TEXAS · WELLS · DUVAL COUNTY · DUVAL RANCH SEC. 201 LEASE · API 42-131-10528 · DISTRICT 04
Duval Ranch Sec. 201 #57
Duval County · Eagle Hill (Frio 800) field · Vertical
Duval Ranch Sec. 201 #57 (API 42-131-10528) is a plugged well in Duval County, plugged March 3, 2020, last operated by Southwest Royalties Inc..
The RRC has issued one drilling permit, issued October 12, 1977, permitted to 1,493 ft.
It was permitted by Mobil Oil Corporation and has since transferred to Southwest Royalties Inc. on the wellbore schedule.
Operator of record
Permitted by Mobil Oil Corporation; 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 Apr 2017 |
| Latest permit | Mobil Oil CorporationOct 12, 1977 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 1,493
- total depth, ft
- 1
- permits on file
- Oct 12, 1977
- last permit issued
- Nov 2, 1977
- completed
- 0
- cumulative oil, bbl
- 60.2K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Mar 2020
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 2, 1977
- Shut in
- —
- Plugged
- Mar 3, 2020
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Duval Ranch Sec. 201 G-4-73791 | Eagle Hill (Frio 800) | Southwest Royalties, Inc. | 1 | 0 | 60.2K | Jan 1993 – Mar 2020 |
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 → Apr 2017
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 9552-99 | Recompletion | Mobil Oil Corporation | Oct 12, 1977 | Oct 12, 1977 | — | 1,493 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Nov 2, 1977 | Duval Ranch Sec. 201 G-4-73791 | Eagle Hill (Frio 800) | Southwest Royalties Inc. | Plugged | — |
| Apr 17, 1965 | Duval Ranch Sec. #201 O-4-654 | Eagle Hill | Mobil Producing TX. & N.M. Inc. | Plugged | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 790 | 796 | Perforated |
| 809 | 816 | Perforated |
| 1,457 | 1,493 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 463 | — | 260 S |
| 5.5 | 1,447 | — | — |
| 5.5 | 1,457 | 7.875 | 120 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 | Jan 12, 1984 | Nov 14, 1977 | — |
| 00 | Jan 12, 1984 | Apr 29, 1965 | — |
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 42-131-10528 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-131-10528 → 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/13110528, documented in the API reference.