WELL · 42-391-00477 · DISTRICT 2
Maude Williams et al 'A' #47
Refugio County · Vertical
Maude Williams ET AL 'A' #47 (API 42-391-00477) is a former disposal or injection well in Refugio County, last operated by Hilcorp Energy Company; its UIC permit is no longer active.
The RRC has issued 2 drilling permits between 2000 and 2017, permitted to 5,925 ft.
Completion filings report 6 formation tops, including Surface Sand Clay, Lagarto, Oakville, Catahoula.
Its 3 leases have reported 1.18M barrels of oil and 1.2M mcf of gas since January 1993, last reporting in July 2026. The leases carry 74 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 Apr 2026 |
| Latest permit | Hilcorp Energy CompanyDec 18, 2017 |
- 5,925
- total depth, ft
- 2
- permits on file
- Dec 18, 2017
- last permit issued
- —
- completed
- 1.18M
- cumulative oil, bbl
- 1.2M
- 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
28.394329, -97.106807
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 3 leases this well is completed on; they carry 74 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Williams, Maude, Etal -A- O-2-1548 | Tom Oconnor | Hilcorp Energy Company | 25 | 160K | 372K | Jan 1993 – Jul 2026 |
| Tom O'Connor (5730 Ft. Sd.) Unit O-2-8569 | Tom O'Connor (5730, East) | Hilcorp Energy Company | 38 | 1.01M | 815K | Oct 2000 – Jul 2026 |
| Williams, Maude et al 'A' O-2-8521 | Tom O'Connor (5730, East) | Quintana Pet. Corp. | 11 | 6.26K | 13.4K | Feb 2000 – Dec 2000 |
Oil, barrels lease total
Last 12 months 13,727 · prior 12 22,176(-38%)
Gas, mcf lease total
Last 12 months 956 · prior 12 1,602(-40%)
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 |
|---|---|---|---|---|---|---|
| 833893-99 | Recompletion | Hilcorp Energy Company | Dec 5, 2017 | Dec 18, 2017 | — | 5,925 |
| 492529-99 | Field transfer | Quintana Pet. Corp. | Feb 28, 2000 | Mar 3, 2000 | Apr 30, 1947 | 5,925 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-2-1548 | — | — | — | — |
| — | — O-2-8521 | — | — | — | — |
| — | — O-2-8569 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 66 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,846 | 5,864 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,030 | 14 | 350 S |
| 5 | 5,910 | 8.75 | 550 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 | Nov 28, 2000 | Mar 16, 2000 | — |
| 00 | May 3, 2000 | Mar 16, 2000 | — |
| 00 | Apr 12, 2000 | — | — |
| 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 42-391-00477 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-00477 → 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.
Maude Williams et al 'A'42-391-00480
0.5 KM · Hilcorp Energy Company · Section with this well →
| Catahoula | 3,639 | -3,585 |
| Frio | 4,423 | -4,369 |
| Jackson | — |
Williams, Maude et al 'C'42-391-32944
0.8 KM · Hilcorp Energy Company · Section with this well →
| Lagarto | 2,750 | -2,694 |
| Oakville | 3,300 | -3,244 |
| Catahoula | 3,693 | -3,637 |
| Catahoula | 4,100 | -4,044 |
| Ananhuac | 4,365 | -4,309 |
| Frio | 4,437 | -4,381 |
| Frio | 4,785 | -4,729 |
| Frio | 5,400 | -5,344 |
10 TOPS · FIRST 8
Williams, Maude et al "C"42-391-32627
0.8 KM · Hilcorp Energy Company · Section with this well →
| Lagarto | 2,750 | -2,699 |
| Oakville | 3,300 | -3,249 |
| Catahola (Miocene) | 4,100 | -4,049 |
| Ananhuac (Miocene) | 4,365 | -4,314 |
| Frio | 4,785 | -4,734 |
| Frio | 5,400 | -5,349 |
| NO Change | — | |
| Frio | — |
Tom O'CONNOR(5800 Sd)fld Unit42-391-00451
0.9 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
Williams, Maude, et al -A-42-391-00488
0.9 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 |
| Anahuac | 4,100 | -4,045 |
| Catahoula | 4,100 | -4,045 |
| Anahuac | 4,365 | -4,310 |
18 TOPS · FIRST 8
Williams, Maude et al 'C'42-391-00501
1.0 KM · Hilcorp Energy Company · Section with this well →
| Catahoula | 3,685 | -3,631 |
| Frio | 4,433 | -4,379 |
| Jackson | — |
Williams, Maude et al -A-42-391-00455
1.1 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"42-391-00448
1.4 KM · Quintana Pet. Corp. · Section with this well →
| Lagarto | 1,500 | -1,445 |
| Oakville | 2,750 | -2,695 |
| Catahoula | 3,300 | -3,245 |
| Catahoula | 3,603 | -3,548 |
| Anahuac | 4,100 | -4,045 |
| Frio | 4,361 | -4,306 |
| Frio | 4,365 | -4,310 |
| Frio | 5,000 | -4,945 |
11 TOPS · FIRST 8
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 0
- bbl, last 12 reported months
- 0
- bbl, all reported
- —
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000116038 | H-1 Injection | Not activated | 10,000 | 2,735 | 5,470–5,530 |
TexNet catalog via USGS
Seismicity near this well
- 0
- M2+ events within 10 km, last 2 years
- —
- largest
A proximity count, not an attribution. How to read it →
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/39100477, documented in the API reference.