TEXAS · WELLS · DUVAL COUNTY · RUIZ STATE LEASE · API 42-131-38231 · DISTRICT 04
Ruiz State #1
Duval County · Rich Hurt (Wx. 4TH Hinnant) field · Vertical
Ruiz State #1 (API 42-131-38231) is a plugged well in Duval County, plugged September 10, 2019, last operated by Killam Oil CO. Ltd..
The RRC has issued one drilling permit, issued February 5, 1998, permitted to 15,500 ft.
It was permitted by Mobil Producing TX. & N.M. Inc. and has since transferred to Killam Oil CO. Ltd. on the wellbore schedule.
Completion filings report 5 formation tops, including Frio, Jackson, Yegua, Queen City.
Operator of record
Permitted by Mobil Producing TX. & N.M. Inc.; the EWA schedule now lists a different operator.
- Based in
- Laredo, TX
- P-5 status
- Active (A)
- P-5 last filed
- Apr 9, 2026
- Permits on file
- 837
- Phone
- (956) 724-7141
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Killam Oil Co. Ltd. |
| Production reports | Killam Oil Co., Ltd.through Jun 2018 |
| Latest permit | Mobil Producing TX. & N.M. Inc.Feb 5, 1998 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 15,500
- total depth, ft
- 1
- permits on file
- Feb 5, 1998
- last permit issued
- May 19, 1998
- completed
- 0
- cumulative oil, bbl
- 6.35M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 1998 THROUGH Apr 2020
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 19, 1998
- Shut in
- —
- Plugged
- Sep 10, 2019
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 |
|---|---|---|---|---|---|---|
| Ruiz State G-4-168924 | Rich Hurt (Wx. 4TH Hinnant) | Killam Oil Co., Ltd. | 1 | 0 | 6.35M | Apr 1998 – Apr 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.
- 1Mobil Producing TX. & N.M. Inc.Apr 1998 → Aug 1999
- 2Huber, J. M., CorporationSep 1999 → Jun 2003
- 3Killam Oil Co., Ltd.Jul 2003 → Jun 2018
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 472987-99 | Drill | Mobil Producing TX. & N.M. Inc. | Feb 5, 1998 | Feb 5, 1998 | Mar 1, 1998 | 15,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| May 19, 1998 | Ruiz State G-4-168924 | Rich Hurt (Wx. 4TH Hinnant) | Killam Oil Co. Ltd. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 685 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Frio | 1,771 | -1,086 |
| Jackson | 2,480 | -1,795 |
| Yegua | 3,350 | -2,665 |
| Queen City | 5,797 | -5,112 |
| Wilcox | 7,887 | -7,202 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,702 | 8,728 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 20 | 80 | — | — |
| 13.375 | 1,614 | 17.5 | 1,265 S |
| 9.625 | 8,500 | 12.25 | 1,073 S |
| 4.5 | 10,579 | 8.5 | 580 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 | Aug 3, 1998 | Jun 9, 1998 | — |
| 00 | Jul 31, 1998 | May 5, 1998 | Yes |
| 00 | Jul 24, 1998 | — | — |
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 42-131-38231 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-131-38231 → 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/13138231, documented in the API reference.