WELL · 42-489-00194 · DISTRICT 4
Sauz Ranch Mulatos Pasture #31
Willacy County · Vertical
Sauz Ranch Mulatos Pasture #31 (API 42-489-00194) is a permitted well in Willacy County filed by Flint Oak Energy, LLC; no completion report is on file yet.
The RRC has issued 2 drilling permits between 2004 and 2012, permitted to 7,956 ft.
Completion filings report one formation top, including Miocene (undifferentiated).
Its 2 leases have reported 236K barrels of oil and 166K mcf of gas since January 1993, last reporting in July 2026. The leases carry 4 wells, so these are lease totals, not this well alone.
Operator of record
Montgomery, TX · P-5 Y, filed Jan 4, 2026 · 14 permits on file · (832) 262-9521
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Shoco Production LLCthrough Mar 2026 |
| Latest permit | Flint Oak Energy, LLCAug 16, 2012 |
- 7,956
- total depth, ft
- 2
- permits on file
- Aug 16, 2012
- last permit issued
- —
- completed
- 236K
- cumulative oil, bbl
- 166K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- 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 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Sauz Ranch Mulatos Pasture O-4-3387 | Willamar (Graben North) | Shoco Production LLC | 3 | 236K | 166K | Jan 1993 – Jul 2026 |
| Sauz Ranch Mulatos Pasture G-4-203104 | Wildcat | Flint Oak Energy, LLC | 1 | 0 | 0 | Jul 2004 – Jan 2014 |
Oil, barrels lease total
Last 12 months 1,516 · prior 12 2,727(-44%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Exxon Corp.Jan 1993 → Dec 1995
- 2Parker & Parsley Development L.PJan 1996 → Aug 1997
- 3Pioneer Natural Res. USA, Inc.Sep 1997 → Jun 1999
- 4Prize Operating CompanyJul 1999 → Mar 2002
- 5Gruy Petroleum Management Co.Apr 2002 → Mar 2006
- 6Cimarex Energy Co. of ColoradoMay 2006 → May 2011
- 7Flint Oak Energy, LLCJun 2011 → Jul 2014
- 8Chestnut Explor. and Prod., Inc.Aug 2014 → May 2017
- 9Shoco Production, L.P.Jul 2018 → May 2020
- 10Shoco Production LLCJun 2020 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 746097-99 | Recompletion | Flint Oak Energy, LLC | Aug 8, 2012 | Aug 16, 2012 | — | 7,956 |
| 546872-99 | Recompletion | Gruy Petroleum Management Co. | Jun 14, 2004 | Jun 14, 2004 | Jul 7, 2004 | 7,956 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-203104 | — | — | — | — |
| — | — O-4-3387 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Download CSV →
| Formation | MD ft |
|---|---|
| Miocene (undifferentiated)MIOCENE | 3,450 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,461 | 3,464 | Perforated |
| — | 7,825 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,520 | 12.25 | — |
| 5.5 | 7,944 | 8.625 | — |
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 | Oct 13, 2004 | Aug 13, 2004 | — |
| 00 | Sep 2, 2004 | — | — |
| 00 | Jan 12, 1984 | — | — |
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 42-489-00194 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-489-00194 → 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/48900194, documented in the API reference.