42-461-33479

Final Completion

MCELROY RANCH COMPANY

UPTON County · District 7 · FIREBIRD ENERGY II LLC · CORVETTE (WOLFCAMP)

Permits

Max Depth

11,000 ft

First Permit

1994-03-09

Latest Activity

2010-03-31

Lifespan

16 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1994-04-10

Shut-In

—

Plugged

—

EWA / Permit operator mismatch

Scheduling: FIREBIRD ENERGY II LLC ≠ Permit: CHEVRON U. S. A. INC.

Resolved via: production → FIREBIRD ENERGY II LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1994-04

Last Production

2026-07

Operator History

Chain of Custody

CHEVRON U. S. A. INC. 1994-2025→ FIREBIRD ENERGY II LLC 2025-2026

Lease Production

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

Formation Tops (4) Elevation 2,732 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
MCELROY	4,511 ft	-1,779 ft
CLEARFORK (Clear Fork)	6,562 ft	-3,830 ft
WOLFCAMP	8,182 ft	-5,450 ft
STRAWN	10,256 ft	-7,524 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 ↗

Perforations (7)

Interval	Type
7,900–8,192 ft	Perforated
8,616–8,686 ft	Perforated
8,786–8,968 ft	Perforated
9,217–9,394 ft	Perforated
9,746–9,757 ft	Perforated
9,768–9,776 ft	Perforated
9,781–9,793 ft	Perforated

Casing (4)

Size	Set Depth	Cement
13.75"	510 ft	300 sx
11.75"	510 ft	300 sx
8.625"	4,870 ft	1,225 sx
5.5"	10,300 ft	1,300 sx

Permit History (2)

#693523 Recompletion Final Completion

MCELROY RANCH COMPANY · 10,300 ft

2010-03-31

Spud 2012-05-29

#421703 Drill Final Completion

MCELROY RANCH COMPANY 148 UNIT · 11,000 ft

1994-03-09

Spud 1994-03-10

Applications (2)

#693523 A CHEVRON U. S. A. INC.

received 2010-03-25

#421703 A CHEVRON U. S. A. INC.

received 1994-03-03

Records & Logs

4 completion filings on record · 1 with log images at RRC.

W-2/G-1 2015-09-29

W-2/G-1 1995-04-27

W-2/G-1 1994-04-19 log on file

W-2/G-1 1994-05-02

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 UPTON County.

Well Details

Well Number: 1481
Max Depth: 11,000 ft
Drill Type: Vertical
County: UPTON
District: 7
Operator: FIREBIRD ENERGY II LLC
Completed: 1994-04-10

Operator

Name: FIREBIRD ENGY II LLC
Location: FORT WORTH
P-5 Status: Active (filed 2024-08-12)
Cum Oil (all leases): 23,997,132 bbl
Cum Gas (all leases): 1,871,845 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 249