WELL · 42-131-36972 · DISTRICT 4
Humble-Duval Ranch Sec 204 #10
Duval County · Petrox (Government Wells) field · Vertical
Humble-Duval Ranch Sec 204 #10 (API 42-131-36972) is a plugged well in Duval County, plugged December 26, 2013, last operated by Southwest Royalties Inc..
The RRC has issued 3 drilling permits between 1986 and 1989, permitted to 2,900 ft.
It was permitted by Mobil Producing TX. & N.M. Inc. and has since transferred to Southwest Royalties Inc. on the wellbore schedule.
Completion filings report 3 formation tops, including Frio, Hockley, Gov'T Wells.
Its lease has reported 89.2K barrels of oil and 34.3K mcf of gas since January 1993, last reporting in May 2026. The lease carries 4 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Mobil Producing TX. & N.M. Inc.; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jan 6, 2026
- Permits on file
- 497
- Phone
- (432) 685-9038
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Southwest Royalties Inc. |
| Production reports | Southwest Royalties, Inc.through Jun 2006 |
| Latest permit | Mobil Producing TX. & N.M. Inc.Sep 21, 1989 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 2,900
- total depth, ft
- 3
- permits on file
- Sep 21, 1989
- last permit issued
- Jun 19, 1989
- completed
- 89.2K
- cumulative oil, bbl
- 34.3K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH May 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 19, 1989
- Shut in
- —
- Plugged
- Dec 26, 2013
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 lease this well is completed on; they carry 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Humble-Duval Ranch Sec 204 O-4-11211 | Petrox (Government Wells) | Southwest Royalties, Inc. | 4 | 89.2K | 34.3K | Jan 1993 – May 2026 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Southwest Royalties, Inc.Jan 1993 → Jun 2006
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 364226-99 | Recompletion | Mobil Producing TX. & N.M. Inc. | Sep 22, 1989 | Sep 21, 1989 | — | 2,348 |
| 349203-99 | Recompletion | Mobil Producing TX. & N.M. Inc. | Jul 22, 1988 | Jul 22, 1988 | — | 1,000 |
| 324643-99 | Drill | Mobil Producing TX. & N.M. Inc. | Dec 22, 1986 | Dec 31, 1986 | — | 2,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-4-11211 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 441 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| FrioFRIO 900 | 910 | -469 |
| Hockley | 1,885 | -1,444 |
| Gov't Wells | 2,225 | -1,784 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 973 | 983 | Perforated |
| 2,279 | 2,284 | Perforated |
| 2,281 | 2,284 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 578 | 12.25 | 270 S |
| 8.625 | 578 | — | — |
| 8.625 | 611 | 12.25 | 270 S |
| 8.625 | 611 | — | — |
| 5.5 | 2,411 | 7.875 | 300 S |
| 5.5 | 2,411 | — | — |
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 | Jan 4, 1990 | Aug 7, 1989 | Yes |
| 00 | Jun 16, 1989 | Feb 16, 1989 | Yes |
| 00 | Nov 19, 1987 | Nov 3, 1987 | — |
| 00 | Nov 10, 1987 | — | — |
| 00 | Jul 23, 1987 | Jul 10, 1987 | — |
| 00 | Apr 30, 1987 | Apr 21, 1987 | Yes |
| 00 | Apr 24, 1987 | — | — |
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 42-131-36972 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-131-36972 → 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/13136972, documented in the API reference.