TEXAS · WELLS · REFUGIO COUNTY · API 42-391-00421 · DISTRICT 02
Williams Maude et al A #7
Refugio County · Tom Oconnor (4200) field · Vertical
Williams Maude ET AL A #7 (API 42-391-00421) is a well in Refugio County operated by Hilcorp Energy Company, completed January 5, 2001.
The RRC has issued 7 drilling permits (amended once) between 1979 and 2009, permitted to 5,923 ft.
Completion filings report 6 formation tops, including Lagarto, Oakville, Catahoula, Anahuac.
Its 3 leases have reported 23.1M barrels of oil and 15.9M mcf of gas since January 1993, last reporting volume in April 2026. The leases carry 610 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Mar 27, 2026
- Permits on file
- 3,454
- Phone
- (713) 209-2400
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 CompanyOct 1, 2009 |
- 5,923
- total depth, ft
- 8
- permits on file
- Oct 1, 2009
- last permit issued
- Jan 5, 2001
- completed
- 23.1M
- cumulative oil, bbl
- 15.9M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 5, 2001
- 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 610 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Tom Oconnor (5800 SD) Fld. Unit O-2-5280 | Tom Oconnor (5800) | Hilcorp Energy Company | 594 | 22.8M | 14.9M | Jan 1993 – Apr 2026 |
| Williams, Maude, et al -A- O-2-2906 | Tom Oconnor (5450 Sand) | Hilcorp Energy Company | 15 | 314K | 643K | Jan 1993 – Mar 2026 |
| Williams, Maude et al "A" G-2-181575 | Tom Oconnor (4200) | Hilcorp Energy Company | 1 | 0 | 303K | Jan 2001 – Oct 2008 |
Oil, barrels lease total
Last 12 months 673,239 · prior 12 525,615(+28%)
Gas, mcf lease total
Last 12 months 117,527 · prior 12 84,051(+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 |
|---|---|---|---|---|---|---|
| 685707-98 | Recompletion | Hilcorp Energy Company | Nov 17, 2009 | Oct 1, 2009 | — | 5,923 |
| 685707-99 | Recompletion | Hilcorp Energy Company | Oct 1, 2009 | Oct 1, 2009 | — | 5,923 |
| 503763-99 | Recompletion | Hilcorp Energy Company | Jan 8, 2001 | Jan 10, 2001 | Jan 2, 2001 | 5,923 |
| 469511-99 | Recompletion | Quintana Pet. Corp. | Oct 31, 1997 | Nov 7, 1997 | — | 5,923 |
| 462945-99 | Recompletion | Quintana Pet. Corp. | May 27, 1997 | Jun 4, 1997 | — | 5,923 |
| 408142-99 | Recompletion | Quintana Pet. Corp. | Jan 15, 1993 | Jan 20, 1993 | — | 5,923 |
| 257824-99 | Recompletion | Quintana Pet. Corp. | Nov 12, 1984 | Nov 13, 1984 | — | 5,923 |
| 40181-99 | Recompletion | Quintana Pet. Corp. | Jan 4, 1979 | Jan 4, 1979 | — | 5,923 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jan 5, 2001 | Williams Maude et al A G-2-181575 | Tom Oconnor (4200) | Hilcorp Energy Company | Not on Schedule | — |
| Feb 1, 1993 | Williams Maude et al -A- O-2-2906 | Tom Oconnor (5450 Sand) | Hilcorp Energy Company | Not on Schedule | — |
| Jun 2, 1986 | Tom Oconnor (5800 SD) Fld. Unit O-2-5280 | Tom Oconnor (5800) | Hilcorp Energy Company | Not on Schedule | — |
| Mar 15, 1979 | Tom Oconnor (5800 SD) Fld. Unit O-2-5280 | Tom Oconnor (5800) | Hilcorp Energy Company | Not on Schedule | — |
| — | Williams Maude et al -A- O-2-2878 | Tom Oconnor (5900 Sand) | Hilcorp Energy Company | Not on Schedule | — |
| — | Williams Maude Etal -A- O-2-5016 | Tom Oconnor (5800) | Hilcorp Energy Company | Not on Schedule | — |
| — | Williams Maude Etal -A- O-2-2589 | Tom Oconnor (5500 Sand) | Hilcorp Energy Company | Not on Schedule | — |
| — | Williams Maude Etal -A- O-2-1548 | Tom Oconnor | Hilcorp Energy Company | Not on Schedule | — |
Formation tops
As filed on W-2/G-1. Subsea from 53 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| LagartoLARGARTO | 1,500 | -1,447 |
| LagartoLARGARTO | 2,750 | -2,697 |
| Oakville | 2,750 | -2,697 |
| CatahoulaCATAHOULA (MIOCENE) | 3,300 | -3,247 |
| Oakville | 3,300 | -3,247 |
| AnahuacANAHUAC (MIOCENE) | 4,100 | -4,047 |
| CatahoulaCATAHOULA (MIOCENE) | 4,100 | -4,047 |
| AnahuacANAHUAC (MIOCENE) | 4,365 | -4,312 |
| FrioFRIO-GRETA (OLIGOCENE) | 4,365 | -4,312 |
| FrioFRIO-GRETA | 4,785 | -4,732 |
| FrioMIDDLE FRIO (SINTON) | 5,000 | -4,947 |
| FrioMIDDLE FRIO (SINTON) | 5,400 | -5,347 |
| FrioLOWER FRIO (OLIGOCENE) | 5,880 | -5,827 |
| FrioLOWER FRIO (OLIGOCENE) | 5,923 | -5,870 |
| NO Change | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 1,785 | 1,809 | Perforated |
| 4,146 | 4,157 | Perforated |
| 5,459 | 5,465 | Perforated |
| — | 5,806 | Perforated |
| — | 5,902 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,062 | 16 | 350 S |
| 2.375 | 1,808 | — | — |
| 5 | 5,923 | 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jan 3, 2002 | Jan 18, 2001 | Yes |
| 00 | Apr 4, 2001 | — | — |
| 00 | Dec 11, 1997 | Jun 18, 1997 | Yes |
| 00 | Nov 17, 1997 | — | — |
| 00 | Jun 26, 1986 | Jun 12, 1986 | — |
| 00 | May 25, 1984 | — | — |
| 00 | Jan 12, 1984 | Mar 26, 1979 | — |
| 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 42-391-00421 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-00421 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 2.62K
- bbl, last 12 reported months
- 402K
- bbl, all reported
- Dec 1984
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000001989 | H-1 Injection | Canceled Jun 23, 1986 | 6,000 | 2,250 | 5,800–0 |
MONTHLY INJECTED, BBL · H-10 · LAST 16 REPORTED MONTHS
Last 12 months 2,621 · prior 12 398,891(-99%)
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/39100421, documented in the API reference.