42-135-40560

Final Completion

LEON

ECTOR County · District 8 · FIREBIRD ENERGY LLC · SALLIE ANN (SPRABERRY-WOLFCAMP)

Permits

Max Depth

10,500 ft

First Permit

2010-09-24

Latest Activity

2018-08-14

Lifespan

8 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2012-01-11

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: FIREBIRD ENERGY LLC ≠ Production: DIAMONDBACK E&P LLC (reported 2026-04)

EWA / Permit operator mismatch

Scheduling: FIREBIRD ENERGY LLC ≠ Permit: FDL OPERATING, LLC

Resolved via: production → DIAMONDBACK E&P LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2011-04

Last Production

2026-07

Operator History

Chain of Custody

DEVON ENERGY PRODUCTION CO, L.P. 2011-2016→ FDL OPERATING, LLC 2016-2019→ FIREBIRD ENERGY LLC 2019-2022→ DIAMONDBACK E&P LLC 2022-2026

Lease Production

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

Formation Tops (4) Elevation 2,937 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
MIDDLE CLEAR FORK (Clear Fork)	7,381 ft	-4,444 ft
SPRABERRY	8,519 ft	-5,582 ft
UPPER WOLFCAMP (Wolfcamp)	9,227 ft	-6,290 ft
STRAWN	11,008 ft	-8,071 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

✓ 42-135-42114 LEON · FDL OPERATING, LLC

0.2 mi

San Andres 4,782'Clear Fork 6,077'Clear Fork 6,077'Wolfcamp 9,143'Strawn 11,008'

✓ 42-135-40624 MILLIE B · FDL OPERATING, LLC

0.3 mi

San Andres 5,089'San Andres 5,089'Spraberry 6,443'Wolfcamp 9,191'Yates —Seven Rivers —Glorieta —Queen —Holt —Tubb —Santa Rosa —Clear Fork — +1 more

✓ 42-135-41377 LEON · FDL OPERATING, LLC

0.3 mi

Clear Fork 7,645'Spraberry 8,514'Wolfcamp 9,182'Strawn 11,008'

✓ 42-135-40501 LEON · FDL OPERATING, LLC

0.5 mi

San Andres 5,007'Spraberry 8,549'Wolfcamp 9,180'Strawn 11,008'

✓ 42-135-41662 MILLIE B · FDL OPERATING, LLC

0.5 mi

Clear Fork 7,659'Dean 9,041'Wolfcamp 9,193'Strawn 10,246'Strawn 11,008'

✓ 42-135-40614 LEON · FDL OPERATING, LLC

0.6 mi

San Andres 5,022'Spraberry 8,511'Wolfcamp 9,170'Strawn 11,008'

✓ 42-135-42865 LEON (AW) · FDL OPERATING, LLC

0.7 mi

Santa Rosa 1,350'Yates 2,000'Queen 3,000'San Andres 3,400'Grayburg 3,550'Seven Rivers 3,970'Glorieta 4,400'Holt 5,000'Clear Fork 5,500'Tubb 6,100'

✓ 42-135-41585 LEON · FDL OPERATING, LLC

0.8 mi

Spraberry 8,501'WOLCAMP 9,163'Wolfcamp 9,163'Wolfcamp 9,426'Strawn 10,184'

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 (1)

Interval	Type
7,941–9,914 ft	Perforated

Casing (3)

Size	Set Depth	Cement
12.75"	319 ft	300 sx
8.625"	4,820 ft	1,216 sx
5.5"	10,175 ft	871 sx

Permit History (2)

#843455 Field Transfer Final Completion

LEON · 10,500 ft

2018-08-14

Spud 2011-09-29

#702582 Drill Final Completion

LEON · 10,500 ft

2010-09-24

Spud 2011-09-23

Applications (2)

#843455 A FDL OPERATING, LLC

received 2018-08-13

#702582 A DEVON ENERGY PRODUCTION CO, L.P.

received 2010-09-22

Records & Logs

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

W-2/G-1 2019-05-28 log on file

W-2/G-1 2012-06-01 log on file

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.

Google Maps → Explorer Map →

Lat 31.668987

Lon -102.336131

Well Details

Well Number: 13
Max Depth: 10,500 ft
Drill Type: Vertical
County: ECTOR
District: 8
Operator: FIREBIRD ENERGY LLC
Completed: 2012-01-11

Operator

Name: FIREBIRD ENGY LLC
Location: FORT WORTH
P-5 Status: Delinquent (filed 2023-04-26)
Cum Oil (all leases): 10,133,635 bbl
Cum Gas (all leases): 424,502 mcf
Total Permits: 152