TEXAS · WELLS · BROOKS COUNTY · API 42-047-31910 · DISTRICT 04

McGill Bros. #559F

Plugged

Brooks County · Kelsey (Frio Consol.) field · Vertical

Mcgill Bros. #559F (API 42-047-31910) is a plugged well in Brooks County, plugged August 30, 2010, last operated by Exxon Mobil Corporation.

The RRC has issued 3 drilling permits between 2000 and 2006, permitted to 7,500 ft.

Completion filings report 8 formation tops, including M-1, 14-B, M-2, 15-C.

Its 2 leases have reported 102K barrels of oil and 1.08M mcf of gas since January 2000, last reporting volume in August 2026. The leases carry 47 wells, so these are lease totals, not this well alone.

Operator of record

Exxon Mobil Corporation

Based in: Spring, TX
P-5 status: Active (A)
P-5 last filed: Jul 15, 2026
Permits on file: 1,223
Phone: (346) 474-9142

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SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	Exxon Mobil Corporation
Production reports	Hilcorp Energy Companythrough Aug 2026
Latest permit	Exxon Mobil CorporationJun 26, 2006

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

7,500: total depth, ft
3: permits on file
Jun 26, 2006: last permit issued
Aug 8, 2006: completed
102K: cumulative oil, bbl
1.08M: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · JAN 2000 THROUGH AUG 2026

On this page9 formation tops Lease production 2 completions

Regulatory status · RRC wellbore file

Schedule: OFF SCHEDULE
Completed: Aug 8, 2006
Shut in: —
Plugged: Aug 30, 2010

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.

Wells nearby

Withinmiles

Every well with a location on file around this well, in any state, nearest first.

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Texas locations come from drilling permits, so most older Texas wells have none and are not listed.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH AUG 2026

Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 47 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.)	Hilcorp Energy Company	46	102K	565K	Jan 2000 – Aug 2026
McGill Bros. G-4-188353	Kelsey (Frio Consol.)	Exxon Mobil Corporation	1	0	520K	Jan 2001 – Aug 2006

Gas, mcf lease total

Last 12 months 10,622 · prior 12 8,788(+21%)

Oil, barrels lease total

Last 12 months 5,668 · prior 12 1,777(+219%)

Wells named McGill Bros.

Exxon Mobil Corporation's other wells filed under this lease name in Brooks County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.

Loading the lease's wells

Chain of custody

Every operator that reported production on this well's lease, in order.

1Exxon Mobil CorporationJan 2000 → Dec 2007
2Overton Park Oil & Gas LPNov 2022 → Jun 2026
3Hilcorp Energy CompanyJul 2026 → Aug 2026

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
618482-99	Recompletion	Exxon Mobil Corporation	May 1, 2006	Jun 26, 2006	—	5,300
536213-99	Recompletion	Exxon Mobil Corporation	Sep 9, 2003	Sep 19, 2003	—	5,300
501089-99	Drill	Exxon Mobil Corporation	Oct 23, 2000	Oct 23, 2000	Dec 9, 2000	7,500

Completions

Completed	Lease	Field	Operator	Status	Depth
Aug 8, 2006	McGill Bros. G-4-188353	Kelsey (Frio Consol.)	Exxon Mobil Corporation	Plugged	—
Apr 20, 2001	McGill Bros. O-4-12930	Kelsey (Frio Consol.)	Hilcorp Energy Company	Plugged	—

Formation tops

As filed on W-2/G-1. Subsea from 233 ft elevation.Download CSV →

Formation	MD ft	Subsea
M-1	4,798	-4,565
14-B	4,836	-4,603
M-2	4,871	-4,638
15-C	5,084	-4,851
15C	5,084	-4,851
19-K	5,742	-5,509
19K	5,742	-5,509
Zone 22	6,390	-6,157
Zone 22	6,402	-6,169

Perforations

Perforated and open-hole intervals.

From	To	Type
4,871	4,889	Perforated
5,358	5,362	Perforated
5,394	5,405	Perforated
5,525	5,529	Perforated
5,742	5,747	Perforated
5,798	5,810	Perforated
5,850	5,854	Perforated
6,034	6,038	Perforated
6,402	6,406	Perforated
6,568	6,796	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
9.625	1,504	12.25	970 S
2.875	7,173	8.5	600 S
2.875	7,195	8.5	1,050 S
2.875	7,195	—	1,050 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 →

RRC record date	W-2 / G-1 date	Logs referenced
Apr 4, 2007	Oct 3, 2006	—
Aug 22, 2002	Jul 22, 2002	—
Jul 9, 2002	Jul 3, 2001	—
Jun 18, 2002	Apr 30, 2001	Yes
May 6, 2002	—	—
Oct 12, 2001	Jul 6, 2001	Yes
Jul 20, 2001	—	—

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 42-047-31910 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-047-31910 → scanned completion filings

Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.

Find logs withinmiles of this well:List →Map →

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/04731910, documented in the API reference.