WELL · 42-029-38306 · DISTRICT 1
Nancy #3
Bexar County · Fairfield field · Vertical
Nancy #3 (API 42-029-38306) is a well in Bexar County operated by JM Calk Operating LLC, completed January 4, 2014.
The RRC has issued one drilling permit, issued December 18, 2013, permitted to 1,500 ft.
It was permitted by Premier Minerals, Inc. and has since transferred to JM Calk Operating LLC on the wellbore schedule.
Completion filings report 7 formation tops, including Escondido, Olmos, Anacacho, Austin Chalk.
Its 2 leases have reported 17.5K barrels of oil since September 2013, last reporting in July 2026. The leases carry 11 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Premier Minerals, Inc.; the EWA schedule now lists a different operator.
Lytle, TX · P-5 Y, filed Nov 4, 2025 · 7 permits on file · (210) 617-8101
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | JM Calk Operating LLC |
| Production reports | JM Calk Operating, LLCthrough Apr 2026 |
| Latest permit | Premier Minerals, Inc.Dec 18, 2013 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 1,500
- total depth, ft
- 1
- permits on file
- Dec 18, 2013
- last permit issued
- Jan 4, 2014
- completed
- 17.5K
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2013 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 4, 2014
- Shut in
- —
- Plugged
- —
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 11 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Erd Unit O-1-17671 | Fairfield | JM Calk Operating, LLC | 8 | 12.5K | 0 | Sep 2013 – Jul 2026 |
| Nancy O-1-17672 | Fairfield | JM Calk Operating, LLC | 3 | 4.99K | 0 | Jan 2014 – May 2026 |
Oil, barrels lease total
Last 12 months 1,425 · prior 12 853(+67%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Premier Minerals, Inc.Sep 2013 → Apr 2022
- 2JM Calk Operating, LLCMay 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 775150-99 | Drill | Premier Minerals, Inc. | Dec 5, 2013 | Dec 18, 2013 | Jan 3, 2014 | 1,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-17671 | — | — | — | — |
| — | — O-1-17672 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 690 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 1,199 | 1,241 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 5.5 | 1,339 | 7.875 | 220 S |
Completion filings
W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Dec 2, 2025 | Mar 10, 2014 | Yes |
| 00 | Jul 30, 2014 | Mar 10, 2014 | Yes |
The source documents
Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.
- Wellbore filings for 42-029-38306 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-029-38306 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.
About this data
Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.
New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease
Developers: this page as JSON is GET /v1/data/wells/02938306, documented in the API reference.