WELL · 42-427-34505 · DISTRICT 4

Montalvo I. V. -A- #19

Y

Starr County · Sun (D-4) field · Temp Abandoned  · Vertical

Montalvo I. V. -A- #19 (API 42-427-34505) is a well in Starr County operated by Killam Oil CO. Ltd., completed November 20, 2010 and listed as temp abandoned on the RRC schedule.

The RRC has issued one drilling permit, issued April 6, 2010, permitted to 10,000 ft.

It was permitted by Exaro Energy II, LLC and has since transferred to Killam Oil CO. Ltd. on the wellbore schedule.

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

Operator of record

Killam Oil Co. Ltd.

Permitted by Exaro Energy II, LLC; the EWA schedule now lists a different operator.

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 Dec 2023
Latest permitExaro Energy II, LLCApr 6, 2010

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

10,000
total depth, ft
1
permits on file
Apr 6, 2010
last permit issued
Nov 20, 2010
completed
0
cumulative oil, bbl
128K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Nov 2010 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Nov 20, 2010
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

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
Montalvo, I. V. -A- G-4-258744Sun (D-4)Killam Oil Co., Ltd.10128KNov 2010 – Jul 2026

Gas, mcf lease total

Last 12 months 0 · prior 12 0

0200400600202420252026

Chain of custody

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

  1. 1Exaro Energy II, LLCNov 2010 → Jul 2012
  2. 2Killam Oil Co., Ltd.Aug 2012 → Dec 2023

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
693835-99DrillExaro Energy II, LLCApr 1, 2010Apr 6, 2010May 15, 201010,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-4-258744————

Perforations

Perforated and open-hole intervals.

FromToType
4,5804,836Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,27212.25550 S
76,9208.75295 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
00Feb 7, 2011Jan 10, 2011Yes
00Feb 1, 2011——

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.

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/42734505, documented in the API reference.