WELL · 42-427-34779 · DISTRICT 4

N.R. Montalvo #2

Y

Starr County · Sun North (6070) field · Producing  · Vertical

N.R. Montalvo #2 (API 42-427-34779) is a well in Starr County operated by Killam Oil CO. Ltd., completed May 17, 2019 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued November 19, 2018, permitted to 7,000 ft.

Completion filings report 8 formation tops, including Catahoula, Vicksburg, Cook Mountain, Jackson.

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 May 2020
Latest permitKillam Oil Co., Ltd.Nov 19, 2018
7,000
total depth, ft
1
permits on file
Nov 19, 2018
last permit issued
May 17, 2019
completed
0
cumulative oil, bbl
72.6K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 2019 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
May 17, 2019
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

26.692516, -98.499237

OpenStreetMap → ·  Google Maps →

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

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
N.R. Montalvo G-4-286012Sun, North (6070)Killam Oil Co., Ltd.1072.6KJan 2019 – Jul 2026

No volumes reported on these leases in the last three years.

Chain of custody

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

  1. 1Killam Oil Co., Ltd.Jan 2019 → May 2020

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
846916-99DrillKillam Oil Co., Ltd.Nov 16, 2018Nov 19, 2018Dec 19, 20187,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-4-286012————

Formation tops

As filed on W-2/G-1. Subsea from 345 ft elevation.Download CSV →

FormationMD ftSubsea
CatahoulaCATAHOULA-ANAHUAC - INJECTION/DI1,260-915
CatahoulaCATAHOULA-FRIO - INJECTION/DISPO3,418-3,073
VicksburgVICKSBURG - INJECTION/DISPOSAL;5,820-5,475
Cook Mountain——
JacksonJACKSON - INJECTION/DISPOSAL——
Miocene (undifferentiated)MIOCENE-LAGARTO-OAKVILLE - INJEC——
Queen CityQUEEN CITY - INJECTION/DISPOSAL——
Wilcox——
Yegua——

Perforations

Perforated and open-hole intervals.

FromToType
5,9665,972Perforated
5,9976,000Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,07312.25410 S
4.56,5967.875707 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 1, 2019Jun 14, 2019Yes
00Mar 14, 2019Mar 8, 2019Yes

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 →

I.V. Montalvo 'C'42-427-34767

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

Catahoula1,270-934
Catahoula3,451-3,115
Vicksburg5,865-5,529
Miocene (undifferentiated)—
Queen City—
Yegua—
Wilcox—
Cook Mountain—

9 TOPS · FIRST 8

I.V. Montalvo 'A'42-427-34762

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

Catahoula1,220-866
Catahoula3,399-3,045
Vicksburg5,753-5,399
Jackson—
Miocene (undifferentiated)—
Queen City—
Yegua—
Cook Mountain—

9 TOPS · FIRST 8

Montalvo, N. R.42-427-34817

1.5 KM · Triad O&G, LLC · Section with this well →

Miocene (undifferentiated)8353
Catahoula1,212-851
Catahoula3,220-2,859
Vicksburg5,480-5,119
Yegua—
Jackson—
Cook Mountain—
Queen City—

9 TOPS · FIRST 8

I.V. Montalvo 'C'42-427-34747

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

Catahoula1,275-943
Catahoula1,275-943
Catahoula3,492-3,160
Catahoula3,492-3,160
Vicksburg5,750-5,418
Vicksburg5,750-5,418
Miocene (undifferentiated)—
Cook Mountain—

13 TOPS · FIRST 8

I.V. Montalvo 'C'42-427-34737

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

Catahoula1,380-1,050
Catahoula3,540-3,210
Vicksburg5,679-5,349
Cook Mountain—
Miocene (undifferentiated)—
Jackson—
Wilcox—
Yegua—

9 TOPS · FIRST 8

I.V. Montalvo 'C'42-427-34739

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

Catahoula1,395-1,065
Catahoula1,395-1,065
Catahoula3,560-3,230
Catahoula3,560-3,230
Catahoula3,560-3,230
Vicksburg5,760-5,430
Vicksburg5,760-5,430
Yegua—

14 TOPS · FIRST 8

Garza42-427-34784

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

Catahoula1,327-1,008
Catahoula3,290-2,971
Vicksburg6,369-6,050
Wilcox—
Cook Mountain—
Jackson—
Miocene (undifferentiated)—
Queen City—

9 TOPS · FIRST 8

I.V. Montalvo 'C'42-427-34742

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

Catahoula1,300-976
Catahoula1,300-976
Catahoula3,662-3,338
Catahoula3,662-3,338
Vicksburg5,820-5,496
Vicksburg5,820-5,496
Queen City—
Miocene (undifferentiated)—

12 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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