WELL · 42-131-39660 · DISTRICT 4

Duval County Ranch 578 #1

N

Duval County · Rich Hurt (Wx. Guerra) field  · Vertical

Duval County Ranch 578 #1 (API 42-131-39660) is a well in Duval County operated by Killam Oil CO. Ltd., completed February 9, 2022.

The RRC has issued 2 drilling permits between 2021 and 2022, permitted to 11,000 ft.

Completion filings report 8 formation tops, including Jackson, Yegua, Queen City, Wilcox.

No lease production has been reported under this well’s leases.

Operator of record

Killam Oil Co. Ltd.

Laredo, TX · P-5 Y, filed Feb 4, 2026 · 837 permits on file · (956) 724-7141

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleKillam Oil Co. Ltd.
Production reportsKillam Oil Co., Ltd.through Feb 2025
Latest permitKillam Oil Co., Ltd.Aug 1, 2022
11,000
total depth, ft
2
permits on file
Aug 1, 2022
last permit issued
Feb 9, 2022
completed
0
cumulative oil, bbl
485K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Feb 2022 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Feb 9, 2022
Shut in
—
Plugged
—

Surface location

27.782108, -98.682992

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Duval County.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Duval County Ranch 578 G-4-293547Rich Hurt (Wx. Luling)Killam Oil Co., Ltd.10450KJul 2022 – Jul 2026
Duval County Ranch 578 G-4-293146Rich Hurt (Wx. Guerra)Killam Oil Co., Ltd.1035.1KFeb 2022 – Mar 2023

Gas, mcf lease total

Last 12 months 0 · prior 12 45,746(-100%)

010K20K30K202420252026

Chain of custody

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

  1. 1Killam Oil Co., Ltd.Apr 2022 → Feb 2025

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
882594-99RecompletionKillam Oil Co., Ltd.Jul 29, 2022Aug 1, 2022Jun 23, 20229,030
874765-99DrillKillam Oil Co., Ltd.Nov 23, 2021Dec 1, 2021Jan 3, 202211,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-4-293146————
—— G-4-293547————

Formation tops

As filed on W-2/G-1. Subsea from 584 ft elevation.Download CSV →

FormationMD ftSubsea
JacksonJACKSON - INJECTION/DISPOSAL; H21,530-946
YeguaYEGUA - INJECTION/DISPOSAL2,997-2,413
Queen CityQUEEN CITY - INJECTION/DISPOSAL5,605-5,021
Wilcox8,238-7,654
CatahoulaCATAHOULA-FRIO - INJECTION/DISPO——
Miocene (undifferentiated)MIOCENE-LAGARTO-OAKVILLE - INJEC——
Palangana Salt - Injection/Dispo——
Vicksburg——

Perforations

Perforated and open-hole intervals.

FromToType
8,6598,668Perforated
10,00910,014Perforated
10,01910,025Perforated
10,09410,098Perforated
10,10410,121Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.7574614.75410 S
7.6257,4859.875615 S
4.510,4936.75405 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Jul 7, 2023May 10, 2023Yes
00Dec 13, 2022Sep 19, 2022—
00Dec 12, 2022Sep 2, 2022—
00Sep 23, 2022Jun 30, 2022Yes

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.

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.

Open the cross-section →

Duval County Ranch 57842-131-39668

0.0 KM · Killam Oil Co., Ltd. · Section with this well →

Jackson1,526-942
Queen City—
Palangana Salt - Injection/Dispo—
Catahoula—
Miocene (undifferentiated)—
Yegua—
Wilcox—
Vicksburg—

DCR 57942-131-39684

2.3 KM · Killam Oil Co., Ltd. · Section with this well →

Jackson1,433-914
Miocene (undifferentiated)—
Catahoula—
Yegua—
Wilcox—
Vicksburg—
Queen City—
Palangana Salt - Injection/Dispo—

Killam Mineral Fee Sec. 189 'D'42-131-39671

4.5 KM · Killam Oil Co., Ltd. · Section with this well →

Jackson1,368-839
Queen City—
Yegua—
Wilcox—
Vicksburg—
Palangana Salt - Injection/Dispo—
Miocene (undifferentiated)—
Catahoula—

Killam Mineral Fee Sec. 189 'D'42-131-39658

4.8 KM · Killam Oil Co., Ltd. · Section with this well →

Jackson1,361-835
Wilcox—
Catahoula—
Miocene (undifferentiated)—
Palangana Salt - Injection/Dispo—
Queen City—
Vicksburg—
Yegua—

Duval County Ranch Co. State 'V'42-131-39624

5.1 KM · Killam Oil Co., Ltd. · Section with this well →

Jackson1,455-821
Wilcox—
Vicksburg—
Queen City—
Palangana Salt - Injection/Dispo—
Miocene (undifferentiated)—
Catahoula—
Yegua—

DCR 5142-131-39688

5.1 KM · Killam Oil Co., Ltd. · Section with this well →

Jackson1,400-820
Wilcox—
Yegua—
Catahoula—
Miocene (undifferentiated)—
Palangana Salt - Injection/Dispo—
Queen City—
Vicksburg—

P. E. White 'B'42-131-39525

6.6 KM · Killam Oil Co., Ltd. · Section with this well →

Jackson1,310-726
Yegua2,463-1,879
Catahoula—
Wilcox—
Vicksburg—
Queen City—
Palangana Salt - Injection/Dispo—
Miocene (undifferentiated)—

White, P. E. -B-42-131-39523

6.9 KM · Killam Oil Co., Ltd. · Section with this well →

Jackson1,280-686
Jackson1,280-686
Yegua2,470-1,876
Yegua2,470-1,876
Miocene (undifferentiated)—
Catahoula—
Wilcox—
Vicksburg—

11 TOPS · FIRST 8

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

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