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Well 49, I.V. MONTALVO 'C', Starr County, Texas

API 42734736 — recorded on 5 leases.

Well API 42734736 is recorded on the I.V. MONTALVO 'C' lease in Starr County, Texas, operated by KILLAM OIL CO., LTD.. The state files a total depth of 6,842 ft, a last completion filed Oct 1 2025 and 5 drilling permits. The state holds no plugging record for it.

No plugging record filedOn the RRC proration scheduleSave
Total depth
6,842 ft
Last completion
Oct 1 2025
as filed
Leases
5
Records
5
wellbore filings

Leases

LeaseWell no.OperatorFieldSchedule
I.V. MONTALVO 'C'49KILLAM OIL CO., LTD.SUN, NORTH (6340)On
I.V. MONTALVO 'C'49KILLAM OIL CO., LTD.SUN, NORTH (5810)On
I.V. MONTALVO 'C'49KILLAM OIL CO., LTD.SUN, NORTH (5400)On
I.V. MONTALVO 'C'49KILLAM OIL CO., LTD.SUN, NORTH (F-4 5300)Off
I.V. MONTALVO 'C'49KILLAM OIL CO., LTD.SUN, NORTH (VICKSBURG 5980)On

The hole

Total depth
6,842 ft
Casing strings
18
Deepest casing
6,553 ft
Survey
SAIS, J J
Abstract
347
Block / section
not filed
Plugging records
not filed
Bottom hole location
26.70549, -98.48194
26.70549, -98.48194 · NAD83, as filed

Drilling permits

From the Railroad Commission's drilling permit master — the application record, not a record of drilling. A permit is an application the Commission filed and numbered; the spud date is the only field here that says a hole was started. This file carries no approval status, so none is shown.

Permits
5
6 records, 1 revisions
First issued
Jun 8 2016
to Oct 20 2025
With a spud date
4
last Mar 5 2021
Deepest permitted
7,000 ft
as applied for
PermitIssuedTypeLeaseDepthSpud
911186Oct 20 2025RecompletionI.V. MONTALVO 'C'no. 495,435 ftJul 24 2016
868987Apr 13 2021RecompletionI.V. MONTALVO 'C'no. 495,620 ftMar 5 2021
854227Jun 17 2019RecompletionI.V. MONTALVO 'C'no. 495,860 ftApr 30 2019
837803Mar 26 2018RecompletionI.V. MONTALVO 'C'no. 496,335 ftnot filed
8161352 recordsJun 8 2016DrillI.V. MONTALVO 'C'no. 497,000 ftJul 24 2016

What the lease produced

Texas reports oil and gas by lease, never by wellbore, so this is the whole lease. Values are volume multiplied by the published monthly price, the same arithmetic the lease page shows in full.