WELL · 42-135-40567 · DISTRICT 8

Millie B #19

N

Ector County · Sallie Ann (Spraberry-Wolfcamp) field  · Vertical

Millie B #19 (API 42-135-40567) is a well in Ector County operated by Fdl Operating LLC, completed July 29, 2011.

The RRC has issued 2 drilling permits (amended once) between 2010 and 2018, permitted to 10,500 ft.

Completion filings report 2 formation tops, including Clear Fork, Wolfcamp.

Its 2 leases have reported 194K barrels of oil and 447K mcf of gas since July 2011, last reporting in July 2026. The leases carry 34 wells, so these are lease totals, not this well alone.

Operator of record

FDL Operating LLC

Judson, TX · P-5 Y, filed Jul 7, 2023 · 182 permits on file · (800) 773-1203

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleFDL Operating LLC
Production reportsDiamondback E&P LLCthrough Apr 2026
Latest permitFDL Operating, LLCAug 15, 2018

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

10,500
total depth, ft
3
permits on file
Aug 15, 2018
last permit issued
Jul 29, 2011
completed
194K
cumulative oil, bbl
447K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jul 2011 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jul 29, 2011
Shut in
—
Plugged
—

Surface location

31.659846, -102.360050

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Ector County.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 34 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Millie B O-10-51251Spraberry (Trend Area)Diamondback E&P LLC17107K268KJul 2018 – Jul 2026
Millie B O-10-41742Sallie Ann (Spraberry-Wolfcamp)FDL Operating, LLC1787K179KJul 2011 – Jun 2019

Oil, barrels lease total

Last 12 months 5,837 · prior 12 7,132(-18%)

05001K1.5K202420252026

Gas, mcf lease total

Last 12 months 22,678 · prior 12 26,167(-13%)

02K4K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Devon Energy Production Co, L.P.Sep 2011 → Jul 2016
  2. 2FDL Operating, LLCAug 2016 → Jun 2019
  3. 3Firebird Energy LLCJul 2019 → Nov 2022
  4. 4Diamondback E&P LLCDec 2022 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
843494-99Field transferFDL Operating, LLCAug 13, 2018Aug 15, 2018Apr 5, 201110,500
702736-98DrillDevon Energy Production Co, L.P.Feb 16, 2012Sep 29, 2010Mar 30, 201110,500
702736-99DrillDevon Energy Production Co, L.P.Sep 24, 2010Sep 29, 2010Mar 30, 201110,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-41742————
—— O-10-51251————

Formation tops

As filed on W-2/G-1. Subsea from 2,945 ft elevation.Download CSV →

FormationMD ftSubsea
Clear ForkLOWER CLEAR FORK7,560-4,615
WolfcampUPPER WOLFCAMP9,054-6,109
WolfcampLOWER WOLFCAMP9,296-6,351

Perforations

Perforated and open-hole intervals.

FromToType
7,7799,915Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
12.7531914.75190 S
8.6254,815111,162 S
5.510,1717.875880 S

Completion filings

W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →

SuffixFiledW-2 / G-1 dateLogs referenced
00Apr 24, 2019Apr 3, 2019Yes
00May 2, 2013Apr 5, 2012Yes

The source documents

Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.

Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. then paste it into their search.

Nearby wells and their tops

NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM

Draw a cross-section

This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Millie A42-135-42837

0.3 KM · FDL Operating, LLC · Section with this well →

Yates3,141-198
Seven Rivers3,418-475
Queen3,825-882
Grayburg4,580-1,637
San Andres4,842-1,899
Glorieta5,848-2,905
Clear Fork6,089-3,146
Holt—

17 TOPS · FIRST 8

Millie A42-135-41566

0.6 KM · FDL Operating, LLC · Section with this well →

Clear Fork7,272-4,328
Spraberry8,409-5,465
Wolfcamp9,036-6,092
Strawn11,008-8,064

Millie B42-135-41465

0.6 KM · FDL Operating, LLC · Section with this well →

Spraberry6,346-3,405
Spraberry8,459-5,518
Wolfcamp9,111-6,170
Strawn9,960-7,019

Millie B (Alloc)42-135-42521

0.7 KM · FDL Operating, LLC · Section with this well →

Abo8,766-5,825
Dean8,960-6,019
Wolfcamp9,147-6,206
Wolfcamp9,282-6,341

Millie B42-135-41573

0.8 KM · FDL Operating, LLC · Section with this well →

Clear Fork7,602-4,660
Dean8,932-5,990
Wolfcamp9,083-6,141
Strawn11,008-8,066

Millie A42-135-40563

0.8 KM · FDL Operating, LLC · Section with this well →

San Andres5,026-2,074
Spraberry8,391-5,439
Wolfcamp9,016-6,064
Strawn11,008-8,056

Millie B42-135-40568

0.8 KM · FDL Operating, LLC · Section with this well →

San Andres4,968-2,029
Spraberry6,272-3,333
Wolfcamp8,944-6,005

Millie B42-135-40586

0.9 KM · FDL Operating, LLC · Section with this well →

San Andres5,056-2,113
Spraberry8,415-5,472
Wolfcamp9,078-6,135
Strawn11,008-8,065

About this data

Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.

New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease

Developers: this page as JSON is GET /v1/data/wells/13540567, documented in the API reference.