WELL · 42-127-35804 · DISTRICT 1
Hamilton Ranch AB #457H
Dimmit County · Hugh Fitzsimmons (San Miguel) field · Horizontal
Hamilton Ranch AB #457H (API 42-127-35804) is a horizontal well in Dimmit County operated by Grit Oil & Gas Management LLC, completed November 1, 2014.
The RRC has issued one drilling permit, issued October 3, 2013, permitted to 4,000 ft.
It was permitted by Blackbrush O & G, LLC and has since transferred to Grit Oil & Gas Management LLC on the wellbore schedule.
Completion filings report 9 formation tops, including Escondido, Olmos, San Miguel, Austin Chalk.
Its 2 leases have reported 10.9M barrels of oil and 30.6M mcf of gas since August 2013, last reporting in July 2026. The leases carry 82 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Blackbrush O & G, LLC; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jul 31, 2025
- Permits on file
- 374
- Phone
- (832) 910-8920
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Grit Oil & Gas Management LLC |
| Production reports | Jonah Energy LLCthrough Mar 2026 |
| Latest permit | Blackbrush O & G, LLCOct 3, 2013 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,000
- total depth, ft
- 1
- permits on file
- Oct 3, 2013
- last permit issued
- Nov 1, 2014
- completed
- 10.9M
- cumulative oil, bbl
- 30.6M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2013 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 1, 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 82 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Hamilton Ranch O-1-17339 | Hugh Fitzsimmons (San Miguel) | Jonah Energy LLC | 81 | 10.8M | 30.1M | Aug 2013 – Jul 2026 |
| Hamilton Ranch AB O-1-18087 | Hugh Fitzsimmons (San Miguel) | Grit Oil & Gas Management, LLC | 1 | 84K | 576K | Oct 2013 – Aug 2022 |
Oil, barrels lease total
Last 12 months 1,026,104 · prior 12 2,190,281(-53%)
Gas, mcf lease total
Last 12 months 4,654,945 · prior 12 6,885,532(-32%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Blackbrush O & G, LLCNov 2013 → Oct 2017
- 2Endeavor Natural Gas, LPNov 2017 → Jun 2021
- 3Grit Oil & Gas Management, LLCJul 2021 → Feb 2026
- 4Jonah Energy LLCMar 2026 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 770725-99 | Drill | Blackbrush O & G, LLC | Sep 27, 2013 | Oct 3, 2013 | Oct 25, 2014 | 4,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-17339 | — | — | — | — |
| — | — O-1-18087 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 805 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Escondido | 1,140 | -335 |
| Olmos | 2,098 | -1,293 |
| San Miguel | 3,019 | -2,214 |
| Austin Chalk | — | — |
| Eagle Ford | — | — |
| Edwards | — | — |
| Georgetown | — | — |
| Glen Rose | — | — |
| Pearsall | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,727 | 6,427 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.875 | 3,000 | 7 | 765 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 | Jun 15, 2022 | Jan 12, 2015 | — |
| 00 | May 18, 2015 | Jan 12, 2015 | — |
| 00 | Feb 18, 2015 | Aug 26, 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 42-127-35804 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-127-35804 → 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/12735804, documented in the API reference.