WELL · 42-391-31779 · DISTRICT 2
Williams Maude Etal -A- #D131
Refugio County · Lake Pasture (H-440 Sand) field · Vertical
Williams Maude Etal -A- #D131 (API 42-391-31779) is a well in Refugio County operated by Hilcorp Energy Company, completed November 19, 1984.
The RRC has issued 4 drilling permits (amended twice) between 1984 and 2017, permitted to 6,100 ft.
Completion filings report 9 formation tops, including Recent (Water Sand), Lagarto, Oakville, Catahoula.
Its 4 leases have reported 11.6M barrels of oil and 180M mcf of gas since January 1993, last reporting in July 2026. The leases carry 194 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Y, filed Mar 26, 2026 · 3,454 permits on file · (713) 209-2411
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hilcorp Energy Company |
| Production reports | Hilcorp Energy Companythrough Apr 2026 |
| Latest permit | Hilcorp Energy CompanyJun 29, 2017 |
- 6,100
- total depth, ft
- 6
- permits on file
- Jun 29, 2017
- last permit issued
- Nov 19, 1984
- completed
- 11.6M
- cumulative oil, bbl
- 180M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 19, 1984
- Shut in
- —
- Plugged
- —
Surface location
28.418233, -97.071231
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Refugio County.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the 4 leases this well is completed on; they carry 194 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Williams, Maude, Etal -A- O-2-820 | Lake Pasture (FS-527) | Hilcorp Energy Company | 15 | 466K | 1.27M | Jan 1993 – Jul 2026 |
| Williams, Maude, Etal -A- O-2-2533 | Lake Pasture (H-440 Sand) | Hilcorp Energy Company | 176 | 11.1M | 179M | Jan 1993 – Jul 2026 |
| Williams, Maude et al "A" O-2-9006 | Lake Pasture (FS-517) | Hilcorp Energy Company | 2 | 4.21K | 7.8K | Nov 2005 – Jul 2026 |
| Williams, Maude et al "A" O-2-8974 | Lake Pasture (FT-570) | Hilcorp Energy Company | 1 | 22.7K | 72.6K | Apr 2005 – Sep 2017 |
Oil, barrels lease total
Last 12 months 222,899 · prior 12 380,299(-41%)
Gas, mcf lease total
Last 12 months 159,101 · prior 12 212,299(-25%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Quintana Pet. Corp.Jan 1993 → Nov 2000
- 2Hilcorp Energy CompanyDec 2000 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 828141-99 | Recompletion | Hilcorp Energy Company | Jun 23, 2017 | Jun 29, 2017 | Jun 5, 2017 | 6,100 |
| 795112-99 | Recompletion | Hilcorp Energy Company | Aug 27, 2014 | Sep 17, 2014 | Jul 25, 2014 | 6,100 |
| 554775-97 | Recompletion | Hilcorp Energy Company | May 20, 2005 | Dec 15, 2004 | Feb 16, 2005 | 6,100 |
| 554775-98 | Recompletion | Hilcorp Energy Company | May 6, 2005 | Dec 15, 2004 | — | 6,100 |
| 554775-99 | Recompletion | Hilcorp Energy Company | Dec 13, 2004 | Dec 15, 2004 | — | 6,100 |
| 250359-99 | Drill | Quintana Pet. Corp. | Aug 22, 1984 | Sep 4, 1984 | Sep 12, 1984 | 6,100 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-2-820 | — | — | — | — |
| — | — O-2-2533 | — | — | — | — |
| — | — O-2-8974 | — | — | — | — |
| — | — O-2-9006 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 55 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,505 | 4,510 | Perforated |
| 5,215 | 5,221 | Perforated |
| 5,296 | 5,303 | Perforated |
| 5,737 | 5,742 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,512 | 13.5 | 770 S |
| 5.5 | 6,111 | 8.75 | 1,130 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 | Sep 26, 2017 | Jul 19, 2017 | — |
| 00 | Jan 13, 2015 | Sep 25, 2014 | — |
| 00 | Sep 30, 2005 | Jun 1, 2005 | — |
| 00 | Jul 14, 2005 | — | — |
| 00 | Nov 30, 1984 | Nov 13, 1984 | — |
| 00 | Nov 28, 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 42-391-31779 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-31779 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Williams, Maude et al "A"42-391-00285
0.2 KM · Quintana Pet. Corp. · Section with this well →
| Lagarto | 2,750 | -2,692 |
| Oakville | 3,300 | -3,242 |
| Catahoula | 3,659 | -3,601 |
| Catahoula | 4,100 | -4,042 |
| Frio | 4,348 | -4,290 |
| Anahuac | 4,365 | -4,307 |
| Anahuac | 4,365 | -4,307 |
| Frio | 4,785 | -4,727 |
14 TOPS · FIRST 8
Williams, Maude Etal -A-42-391-31513
0.5 KM · Quintana Pet. Corp. · Section with this well →
| Catahoula | — | |
| Greta | — | |
| NO Change | — | |
| Miocene (undifferentiated) | — |
T-C Oil Co. - O'Connor42-391-33302
0.6 KM · T-C Oil Company, LLC · Section with this well →
| Miocene (undifferentiated) | 2,460 | -2,406 |
| Catahoula | 3,700 | -3,646 |
| Greta | 4,360 | -4,306 |
| Jackson | — | |
| Lagarto | — | |
| Frio | — |
T-C Oil Co. - O'Connor42-391-33304
0.7 KM · T-C Oil Company, LLC · Section with this well →
| Miocene (undifferentiated) | 2,240 | -2,186 |
| Catahoula | 3,700 | -3,646 |
| Greta | 4,365 | -4,311 |
| Frio | — | |
| Jackson | — |
T-C Oil Co.-O'Connor42-391-31997
0.8 KM · T-C Oil Company, LLC · Section with this well →
| Lagarto | 1 | 58 |
| Eocene | 2,180 | -2,121 |
| Miocene (undifferentiated) | 3,020 | -2,961 |
| Catahoula | 3,670 | -3,611 |
| Greta | 4,350 | -4,291 |
T-C Oil Co. - O'Connor42-391-33307
0.8 KM · T-C Oil Company, LLC · Section with this well →
| Miocene (undifferentiated) | 2,405 | -2,350 |
| Catahoula | 3,700 | -3,645 |
| Greta | 4,370 | -4,315 |
| Frio | — | |
| Jackson | — | |
| Lagarto | — |
T-C Oil Co. - O'Connor42-391-30026
0.8 KM · T-C Oil Company, LLC · Section with this well →
| Miocene (undifferentiated) | 2,240 | -2,182 |
| Catahoula | 3,705 | -3,647 |
| Greta | 4,370 | -4,312 |
| Frio | 5,095 | -5,037 |
Williams, Maude Etal -A-42-391-32039
0.8 KM · Quintana Pet. Corp. · Section with this well →
| Lagarto | 1,500 | -1,445 |
| Oakville | 2,750 | -2,695 |
| Catahoula | 3,300 | -3,245 |
| Catahoula | 3,300 | -3,245 |
| Anahuac | 4,100 | -4,045 |
| Anahuac | 4,100 | -4,045 |
| Frio | 4,362 | -4,307 |
| Frio | 4,365 | -4,310 |
9 TOPS · FIRST 8
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/39131779, documented in the API reference.