42-427-34739

Final Completion

I.V. MONTALVO C

STARR County · District 4 · KILLAM OIL CO. LTD. · SUN NORTH (6340)

Permits

4

Max Depth

7,500 ft

First Permit

2016-12-12

Latest Activity

2024-08-19

Lifespan

8 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2017-02-21

Shut-In

Plugged

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2017-02

Last Production

2026-07

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (14) Elevation 330 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CATAHOULA-ANAHUAC (Catahoula)1,395 ft-1,065 ft
CATAHOULA-ANAHUAC - INJECTION/DI (Catahoula)1,395 ft-1,065 ft
CATAHOULA - FRIO (Catahoula)3,560 ft-3,230 ft
CATAHOULA-FRIO (Catahoula)3,560 ft-3,230 ft
CATAHOULA-FRIO - INJECTION/DISPO (Catahoula)3,560 ft-3,230 ft
VICKSBURG 5,760 ft-5,430 ft
VICKSBURG - INJECTION/DISPOSAL; (Vicksburg)5,760 ft-5,430 ft
COOK MOUNTAIN
JACKSON - INJECTION/DISPOSAL (Jackson)
MIOCENE-LAGARTO-OAKVILLE (Miocene (undifferentiated))
MIOCENE-LAGARTO-OAKVILLE - INJEC (Miocene (undifferentiated))
QUEEN CITY - INJECTION/DISPOSAL (Queen City)
WILCOX
YEGUA

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
42-427-34747 I.V. MONTALVO 'C' · KILLAM OIL CO., LTD.
0.2 mi
Catahoula 1,275'Catahoula 1,275'Catahoula 3,492'Catahoula 3,492'Vicksburg 5,750'Vicksburg 5,750'Queen City Miocene (undifferentiated) Cook Mountain Jackson Wilcox Yegua +1 more
42-427-34742 I.V. MONTALVO 'C' · KILLAM OIL CO., LTD.
0.2 mi
Catahoula 1,300'Catahoula 1,300'Catahoula 3,662'Catahoula 3,662'Vicksburg 5,820'Vicksburg 5,820'Cook Mountain Queen City Jackson Wilcox Yegua Miocene (undifferentiated)
42-427-34737 I.V. MONTALVO 'C' · KILLAM OIL CO., LTD.
0.3 mi
Catahoula 1,380'Catahoula 3,540'Vicksburg 5,679'Cook Mountain Queen City Jackson Wilcox Yegua Miocene (undifferentiated)
42-427-34766 I.V. MONTALVO 'C' · KILLAM OIL CO., LTD.
0.3 mi
Catahoula 1,314'Catahoula 3,521'Vicksburg 5,780'Queen City Jackson Wilcox Yegua Miocene (undifferentiated) Cook Mountain
42-427-34736 I.V. MONTALVO 'C' · KILLAM OIL CO., LTD.
0.4 mi
Catahoula 1,310'Catahoula 1,310'Catahoula 1,310'Catahoula 3,670'Frio 3,670'Catahoula 3,670'Vicksburg 5,680'Vicksburg 5,680'Vicksburg 5,680'Cook Mountain Queen City Miocene (undifferentiated) +4 more
42-427-34767 I.V. MONTALVO 'C' · KILLAM OIL CO., LTD.
0.5 mi
Catahoula 1,270'Catahoula 3,451'Vicksburg 5,865'Jackson Wilcox Queen City Yegua Miocene (undifferentiated) Cook Mountain
42-427-34743 I.V. MONTALVO 'C' · KILLAM OIL CO., LTD.
0.5 mi
Catahoula 1,328'Catahoula 1,328'Catahoula 3,496'Catahoula 3,496'Vicksburg 5,762'Vicksburg 5,762'Jackson Queen City Miocene (undifferentiated) Cook Mountain Wilcox Miocene (undifferentiated) +1 more
42-427-34751 MONTALVO 'B' UNIT · KILLAM OIL CO., LTD.
0.6 mi
Miocene (undifferentiated) 1,400'Catahoula 3,660'Catahoula 5,600'Vicksburg 8,229'Queen City Jackson Cook Mountain Wilcox Yegua

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (5)

IntervalType
4,654–4,657 ftPerforated
5,230–5,236 ftPerforated
5,702–5,704 ftPerforated
5,942–5,948 ftPerforated
6,361–6,364 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"1,193 ft440 sx
4.5"7,088 ft1,115 sx

Records & Logs

6 completion filings on record · 2 with log images at RRC.

W-2/G-1 2024-10-24
W-2/G-1 2022-06-20
W-2/G-1 2019-11-12 log on file
W-2/G-1 2019-10-03
W-2/G-1 2017-09-28
W-2/G-1 2017-03-31 log on file

Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.

Lat 26.699327
Lon -98.480243

Well Details

Well Number
55
Max Depth
7,500 ft
Drill Type
Vertical
County
STARR
District
4
Completed
2017-02-21

Operator

Location
LAREDO
P-5 Status
Active (filed 2026-04-09)
Cum Oil (all leases)
8,614,650 bbl
Cum Gas (all leases)
564,764,653 mcf
Activities
CSGD/P, G/PUR, OPRS/G, OPRS/O
Total Permits
832