WELL · 42-237-39213 · DISTRICT 9
M4 Ranch #1
Jack County · Jack County Regular field · Vertical
M4 Ranch #1 (API 42-237-39213) is a plugged well in Jack County, plugged April 9, 2025, last operated by Bay Rock Operating Company.
The RRC has issued one drilling permit, issued April 28, 2008, permitted to 5,850 ft.
Completion filings report 4 formation tops, including Strawn, Caddo, Marble Falls, Ellenburger.
Operator of record
San Antonio, TX · P-5 Y, filed Dec 4, 2025 · 143 permits on file · (210) 213-8477
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Bay Rock Operating Company |
| Production reports | Bay Rock Operating Companythrough Sep 2024 |
| Latest permit | Bay Rock Operating CompanyApr 28, 2008 |
- 5,850
- total depth, ft
- 1
- permits on file
- Apr 28, 2008
- last permit issued
- Aug 12, 2009
- completed
- 0
- cumulative oil, bbl
- 169K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 2008 THROUGH Oct 2025
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 12, 2009
- Shut in
- —
- Plugged
- Apr 9, 2025
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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| M4 Ranch G-13-254847 | Jack County Regular | Bay Rock Operating Company | 1 | 0 | 169K | Aug 2009 – Oct 2025 |
| M4 Ranch O-13-31135 | Jack County Regular | Bay Rock Operating Company | 1 | 0 | 0 | Nov 2008 – Mar 2010 |
Gas, mcf lease total
Last 12 months 0 · prior 12 1,670(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Bay Rock Operating CompanyJun 2010 → Sep 2024
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 659379-99 | Drill | Bay Rock Operating Company | Apr 10, 2008 | Apr 28, 2008 | Apr 30, 2008 | 5,850 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-13-254847 | — | — | — | — |
| — | — O-13-31135 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 981 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Strawn | 3,658 | -2,677 |
| Caddo | 4,610 | -3,629 |
| Marble Falls | 4,992 | -4,011 |
| Ellenburger | 5,569 | -4,588 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,830 | 4,835 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 468 | 12.25 | 300 S |
| 5.5 | 5,561 | 7.875 | 225 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 | May 10, 2010 | Sep 14, 2009 | — |
| 00 | Mar 5, 2010 | — | — |
| 00 | Jan 24, 2009 | Nov 10, 2008 | Yes |
| 00 | Dec 9, 2008 | — | — |
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 42-237-39213 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-237-39213 → 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/23739213, documented in the API reference.