WELL · 42-173-38118 · DISTRICT 8

Ona 44-3 D #241

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

Ona 44-3 D #241 (API 42-173-38118) is a horizontal well in Glasscock County operated by Diamondback E&P LLC, completed September 15, 2019 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued March 7, 2019, permitted to 7,873 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, Yates, Seven Rivers, Queen.

Its lease has reported 352K barrels of oil and 2.16M mcf of gas since September 2019, 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.

Based in
Midland, TX
P-5 status
Active – Extension (X)
P-5 last filed
May 4, 2026
Permits on file
5,237
Phone
(432) 221-7400

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.Mar 7, 2019

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

7,873
total depth, ft
1
permits on file
Mar 7, 2019
last permit issued
Sep 15, 2019
completed
352K
cumulative oil, bbl
2.16M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Sep 2019 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Sep 15, 2019
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active (A)

Surface location

31.655017, -101.480251

Google Maps ↗

Permit surface location from the RRC GIS record, in Glasscock 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
Ona 44-3 D O-10-52706Spraberry (Trend Area)Diamondback E&P LLC1352K2.16MSep 2019 – Jul 2026

Gas, mcf lease total

Last 12 months 229,828 · prior 12 276,538(-17%)

010K20K30K202420252026

Oil, barrels lease total

Last 12 months 14,339 · prior 12 17,779(-19%)

01K2K3K202420252026

Chain of custody

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

  1. 1Endeavor Energy Resources L.P.Sep 2019 → Dec 2024
  2. 2Diamondback E&P LLCJan 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
850516-99DrillEndeavor Energy Resources L.P.Feb 28, 2019Mar 7, 2019Jun 17, 201911,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Sep 15, 2019Ona 44-3 D O-10-52706Spraberry (Trend Area)Diamondback E&P LLCProducing7,873

Formation tops

As filed on W-2/G-1. Subsea from 2,687 ft elevation.Download CSV →

FormationMD ftSubsea
Santa Rosa4422,245
Yates1,5221,165
Seven Rivers1,846841
Queen2,209478
Grayburg2,935-248
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO3,614-927
Glorieta4,527-1,840
Clear ForkCLEARFORK4,911-2,224
Spraberry6,032-3,345
Wichita-AlbanyWICHITA ALBANY6,527-3,840

Perforations

Perforated and open-hole intervals.

FromToType
8,27718,646Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,01017.53,020 S
9.6257,09212.25975 S
5.518,7748.53,020 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
00Feb 2, 2020——
00Jan 9, 2020Oct 11, 2019Yes

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 neighbors, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Ona 44-3 B42-173-38119

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

Santa Rosa4422,245
Yates1,5221,165
Seven Rivers1,846841
Queen2,209478
Grayburg2,935-248
San Andres3,614-927
Glorieta4,527-1,840
Clear Fork4,898-2,211

10 TOPS · FIRST 8

Ona 44-3 E42-173-38117

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

Santa Rosa4422,236
Yates1,5221,156
Seven Rivers1,846832
Queen2,209469
Grayburg2,935-257
San Andres3,620-942
Glorieta4,532-1,854
Clear Fork5,488-2,810

10 TOPS · FIRST 8

Ona 44-3 G42-173-38116

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

Santa Rosa4422,236
Yates1,5221,156
Seven Rivers1,846832
Queen2,209469
Grayburg2,935-257
San Andres3,614-936
Glorieta4,527-1,849
Clear Fork4,968-2,290

10 TOPS · FIRST 8

Yellow Rose 40-2 (Alloc-A)42-173-38024

1.0 KM · Laredo Petroleum, Inc. · Section with this well →

Santa Rosa4422,245
Yates1,5221,165
Seven Rivers1,846841
Queen2,209478
Grayburg2,391296
San Andres2,554133
Glorieta3,627-940
Clear Fork5,263-2,576

10 TOPS · FIRST 8

Yellow Rose 40-2 (Alloc-B)42-173-38025

1.0 KM · Laredo Petroleum, Inc. · Section with this well →

Santa Rosa4012,286
Yates1,720967
Seven Rivers1,833854
Queen2,181506
Grayburg2,363324
San Andres2,526161
Glorieta4,152-1,465
Clear Fork5,235-2,548

10 TOPS · FIRST 8

Yellow Rose 40-2 (Alloc-C)42-173-38026

1.3 KM · Laredo Petroleum, Inc. · Section with this well →

Santa Rosa3952,298
Yates1,714979
Seven Rivers1,827866
Queen2,190503
Grayburg2,372321
San Andres2,535158
Glorieta4,161-1,468
Clear Fork5,244-2,551

10 TOPS · FIRST 8

Yellow Rose 40-2 (Alloc-D)42-173-38028

1.3 KM · Laredo Petroleum, Inc. · Section with this well →

Santa Rosa3952,298
Yates1,714979
Seven Rivers1,827866
Queen2,182511
Grayburg2,364329
San Andres2,527166
Glorieta4,153-1,460
Clear Fork5,236-2,543

10 TOPS · FIRST 8

Yellow Rose 40-2 (Alloc-E)42-173-38030

1.6 KM · Laredo Petroleum, Inc. · Section with this well →

Santa Rosa4212,279
Yates1,712988
Seven Rivers1,830870
Queen2,182518
Grayburg2,363337
San Andres2,523177
Glorieta4,145-1,445
Clear Fork5,252-2,552

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/17338118, documented in the API reference.