← Wells

42-135-41566

Final Completion

MILLIE A

ECTOR County · District 8 · FDL OPERATING LLC · SALLIE ANN (SPRABERRY-WOLFCAMP)

Permits

2

Max Depth

10,500 ft

First Permit

2012-02-22

Latest Activity

2018-08-15

Lifespan

6 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2012-10-25

Shut-In

—

Plugged

—

!

EWA / Production operator mismatch

Scheduling: FDL OPERATING LLC ≠ Production: DIAMONDBACK E&P LLC (reported 2026-04)

Resolved via: production → DIAMONDBACK E&P LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2011-03

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 2,944 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
MIDDLE CLEAR FORK (Clear Fork)7,272 ft-4,328 ft
LOWER SPRABERRY (Spraberry)8,409 ft-5,465 ft
WOLFCAMP 9,036 ft-6,092 ft
STRAWN 11,008 ft-8,064 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
✓ 42-135-40566 MILLIE A · FDL OPERATING, LLC
0.3 mi
San Andres 5,035'Spraberry 6,313'Wolfcamp 9,076'Strawn 11,008'
✓ 42-135-41760 MILLIE A · FDL OPERATING, LLC
0.3 mi
Clear Fork 7,267'Spraberry 8,414'Wolfcamp 9,049'Strawn 11,008'
✓ 42-135-42837 MILLIE A · FDL OPERATING, LLC
0.3 mi
Yates 3,141'Seven Rivers 3,418'Queen 3,825'Grayburg 4,580'San Andres 4,842'Glorieta 5,848'Clear Fork 6,089'Tubb —CONNELL —Fusselman —Silurian (undifferentiated) —McKee — +5 more
✓ 42-135-40567 MILLIE B · FDL OPERATING, LLC
0.3 mi
Clear Fork 7,560'Wolfcamp 9,054'Wolfcamp 9,296'
✓ 42-135-40563 MILLIE A · FDL OPERATING, LLC
0.3 mi
San Andres 5,026'Spraberry 8,391'Wolfcamp 9,016'Strawn 11,008'
✓ 42-135-41573 MILLIE B · FDL OPERATING, LLC
0.4 mi
Clear Fork 7,602'Dean 8,932'Wolfcamp 9,083'Strawn 11,008'
✓ 42-135-42521 MILLIE B (ALLOC) · FDL OPERATING, LLC
0.4 mi
Abo 8,766'Dean 8,960'Wolfcamp 9,147'Wolfcamp 9,282'
✓ 42-135-41458 MILLIE A · FDL OPERATING, LLC
0.5 mi
Spraberry 8,475'Dean 8,953'Wolfcamp 9,097'Strawn 10,198'Strawn 11,008'

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
7,781–9,956 ftPerforated

Casing (3)

SizeSet DepthCement
12.75"320 ft140 sx
8.625"4,876 ft1,211 sx
5.5"10,300 ft901 sx

Permit History (2)

#843481 Field Transfer Final Completion

MILLIE A · 10,500 ft

2018-08-15

Spud 2012-07-29

#733568 Drill Final Completion

MILLIE A · 10,500 ft

2012-02-22

Spud 2012-07-26

Applications (2)

#843481 A FDL OPERATING, LLC
received 2018-08-13
#733568 A DEVON ENERGY PRODUCTION CO, L.P.
received 2012-02-09

Records & Logs

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

W-2/G-1 2019-04-03 log on file
W-2/G-1 2013-02-13 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 31.664270
Lon -102.357305

Well Details

Well Number
6
Max Depth
10,500 ft
Drill Type
Vertical
County
ECTOR
District
8
Operator
FDL OPERATING LLC
Completed
2012-10-25

Operator

Location
JUDSON
P-5 Status
Inactive (filed 2022-10-06)
Cum Oil (all leases)
24,615,023 bbl
Cum Gas (all leases)
271,359,008 mcf
Total Permits
182