← Wells

42-135-42119

Final Completion

MILLIE B

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

Permits

3

Max Depth

10,500 ft

First Permit

2012-11-30

Latest Activity

2018-08-20

Lifespan

6 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2013-03-11

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

2011-07

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 2,943 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SPRABERRY-WOLFCAMP (Spraberry)7,321 ft-4,378 ft
ABO 8,764 ft-5,821 ft
MIDDLE WOLFCAMP (Wolfcamp)9,345 ft-6,402 ft
CISCO 9,905 ft-6,962 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
✓ 42-135-40740 MILLIE B · FDL OPERATING, LLC
0.2 mi
Clear Fork 6,210'Spraberry 8,543'Wolfcamp 9,171'
✓ 42-135-40626 MILLIE B · FDL OPERATING, LLC
0.2 mi
San Andres 5,096'Spraberry 6,404'Wolfcamp 9,159'Strawn 11,008'
✓ 42-135-40586 MILLIE B · FDL OPERATING, LLC
0.3 mi
San Andres 5,056'Spraberry 8,415'Wolfcamp 9,078'Strawn 11,008'
✓ 42-135-41562 MILLIE B · FDL OPERATING, LLC
0.3 mi
Spraberry 6,632'Spraberry 8,548'Wolfcamp 9,171'Strawn 11,008'
✓ 42-135-41570 MILLIE B · FDL OPERATING, LLC
0.3 mi
Spraberry 6,682'Spraberry 8,489'Wolfcamp 9,105'DARLIN(STRAWN) 9,970'BRADFORD RANCH (ATOKA) 10,090'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'
✓ 42-135-41465 MILLIE B · FDL OPERATING, LLC
0.5 mi
Spraberry 6,346'Spraberry 8,459'Wolfcamp 9,111'Strawn 9,960'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
7,902–9,950 ftPerforated

Casing (3)

SizeSet DepthCement
12.75"302 ft140 sx
8.625"4,896 ft1,135 sx
5.5"10,478 ft910 sx

Permit History (3)

#843661 Field Transfer Final Completion

MILLIE B · 10,500 ft

2018-08-20

Spud 2013-01-02

#750769 Drill

MILLIE B · 10,500 ft

2012-11-30

#750769 Drill Final Completion

MILLIE B · 10,500 ft

2012-11-30

Spud 2013-01-02

Applications (3)

#843661 A FDL OPERATING, LLC
received 2018-08-16
#750769 A DEVON ENERGY PRODUCTION CO, L.P.
received 2012-12-05
#750769 A DEVON ENERGY PRODUCTION CO, L.P.
received 2012-11-01

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 2013-10-09 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 31.658665
Lon -102.346639

Well Details

Well Number
4
Max Depth
10,500 ft
Drill Type
Vertical
County
ECTOR
District
8
Operator
FDL OPERATING LLC
Completed
2013-03-11

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