WELL · 42-329-46768 · DISTRICT 8

Willis 44-41 F #261

Y

Midland County · Spraberry (Trend Area) field · Producing  · Horizontal

Willis 44-41 F #261 (API 42-329-46768) is a horizontal well in Midland County operated by Diamondback E&P LLC, completed September 6, 2024 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued February 7, 2024, permitted to 10,493 ft.

It was permitted by Endeavor Energy Resources L.P. and has since transferred to Diamondback E&P LLC on the wellbore schedule.

Completion filings report 10 formation tops, including Santa Rosa, Rustler, Yates, Seven Rivers.

Its lease has reported 198K barrels of oil and 484K mcf of gas since March 2024, last reporting in July 2026.

Operator of record

Diamondback E&P LLC

Permitted by Endeavor Energy Resources L.P.; the EWA schedule now lists a different operator.

Midland, TX · P-5 Y, filed Mar 4, 2026 · 5,231 permits on file · (855) 247-5920

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleDiamondback E&P LLC
Production reportsDiamondback E&P LLCthrough Apr 2026
Latest permitEndeavor Energy Resources L.P.Feb 7, 2024

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

10,493
total depth, ft
1
permits on file
Feb 7, 2024
last permit issued
Sep 6, 2024
completed
198K
cumulative oil, bbl
484K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Mar 2024 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Sep 6, 2024
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

31.852095, -101.940223

OpenStreetMap → ·  Google Maps →

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

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Willis 44-41 F O-10-61469Spraberry (Trend Area)Diamondback E&P LLC1198K484KMar 2024 – Jul 2026

Oil, barrels lease total

Last 12 months 72,357 · prior 12 125,334(-42%)

010K20K30K202420252026

Gas, mcf lease total

Last 12 months 237,450 · prior 12 246,072(-4%)

020K40K60K202420252026

Chain of custody

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

  1. 1Endeavor Energy Resources L.P.Sep 2024 → Dec 2024
  2. 2Diamondback E&P LLCJan 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
896383-99DrillEndeavor Energy Resources L.P.Jan 8, 2024Feb 7, 2024Feb 27, 202410,493

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-61469————

Formation tops

As filed on W-2/G-1. Subsea from 2,704 ft elevation.Download CSV →

FormationMD ftSubsea
Santa Rosa1,0001,704
Rustler1,5951,109
Yates2,535169
Seven Rivers2,899-195
Queen3,655-951
Grayburg4,104-1,400
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO4,706-2,002
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO4,950-2,246
Glorieta5,625-2,921
Glorieta5,627-2,923
Clear ForkCLEARFORK6,590-3,886
Clear ForkCLEARFORK6,620-3,916
Spraberry7,439-4,735
Queen——
Seven Rivers——
Yates——

Perforations

Perforated and open-hole intervals.

FromToType
10,56920,448Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,35916845 S
10.757,11312.251,235 S
5.520,4757.8752,675 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
00Mar 11, 2025Jan 21, 2025—
00Sep 20, 2024Jul 1, 2024Yes

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). 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 →

Willis 44-41 D42-329-46767

0.0 KM · Endeavor Energy Resources L.P. · Section with this well →

Santa Rosa1,0001,704
Rustler1,5871,117
Yates2,529175
Seven Rivers2,891-187
Queen3,648-944
Grayburg4,100-1,396
San Andres4,721-2,017
Glorieta5,617-2,913

10 TOPS · FIRST 8

Willis 44-41 B42-329-46766

0.0 KM · Endeavor Energy Resources L.P. · Section with this well →

Santa Rosa1,0001,704
Rustler1,5861,118
Yates2,534170
Seven Rivers2,891-187
Queen3,648-944
Grayburg4,111-1,407
San Andres4,691-1,987
Glorieta5,613-2,909

10 TOPS · FIRST 8

Donald L Hutt Fee42-329-42239

1.1 KM · Pioneer Natural Res. USA, Inc. · Section with this well →

Santa Rosa9321,798
Yates2,588142
Seven Rivers2,901-171
Queen3,650-920
Grayburg4,186-1,456
San Andres4,360-1,630
Clear Fork6,603-3,873
Spraberry7,449-4,719

10 TOPS · FIRST 8

Donald L Hutt Fee K42-329-42253

1.1 KM · Pioneer Natural Res. USA, Inc. · Section with this well →

Santa Rosa9361,794
Yates2,588142
Seven Rivers2,905-175
Queen3,654-924
Grayburg4,190-1,460
San Andres4,370-1,640
Clear Fork6,611-3,881
Spraberry7,455-4,725

10 TOPS · FIRST 8

Donald L Hutt Fee42-329-42237

1.1 KM · Pioneer Natural Res. USA, Inc. · Section with this well →

Santa Rosa9221,808
Yates2,593137
Seven Rivers2,905-175
Queen3,657-927
Grayburg4,205-1,475
San Andres4,373-1,643
Clear Fork6,623-3,893
Spraberry7,472-4,742

10 TOPS · FIRST 8

Willis 40B42-329-42216

2.4 KM · Crownquest Operating, LLC · Section with this well →

Yates2,521166
Grayburg4,164-1,477
San Andres4,742-2,055
Glorieta5,571-2,884
Clear Fork6,557-3,870
Spraberry7,400-4,713
Spraberry8,771-6,084
Queen—

10 TOPS · FIRST 8

Heron East 4542-329-44176

2.5 KM · DE3 Operating LLC · Section with this well →

Santa Rosa1,0001,673
Rustler1,5851,088
Yates2,475198
Seven Rivers2,738-65
Queen3,391-718
Grayburg4,014-1,341
San Andres4,298-1,625
San Andres4,298-1,625

11 TOPS · FIRST 8

Willis 40B42-329-42212

2.6 KM · Crownquest Operating, LLC · Section with this well →

Yates2,524188
Grayburg4,206-1,494
San Andres4,785-2,073
Glorieta5,591-2,879
Clear Fork6,580-3,868
Spraberry7,417-4,705
Spraberry8,790-6,078
Seven Rivers—

10 TOPS · FIRST 8

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/32946768, documented in the API reference.