WELL · 42-489-30868 · DISTRICT 4
Sauz Ranch Mulatos Pasture #188
Willacy County · Vertical
Sauz Ranch Mulatos Pasture #188 (API 42-489-30868) is a former disposal or injection well in Willacy County, last operated by Flint Oak Energy, LLC; its UIC permit is no longer active.
The RRC has issued 4 drilling permits between 1985 and 2012, permitted to 9,100 ft.
Its 3 leases have reported 14.2K barrels of oil and 50.7K mcf of gas since January 1993, last reporting in July 2026. The leases carry 6 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 | Chestnut Explor. and Prod., Inc.through May 2017 |
| Latest permit | Flint Oak Energy, LLCMay 18, 2012 |
- 9,100
- total depth, ft
- 4
- permits on file
- May 18, 2012
- last permit issued
- —
- completed
- 14.2K
- cumulative oil, bbl
- 50.7K
- 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 3 leases this well is completed on; they carry 6 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Sauz Ranch Mulatos Pasture O-4-12550 | Willamar, West (Miocene 6700) | Chestnut Explor. and Prod., Inc. | 3 | 14.2K | 14.1K | Mar 1996 – Jul 2026 |
| Sauz Ranch Mulatos Pasture O-4-9675 | Wildcat | Parker & Parsley Development L.P | 2 | 0 | 0 | Jan 1993 – Mar 1997 |
| Sauz Ranch Mulatos Pasture G-4-156726 | Willamar, West (Miocene 6700) | Parker & Parsley Development L.P | 1 | 0 | 36.6K | Jan 1994 – Mar 1996 |
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.
- 1Parker & Parsley Development L.PJan 1996 → Aug 1997
- 2Pioneer Natural Res. USA, Inc.Sep 1997 → Jun 1999
- 3Prize Operating CompanyApr 2000 → Jul 2000
- 4Flint Oak Energy, LLCMar 2013 → May 2014
- 5Chestnut Explor. and Prod., Inc.Aug 2014 → May 2017
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 740354-99 | Recompletion | Flint Oak Energy, LLC | May 9, 2012 | May 18, 2012 | — | 8,100 |
| 443124-99 | Recompletion | Exxon Corp. | Dec 21, 1995 | Dec 21, 1995 | Oct 7, 1993 | 6,776 |
| 416349-99 | Recompletion | Exxon Corp. | Sep 23, 1993 | Sep 23, 1993 | — | 6,776 |
| 277925-99 | Drill | Exxon Corp. | Jun 14, 1985 | Jun 17, 1985 | Jul 3, 1985 | 9,100 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-156726 | — | — | — | — |
| — | — O-4-9675 | — | — | — | — |
| — | — O-4-12550 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,721 | 6,726 | Perforated |
| 7,862 | 7,875 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,612 | 12.25 | 1,275 S |
| 5.5 | 8,098 | 7.875 | 900 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 5, 1996 | Apr 8, 1996 | — |
| 00 | May 7, 1996 | — | — |
| 00 | Mar 5, 1996 | Jan 9, 1996 | Yes |
| 00 | Jan 31, 1996 | — | — |
| 00 | Jan 16, 1986 | Dec 20, 1985 | Yes |
| 00 | Jan 3, 1986 | — | — |
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 42-489-30868 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-489-30868 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 0
- bbl, last 12 reported months
- 0
- bbl, all reported
- Jan 2016
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000107183 | H-1 Injection | Plugged Jun 17, 2022 | 6,000 | 2,500 | 5,050–6,300 |
MONTHLY INJECTED, BBL · H-10 · LAST 12 REPORTED MONTHS
Last 12 months 0
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/48930868, documented in the API reference.