42-427-34539

LAGO

STARR County · District 4 · RLU OPERATING, LLC

Permits

Max Depth

4,800 ft

First Permit

2011-01-25

Latest Activity

2017-07-07

Lifespan

6 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2011-04

Last Production

2026-07

Operator History

Chain of Custody

RLU OPERATING, LLC 2011-2019→ MORTIMER PRODUCTION COMPANY 2020-2026

Lease Production

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

Oil

production & DCA →

Formation Tops (1) Elevation 364 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
QUEEN CITY	4,462 ft	-4,098 ft

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

✓ 42-427-34804 PLAINS CAPITAL · MORTIMER PRODUCTION COMPANY

0.2 mi

Yegua 820'Cook Mountain 3,360'Queen City 4,235'Catahoula —Wilcox —Queen City —Vicksburg —Catahoula —Jackson —Miocene (undifferentiated) —

✓ 42-427-34793 PLAINS CAPITAL · MORTIMER PRODUCTION COMPANY

0.5 mi

Yegua 795'Cook Mountain 3,308'Queen City 4,170'Vicksburg —Miocene (undifferentiated) —Catahoula —Catahoula —Jackson —Wilcox —Queen City —

✓ 42-427-34803 GUTIERREZ UNIT 3 · MORTIMER PRODUCTION COMPANY

0.8 mi

Yegua 890'Cook Mountain 3,385'Queen City 4,190'Jackson —Wilcox —Miocene (undifferentiated) —Queen City —Vicksburg —Catahoula —Catahoula —

✓ 42-427-34795 GUTIERREZ · MORTIMER PRODUCTION COMPANY

1.0 mi

Yegua 795'Cook Mountain 3,308'Queen City 4,170'Jackson —Wilcox —Miocene (undifferentiated) —Vicksburg —Catahoula —Catahoula —

✓ 42-427-34796 UNA DE GATO · HOWITZER OPERATING, LLC

5.3 mi

Yegua 1,495'Cook Mountain 3,264'Jackson —Wilcox —Catahoula —Queen City —Vicksburg —Miocene (undifferentiated) —Catahoula —

✓ 42-427-34799 ELLIOT · TAM2 SQUARED OPERATING, LLC

5.7 mi

Frio 1,512'Yegua 1,764'Miocene (undifferentiated) —Cook Mountain —Catahoula —Catahoula —Jackson —Wilcox —Queen City —Vicksburg —

✓ 42-505-36610 HAL LOPENO · BLUESTONE NATURAL RES. II, LLC

8.3 mi

Cook Mountain 819'Cook Mountain 834'Queen City 2,154'Queen City 2,174'Miocene (undifferentiated) —Yegua —Wilcox —Jackson —

✓ 42-505-36609 HAL LOPENO · BLUESTONE NATURAL RES. II, LLC

8.4 mi

Cook Mountain 829'Queen City 2,170'Miocene (undifferentiated) —Yegua —Wilcox —Jackson —

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 (3)

Interval	Type
4,462–4,466 ft	Perforated
4,468–4,480 ft	Perforated
4,482–4,484 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	522 ft	270 sx
4.5"	4,810 ft	430 sx

Permit History (2)

#828190 Recompletion

LAGO · 4,800 ft

2017-07-07

#708545 Drill Final Completion

LAGO · 4,800 ft

2011-01-25

Spud 2011-03-25

Applications (2)

#828190 A RLU OPERATING, LLC

received 2017-06-26

#708545 A RLU OPERATING, LLC

received 2011-01-14

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2012-03-08 log on file

Completion packets + logs ↗ Wellbore filings ↗

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.

Google Maps → Explorer Map →

Lat 26.644437

Lon -98.992530

Well Details

Well Number: 1
Max Depth: 4,800 ft
Drill Type: Vertical
County: STARR
District: 4
Operator: RLU OPERATING, LLC

Operator

Name: RLU OPER, LLC
Location: DEVINE
P-5 Status: Active (filed 2025-10-02)
Cum Oil (all leases): 618,675 bbl
Cum Gas (all leases): 4,340,047 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 75