LLCBexarErd Unit #141,50002938404
913484Feb 18, 2026Feb 18, 2026JM Calk Operating, LLCBexarErd Unit #131,50002938403
913198Feb 13, 2026Feb 13, 2026JM Calk Operating, LLCBexarErd Unit #121,50002938402
912107Dec 15, 2025Dec 15, 2025JM Calk Operating, LLCBexarErd Unit #81,50002938401
912106Dec 15, 2025Dec 15, 2025JM Calk Operating, LLCBexarErd Unit #71,50002938400
912105Dec 15, 2025Dec 15, 2025JM Calk Operating, LLCBexarErd Unit #61,50002938335

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.