WELL · 42-391-00448 · DISTRICT 2
Maude Williams et al -A- #40
Refugio County · Vertical
Maude Williams ET AL -A- #40 (API 42-391-00448) is a permitted well in Refugio County filed by Hilcorp Energy Company; no completion report is on file yet.
The RRC has issued 5 drilling permits (amended once) between 1984 and 2018, permitted to 5,925 ft.
Completion filings report 6 formation tops, including Lagarto, Oakville, Catahoula, Anahuac.
Its 4 leases have reported 477K barrels of oil and 373K mcf of gas since January 1993, last reporting in July 2026. The leases carry 19 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Y, filed Mar 26, 2026 · 3,453 permits on file · (713) 209-2411
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Hilcorp Energy Companythrough Jun 2024 |
| Latest permit | Hilcorp Energy CompanyOct 2, 2018 |
- 5,925
- total depth, ft
- 6
- permits on file
- Oct 2, 2018
- last permit issued
- —
- completed
- 477K
- cumulative oil, bbl
- 373K
- 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
28.397110, -97.120657
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 19 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Maude Williams et al -A- G-2-286558 | Tom Oconnor (3550) | Hilcorp Energy Company | 1 | 0 | 1.19K | Dec 2018 – Jul 2026 |
| Williams, Maude, et al -A- O-2-2878 | Tom Oconnor (5900 Sand) | Hilcorp Energy Company | 10 | 441K | 369K | Jan 1993 – Jul 2026 |
| Maude Williams et al 'A' O-2-11337 | Tom O'Connor (5350 Sand) | Hilcorp Energy Company | 2 | 35.9K | 2.18K | Mar 2013 – Jul 2026 |
| Williams, Maude, Etal -A- O-2-2633 | Tom Oconnor (4400) | Hilcorp Energy Company | 6 | 0 | 0 | Jan 1993 – Mar 2002 |
Oil, barrels lease total
Last 12 months 0 · prior 12 0
Gas, mcf lease total
Last 12 months 0 · prior 12 3(-100%)
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 → Jun 2023
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 845188-99 | Recompletion | Hilcorp Energy Company | Oct 1, 2018 | Oct 2, 2018 | Nov 27, 2018 | 5,925 |
| 818740-98 | Recompletion | Hilcorp Energy Company | Nov 18, 2016 | Oct 5, 2016 | Dec 20, 2016 | 5,925 |
| 818740-99 | Recompletion | Hilcorp Energy Company | Sep 22, 2016 | Oct 5, 2016 | — | 5,925 |
| 683599-99 | Recompletion | Hilcorp Energy Company | Jul 29, 2009 | Aug 5, 2009 | — | 5,925 |
| 405003-99 | Recompletion | Quintana Pet. Corp. | Oct 21, 1992 | Oct 22, 1992 | Dec 7, 1992 | 5,925 |
| 239245-99 | Recompletion | Quintana Pet. Corp. | May 2, 1984 | May 16, 1984 | — | 5,925 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-286558 | — | — | — | — |
| — | — O-2-2633 | — | — | — | — |
| — | — O-2-2878 | — | — | — | — |
| — | — O-2-11337 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 55 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| LagartoLARGARTO | 1,500 | -1,445 |
| Oakville | 2,750 | -2,695 |
| CatahoulaCATAHOULA (MIOCENE) | 3,300 | -3,245 |
| Catahoula | 3,603 | -3,548 |
| AnahuacANAHUAC (MIOCENE) | 4,100 | -4,045 |
| Frio | 4,361 | -4,306 |
| FrioFRIO-GRETA (OLIGOCENE) | 4,365 | -4,310 |
| FrioMIDDLE FRIO (SINTON) | 5,000 | -4,945 |
| FrioLOWER FRIO (OLIGOCENE) | 5,880 | -5,825 |
| JacksonJACKSON/YEGIA | — | — |
| JacksonJACKSON/YEGUA | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,572 | 3,578 | Perforated |
| 5,340 | 5,346 | Perforated |
| 5,888 | 5,898 | Perforated |
| — | 4,371 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,012 | 12.25 | 350 S |
| 5.5 | 5,924 | 8.75 | 500 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 10, 2019 | Mar 20, 2019 | — |
| 00 | May 31, 2017 | Apr 24, 2017 | — |
| 00 | Mar 1, 1993 | Jan 4, 1993 | Yes |
| 00 | Jan 15, 1993 | — | — |
| 00 | Jan 12, 1984 | Oct 1, 1976 | — |
| 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 42-391-00448 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-00448 → 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-42-391-00455
0.4 KM · Hilcorp Energy Company · Section with this well →
| Surface Sand Clay | 1,500 | -1,445 |
| Lagarto | 2,750 | -2,695 |
| Oakville | 3,300 | -3,245 |
| Catahoula | 3,592 | -3,537 |
| Catahoula | 4,100 | -4,045 |
| Catahoula | 4,100 | -4,045 |
| Anahuac | 4,365 | -4,310 |
| Frio | 4,385 | -4,330 |
12 TOPS · FIRST 8
Williams, Maude, et al -A-42-391-00488
0.5 KM · Quintana Pet. Corp. · Section with this well →
| Lagarto | 1,500 | -1,445 |
| Surface Sand Clay | 1,500 | -1,445 |
| Oakville | 2,750 | -2,695 |
| Catahoula | 3,300 | -3,245 |
| Catahoula | 3,612 | -3,557 |
| Catahoula | 4,100 | -4,045 |
| Anahuac | 4,100 | -4,045 |
| Anahuac | 4,365 | -4,310 |
18 TOPS · FIRST 8
Williams, Maude et al "A"42-391-00470
0.6 KM · Quintana Pet. Corp. · Section with this well →
| Surface Sand & Clay | 1 | 54 |
| Lagarto | 1,500 | -1,445 |
| Lagarto | 1,500 | -1,445 |
| Oakville | 2,750 | -2,695 |
| Catahoula | 3,300 | -3,245 |
| Anahuac | 4,100 | -4,045 |
| Frio | 4,365 | -4,310 |
| Frio | 5,000 | -4,945 |
10 TOPS · FIRST 8
Tom O'CONNOR(5800 Sd)fld Unit42-391-00451
0.7 KM · Hilcorp Energy Company · Section with this well →
| Surface SD Clay | 1,500 | -1,446 |
| Lagarto | 2,750 | -2,696 |
| Oakville | 3,300 | -3,246 |
| Catahoula | 3,604 | -3,550 |
| Anahuac | 4,365 | -4,311 |
| Frio | 4,398 | -4,344 |
| Frio | 4,785 | -4,731 |
| Frio | 5,400 | -5,346 |
11 TOPS · FIRST 8
Tom O'Connor (5800SAND) FLD Unit42-391-00566
0.9 KM · Quintana Pet. Corp. · Section with this well →
| Lagarto | 1,500 | -1,446 |
| Oakville | 2,750 | -2,696 |
| Catahoula | 3,300 | -3,246 |
| Catahoula | 3,577 | -3,523 |
| Anahuac | 4,100 | -4,046 |
| Greta | 4,150 | -4,096 |
| Frio | 4,324 | -4,270 |
| Frio | 4,365 | -4,311 |
15 TOPS · FIRST 8
Maude Williams et al 'A'42-391-00480
0.9 KM · Hilcorp Energy Company · Section with this well →
| Catahoula | 3,639 | -3,585 |
| Frio | 4,423 | -4,369 |
| Jackson | — |
Williams, Maude et al "A"42-391-00420
1.0 KM · Quintana Pet. Corp. · Section with this well →
| Lagarto | 1,500 | -1,446 |
| Oakville | 2,750 | -2,696 |
| Catahoula | 3,300 | -3,246 |
| Catahoula | 3,300 | -3,246 |
| Catahoula | 3,578 | -3,524 |
| Anahuac | 4,100 | -4,046 |
| Anahuac | 4,100 | -4,046 |
| Frio | 4,338 | -4,284 |
14 TOPS · FIRST 8
Mrs. Fannie V. W. Heard42-391-00558
1.0 KM · Quintana Pet. Corp. · Section with this well →
| Lagarto | 1,500 | -1,447 |
| Oakville | 2,750 | -2,697 |
| Catahoula | 3,300 | -3,247 |
| Anahuac | 4,100 | -4,047 |
| Frio | 4,365 | -4,312 |
| Frio | 4,365 | -4,312 |
| Frio | 5,000 | -4,947 |
| Frio | 5,000 | -4,947 |
10 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/39100448, documented in the API reference.