42-135-40624

Final Completion

MILLIE B

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

Permits

2

Max Depth

10,500 ft

First Permit

2010-11-03

Latest Activity

2018-08-15

Lifespan

8 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2017-08-11

Shut-In

Plugged

!

EWA / Production operator mismatch

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

Resolved via: productionDIAMONDBACK E&P LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2011-07

Last Production

2026-07

Lease Production

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

Formation Tops (13) Elevation 2,935 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SAN ANDRES 5,089 ft-2,154 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)5,089 ft-2,154 ft
UPPER SPRABERRY (Spraberry)6,443 ft-3,508 ft
WOLFCAMP 9,191 ft-6,256 ft
CLEARFORK (Clear Fork)
GLORIETA
GRAYBURG
HOLT
QUEEN
SANTA ROSA BASE (Santa Rosa)
SEVEN RIVERS
TUBB
YATES

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
42-135-40560 LEON · FDL OPERATING, LLC
0.3 mi
Clear Fork 7,381'Spraberry 8,519'Wolfcamp 9,227'Strawn 11,008'
42-135-41662 MILLIE B · FDL OPERATING, LLC
0.3 mi
Clear Fork 7,659'Dean 9,041'Wolfcamp 9,193'Strawn 10,246'Strawn 11,008'
42-135-41377 LEON · FDL OPERATING, LLC
0.4 mi
Clear Fork 7,645'Spraberry 8,514'Wolfcamp 9,182'Strawn 11,008'
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'
42-135-41606 MILLIE B · FDL OPERATING, LLC
0.5 mi
Clear Fork 7,335'Spraberry 8,518'Wolfcamp 9,155'Strawn 11,008'
42-135-40626 MILLIE B · FDL OPERATING, LLC
0.6 mi
San Andres 5,096'Spraberry 6,404'Wolfcamp 9,159'Strawn 11,008'
42-135-43613 MILLIE B LEON · FDL OPERATING, LLC
0.7 mi
Queen 4,241'Grayburg 4,697'San Andres 5,144'Clear Fork 6,510'Spraberry 8,014'Jo Mill 8,489'San Andres Seven Rivers Glorieta Queen Holt Tubb +4 more
42-135-43614 MILLIE B LEON · FDL OPERATING, LLC
0.7 mi
Queen 4,241'Grayburg 4,498'San Andres 5,144'Clear Fork 6,510'Spraberry 8,014'Jo Mill 8,489'Santa Rosa Clear Fork Grayburg Seven Rivers Yates Glorieta +4 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
7,940–9,962 ftPerforated

Casing (3)

SizeSet DepthCement
12.75"319 ft140 sx
8.625"4,828 ft1,174 sx
5.5"10,123 ft754 sx

Permit History (2)

Applications (2)

#843499 A FDL OPERATING, LLC
received 2018-08-13
#704609 A DEVON ENERGY PRODUCTION CO, L.P.
received 2010-11-01

Records & Logs

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

W-2/G-1 2019-04-03
W-2/G-1 2018-05-29
W-2/G-1 2011-11-28 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.

Lat 31.665489
Lon -102.335012

Well Details

Well Number
1
Max Depth
10,500 ft
Drill Type
Vertical
County
ECTOR
District
8
Completed
2017-08-11

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