← Wells

42-135-40501

Final Completion

LEON

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

Permits

2

Max Depth

10,500 ft

First Permit

2010-08-23

Latest Activity

2018-08-14

Lifespan

8 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2016-12-14

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.

Oil
production & DCA →
Oil
production & DCA →

Formation Tops (4) Elevation 2,934 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SAN ANDRES 5,007 ft-2,073 ft
UPPER SPRABERRY (Spraberry)8,549 ft-5,615 ft
WOLFCAMP 9,180 ft-6,246 ft
STRAWN 11,008 ft-8,074 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
✓ 42-135-41585 LEON · FDL OPERATING, LLC
0.3 mi
Spraberry 8,501'Wolfcamp 9,163'WOLCAMP 9,163'Wolfcamp 9,426'Strawn 10,184'
✓ 42-135-42114 LEON · FDL OPERATING, LLC
0.4 mi
San Andres 4,782'Clear Fork 6,077'Clear Fork 6,077'Wolfcamp 9,143'Strawn 11,008'
✓ 42-135-39514 SHERRY · FIREBIRD ENERGY LLC
0.5 mi
San Andres 4,884'Glorieta 5,803'Clear Fork 5,994'Clear Fork 5,994'Spraberry 6,312'Dean 9,049'Wolfcamp 9,116'
✓ 42-135-40560 LEON · FDL OPERATING, LLC
0.5 mi
Clear Fork 7,381'Spraberry 8,519'Wolfcamp 9,227'Strawn 11,008'
✓ 42-135-41377 LEON · FDL OPERATING, LLC
0.6 mi
Clear Fork 7,645'Spraberry 8,514'Wolfcamp 9,182'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'
✓ 42-135-39423 SHERRY · FIREBIRD ENERGY LLC
0.8 mi
Spraberry 7,874'Dean 9,059'Wolfcamp 9,131'Strawn 10,216'
✓ 42-135-40624 MILLIE B · FDL OPERATING, LLC
0.8 mi
San Andres 5,089'San Andres 5,089'Spraberry 6,443'Wolfcamp 9,191'Tubb —Santa Rosa —Clear Fork —Grayburg —Seven Rivers —Yates —Glorieta —Queen — +1 more

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)

IntervalType
8,050–10,029 ftPerforated

Casing (3)

SizeSet DepthCement
12.75"319 ft140 sx
8.625"4,667 ft1,139 sx
5.5"10,260 ft905 sx

Permit History (2)

#843454 Field Transfer Final Completion

LEON · 10,500 ft

2018-08-14

Spud 2010-09-29

#700958 Drill Final Completion

LEON · 10,500 ft

2010-08-23

Spud 2010-09-23

Applications (2)

#843454 A FDL OPERATING, LLC
received 2018-08-13
#700958 A DEVON ENERGY PRODUCTION CO, L.P.
received 2010-08-19

Records & Logs

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

W-2/G-1 2019-05-28
W-2/G-1 2018-11-12
W-2/G-1 2011-09-09 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 31.676332
Lon -102.338492

Well Details

Well Number
9
Max Depth
10,500 ft
Drill Type
Vertical
County
ECTOR
District
8
Operator
FIREBIRD ENERGY LLC
Completed
2016-12-14

Operator

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