TEXAS · WELLS · BROOKS COUNTY · API 42-047-31329 · DISTRICT 04
McGill Bros. #504
Brooks County · Kelsey (Frio Consol.) field · Producing · Vertical
Mcgill Bros. #504 (API 42-047-31329) is a well in Brooks County operated by Hilcorp Energy Company, completed October 17, 2010 and listed as producing on the RRC schedule.
The RRC has issued 5 drilling permits between 1984 and 1991, permitted to 7,905 ft.
It was permitted by Exxon Corp. and has since transferred to Hilcorp Energy Company on the wellbore schedule.
Completion filings report 3 formation tops, including Sand, Clay & Shale, Sand & Shale, Shale.
Its 4 leases have reported 110K barrels of oil and 592K mcf of gas since January 1993, last reporting volume in April 2026. The leases carry 48 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Exxon Corp.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Mar 27, 2026
- Permits on file
- 3,458
- Phone
- (713) 209-2400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hilcorp Energy Company |
| Production reports | Overton Park Oil & Gas LPthrough Apr 2026 |
| Latest permit | Exxon Corp.Mar 19, 1991 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,905
- total depth, ft
- 5
- permits on file
- Mar 19, 1991
- last permit issued
- Oct 17, 2010
- completed
- 110K
- cumulative oil, bbl
- 592K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 17, 2010
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 4 leases this well is completed on; they carry 48 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| McGill Bros. O-4-12930 | Kelsey (Frio Consol.) | Overton Park Oil & Gas LP | 46 | 100K | 564K | Jan 2000 – Apr 2026 |
| McGill Bros. O-4-11136 | Kelsey, Deep (Zone 20-A) | Exxon Mobil Corporation | 2 | 10.2K | 27.9K | Jan 1993 – Dec 1998 |
| — G-4-129004 | — | — | 0 | 0 | 0 | — |
| — G-4-135633 | — | — | 0 | 0 | 0 | — |
Gas, mcf lease total
Last 12 months 11,862 · prior 12 21,630(-45%)
Oil, barrels lease total
Last 12 months 5,764 · prior 12 12
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Exxon Corp.Jan 1993 → Dec 1998
- 2Exxon Mobil CorporationJan 2000 → Dec 2007
- 3Overton Park Oil & Gas LPNov 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 385756-99 | Recompletion | Exxon Corp. | Mar 14, 1991 | Mar 19, 1991 | — | 7,905 |
| 370519-99 | Recompletion | Exxon Corp. | Mar 5, 1990 | Mar 7, 1990 | — | 7,905 |
| 349740-99 | Recompletion | Exxon Corp. | Aug 4, 1988 | Aug 8, 1988 | — | 7,905 |
| 304728-99 | Recompletion | Exxon Corp. | Jul 29, 1986 | Jul 30, 1986 | — | 7,905 |
| 229006-99 | Drill | Exxon Corp. | Dec 19, 1983 | Feb 1, 1984 | Feb 18, 1984 | 8,450 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Oct 17, 2010 | McGill Bros. O-4-12930 | Kelsey (Frio Consol.) | Hilcorp Energy Company | Producing | 7,905 |
| May 7, 1991 | McGill Bros. O-4-11136 | Kelsey Deep (Zone 20-A) | Exxon Mobil Corporation | Not on Schedule | — |
| May 16, 1990 | McGill Bros. G-4-135633 | Kelsey Deep (6850) | Exxon Corp. | Not on Schedule | — |
| Sep 27, 1988 | McGill Bros G-4-129004 | Kelsey Deep (Zone 42-H U) | Exxon Corp. | Not on Schedule | — |
| Jun 28, 1984 | McGill Brothers G-4-111731 | Kelsey Deep (Zone 42-H L) | Exxon Corp. | Not on Schedule | — |
| May 10, 1984 | McGill Brothers G-4-111578 | Kelsey Deep (Zone 60-H) | Exxon Corp. | Not on Schedule | — |
Formation tops
As filed on W-2/G-1. Subsea from 250 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Sand, Clay & Shale | 1,892 | -1,642 |
| Sand & Shale | 3,231 | -2,981 |
| Shale | 7,232 | -6,982 |
| Sand & Shale | 7,286 | -7,036 |
| Shale | 7,528 | -7,278 |
| Sand & Shale | 7,688 | -7,438 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,505 | 5,515 | Perforated |
| 5,946 | 5,960 | Perforated |
| 6,852 | 6,858 | Perforated |
| 7,430 | 7,465 | Perforated |
| 7,602 | 7,626 | Perforated |
| 7,703 | 7,721 | Perforated |
| 7,742 | 7,759 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,492 | 12.25 | 660 sx |
| 8.375 | 1,492 | 12.25 | 660 S |
| 5.5 | 7,902 | 7.875 | 1,180 sx |
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 | Oct 27, 2010 | Oct 26, 2010 | — |
| 00 | Jun 2, 2000 | May 31, 1991 | Yes |
| 00 | Aug 7, 1991 | May 31, 1991 | Yes |
| 00 | Jun 17, 1991 | — | — |
| 00 | Nov 27, 1990 | Jun 6, 1990 | Yes |
| 00 | Sep 18, 1990 | — | — |
| 00 | Dec 14, 1988 | Oct 19, 1988 | Yes |
| 00 | Dec 3, 1988 | — | — |
| 00 | Aug 10, 1984 | Jul 19, 1984 | — |
| 00 | Aug 9, 1984 | Jul 19, 1984 | — |
| 00 | Aug 7, 1984 | Jul 17, 1984 | — |
| 00 | Aug 1, 1984 | Jul 17, 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 42-047-31329 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-047-31329 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for 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/04731329, documented in the API reference.