TEXAS · WELLS · WEBB COUNTY · MCGRATH LEASE · API 42-479-37717 · DISTRICT 04

McGrath #4

Y

Webb County · Zwebb (10350) field · Producing  · Vertical

Mcgrath #4 (API 42-479-37717) is a well in Webb County operated by Killam Oil CO. Ltd., completed August 10, 2012 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued January 24, 2001, permitted to 10,630 ft.

Completion filings report 2 formation tops, including Queen City, Wilcox.

Its lease has reported 22K barrels of oil and 7.01M mcf of gas since April 2001, last reporting volume in April 2026.

Operator of record

Killam Oil Co. Ltd.

Based in
Laredo, TX
P-5 status
Active (A)
P-5 last filed
Apr 9, 2026
Permits on file
837
Phone
(956) 724-7141

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleKillam Oil Co. Ltd.
Production reportsKillam Oil Co., Ltd.through Apr 2026
Latest permitKillam Oil Co., Ltd.Jan 24, 2001
10,630
total depth, ft
1
permits on file
Jan 24, 2001
last permit issued
Aug 10, 2012
completed
22K
cumulative oil, bbl
7.01M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 2001 THROUGH Apr 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Aug 10, 2012
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 lease this well is completed on; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
McGrath G-4-182944Zwebb (10350)Killam Oil Co., Ltd.122K7.01MApr 2001 – Apr 2026

Gas, mcf lease total

Last 12 months 6,655 · prior 12 63,175(-89%)

05K10K15K202420252026

Chain of custody

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

  1. 1Killam Oil Co., Ltd.Apr 2001 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
504303-99DrillKillam Oil Co., Ltd.Jan 19, 2001Jan 24, 2001Feb 20, 200111,600

Completions

CompletedLeaseFieldOperatorStatusDepth
Aug 10, 2012McGrath G-4-182944Zwebb (10350)Killam Oil Co. Ltd.Producing10,630

Formation tops

As filed on W-2/G-1. Subsea from 671 ft elevation.Download CSV →

FormationMD ftSubsea
Queen City4,465-3,794
WilcoxTOP OF WILCOX7,422-6,751

Perforations

Perforated and open-hole intervals.

FromToType
10,21910,242Perforated
10,43810,468Perforated
10,48010,510Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,04812.25335 S
4.57,618——
78,6308.75195 S
3.510,6006.125268 S
4.5———

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 →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00Jul 25, 2013Sep 27, 2012—
00Sep 11, 2008May 16, 2008—
00Aug 7, 2001Jun 15, 2001Yes
00Jul 3, 2001——

Well logs

The RRC's map lists this well among those with logs online. Its monthly inventories loaded here, which start in July 2006, list none for it, so none are itemized.

Open the RRC's log search for this well ↗

Find logs withinmiles of this well:List →Map →

Search the well logs loaded into Petrora →

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.

The logs loaded for this well are under Well logs, with the RRC's log search 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/47937717, documented in the API reference.