← Wells

42-135-41562

Final Completion

MILLIE B

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

Permits

3

Max Depth

10,500 ft

First Permit

2012-02-17

Latest Activity

2018-08-17

Lifespan

6 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2012-08-16

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 2,939 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
UPPER SPRABERRY (Spraberry)6,632 ft-3,693 ft
LOWER SPRABERRY (Spraberry)8,548 ft-5,609 ft
WOLFCAMP 9,171 ft-6,232 ft
STRAWN 11,008 ft-8,069 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
✓ 42-135-42865 LEON (AW) · FDL OPERATING, LLC
0.2 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'
✓ 42-135-41573 MILLIE B · FDL OPERATING, LLC
0.2 mi
Clear Fork 7,602'Dean 8,932'Wolfcamp 9,083'Strawn 11,008'
✓ 42-135-42119 MILLIE B · FDL OPERATING, LLC
0.3 mi
Spraberry 7,321'Abo 8,764'Wolfcamp 9,345'Cisco 9,905'
✓ 42-135-40586 MILLIE B · FDL OPERATING, LLC
0.4 mi
San Andres 5,056'Spraberry 8,415'Wolfcamp 9,078'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'
✓ 42-135-40566 MILLIE A · FDL OPERATING, LLC
0.4 mi
San Andres 5,035'Spraberry 6,313'Wolfcamp 9,076'Strawn 11,008'
✓ 42-135-40626 MILLIE B · FDL OPERATING, LLC
0.4 mi
San Andres 5,096'Spraberry 6,404'Wolfcamp 9,159'Strawn 11,008'
✓ 42-135-40740 MILLIE B · FDL OPERATING, LLC
0.5 mi
Clear Fork 6,210'Spraberry 8,543'Wolfcamp 9,171'

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 (2)

IntervalType
7,952–9,895 ftPerforated
10,008–10,082 ftPerforated

Casing (3)

SizeSet DepthCement
12.75"319 ft140 sx
8.625"4,816 ft1,200 sx
5.5"10,140 ft872 sx

Permit History (3)

#843606 Field Transfer Final Completion

MILLIE B · 10,500 ft

2018-08-17

Spud 2012-05-28

#733382 Drill Final Completion

MILLIE B · 10,500 ft

2012-02-17

Spud 2012-05-25

#733382 Drill

MILLIE B · 10,500 ft

2012-02-17

Spud 2012-05-25

Applications (3)

#843606 A FDL OPERATING, LLC
received 2018-08-15
#733382 A DEVON ENERGY PRODUCTION CO, L.P.
received 2012-11-07
#733382 A DEVON ENERGY PRODUCTION CO, L.P.
received 2012-02-07

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 2012-12-14 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 31.662603
Lon -102.347957

Well Details

Well Number
12
Max Depth
10,500 ft
Drill Type
Vertical
County
ECTOR
District
8
Operator
FDL OPERATING LLC
Completed
2012-08-16

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