42-135-35719

Final Completion

SHOE BAR RANCH -A-

ECTOR County · District 8 · EXTEX OPERATING COMPANY · KING LAKE ( WADDELL)

Permits

Max Depth

11,500 ft

First Permit

1987-12-03

Latest Activity

1989-04-03

Lifespan

1 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1989-10-11

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: EXTEX OPERATING COMPANY ≠ Production: LEGACY RESERVES OPERATING LP (reported 2018-04)

EWA / Permit operator mismatch

Scheduling: EXTEX OPERATING COMPANY ≠ Permit: MARALO, INC.

Resolved via: scheduling → EXTEX OPERATING COMPANY

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

MARALO, INC. 1993-1998→ MARALO, LLC 1999-2004→ COG OPERATING LLC 2004-2010→ LEGACY RESERVES OPERATING LP 2011-2018

Lease Production

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

Formation Tops (8) Elevation 2,998 ft

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
WOODFORD	8,340 ft	-5,342 ft
DEVONIAN	8,585 ft	-5,587 ft
MONTOYA	9,743 ft	-6,745 ft
WADDELL	10,588 ft	-7,590 ft
ELLENBURGER	10,830 ft	-7,832 ft
JOINS	10,830 ft	-7,832 ft
ELLENBURGER	10,880 ft	-7,882 ft
SAME AS ORIGINALLY REPORTED	—	—

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 ↗

Perforations (5)

Interval	Type
10,644–10,660 ft	Perforated
10,644–10,669 ft	Perforated
10,890–10,966 ft	Perforated
10,890–11,082 ft	Perforated
?–10,660 ft	Perforated

Casing (3)

Size	Set Depth	Cement
13.375"	300 ft	260 sx
8.625"	3,718 ft	500 sx
5.5"	11,114 ft	2,450 sx

Permit History (2)

#357601 Other Final Completion

SHOE BAR RANCH "A" · 11,114 ft

1989-04-03

#339569 Drill Final Completion

SHOE BAR RANCH "A" #1 · 11,500 ft

1987-12-03

Applications (2)

#357601 A MARALO, INC.

received 1989-03-31

#339569 A VADO ENERGY, INC.

received 1987-12-02

Records & Logs

9 completion filings on record · 3 with log images at RRC.

W-2/G-1 2001-10-02

W-2/G-1 1989-11-16

W-2/G-1 1989-10-25

W-2/G-1 1989-10-25 log on file

W-2/G-1 1989-11-16

W-2/G-1 1989-05-17 log on file

+3 more filings

Completion packets + logs ↗ Wellbore filings ↗

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

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in ECTOR County.

Well Details

Well Number: 1
Max Depth: 11,500 ft
Drill Type: Vertical
County: ECTOR
District: 8
Operator: EXTEX OPERATING COMPANY
Completed: 1989-10-11

Operator

Name: EXTEX OPER CO
Location: HOUSTON
P-5 Status: Active (filed 2026-01-07)
Cum Oil (all leases): 5,887,486 bbl
Cum Gas (all leases): 10,031,045 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 117