WELL · 42-317-45377 · DISTRICT 8

Hera 56-46 D #144

N

Martin County · Spraberry (Trend Area) field  · Horizontal

Hera 56-46 D #144 (API 42-317-45377) is a horizontal well in Martin County operated by Endeavor Energy Resources L.P., completed December 12, 2023.

The RRC has issued one drilling permit, issued August 8, 2023, permitted to 11,000 ft.

Completion filings report 10 formation tops, including Santa Rosa, Yates, Queen, Grayburg.

Its 2 leases have reported 2.2M barrels of oil and 4.85M mcf of gas since October 2023, last reporting in July 2026. The leases carry 17 wells, so these are lease totals, not this well alone.

Operator of record

Endeavor Energy Resources L.P.

Midland, TX · P-5 Y, filed Apr 4, 2026 · 6,190 permits on file · (855) 247-5920

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleEndeavor Energy Resources L.P.
Production reportsDiamondback E&P LLCthrough Apr 2026
Latest permitEndeavor Energy Resources L.P.Aug 8, 2023

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

11,000
total depth, ft
1
permits on file
Aug 8, 2023
last permit issued
Dec 12, 2023
completed
2.2M
cumulative oil, bbl
4.85M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Oct 2023 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Dec 12, 2023
Shut in
—
Plugged
—

Surface location

32.397041, -101.736094

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Martin 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 17 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Hera 56-46 Unit 1 O-10-60190Spraberry (Trend Area)Diamondback E&P LLC132.2M4.85MOct 2023 – Jul 2026
Hera 56-46 D O-10-60587Spraberry (Trend Area)Endeavor Energy Resources L.P.400Nov 2023 – Oct 2024

Oil, barrels lease total

Last 12 months 1,460,068 · prior 12 740,665(+97%)

0200K400K202420252026

Gas, mcf lease total

Last 12 months 4,110,210 · prior 12 744,259(+452%)

0200K400K202420252026

Chain of custody

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

  1. 1Diamondback E&P LLCFeb 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
891397-99DrillEndeavor Energy Resources L.P.Jun 14, 2023Aug 8, 2023Oct 26, 202311,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-60190————
—— O-10-60587————

Formation tops

As filed on W-2/G-1. Subsea from 2,593 ft elevation.Download CSV →

FormationMD ftSubsea
Santa Rosa8801,713
Yates2,054539
Yates2,103490
Queen2,873-280
Queen2,906-313
Grayburg3,128-535
Grayburg3,386-793
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H3,699-1,106
San Andres3,831-1,238
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H3,831-1,238
Clear ForkCLEARFORK5,129-2,536
Clear ForkCLEARFORK5,192-2,599
Spraberry6,843-4,250
Spraberry6,859-4,266
Cisco——
Dean——
Wolfcamp——

Perforations

Perforated and open-hole intervals.

FromToType
8,30823,044Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,20716735 S
9.6255,40212.251,430 S
5.523,0758.53,335 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
00Jun 4, 2025May 6, 2025—
00Oct 14, 2024Jul 24, 2024Yes
00Apr 25, 2024Feb 15, 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) 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 →

Hera 56-46 E42-317-45518

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

Santa Rosa8801,713
Yates2,051542
Queen2,859-266
Grayburg3,070-477
San Andres3,798-1,205
Spraberry6,843-4,250
Dean8,158-5,565
Wolfcamp8,398-5,805

Hera 56-46 D42-317-45376

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

Santa Rosa8801,713
Yates2,048545
Queen2,856-263
Grayburg3,047-454
San Andres3,699-1,106
San Andres3,776-1,183
Clear Fork5,118-2,525
Spraberry6,842-4,249

12 TOPS · FIRST 8

Hera 56-46 E42-317-45517

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

Santa Rosa8801,713
Yates2,163430
Queen2,957-364
Grayburg3,189-596
San Andres3,902-1,309
San Andres3,902-1,309
Clear Fork5,239-2,646
Spraberry6,861-4,268

12 TOPS · FIRST 8

Hera 56-46 D42-317-45374

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

Santa Rosa8801,713
Yates2,041552
Queen2,844-251
Grayburg3,346-753
San Andres3,653-1,060
San Andres3,653-1,060
Clear Fork5,233-2,640
Spraberry6,842-4,249

12 TOPS · FIRST 8

Hera 56-46 E42-317-45798

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

Santa Rosa8801,713
Rustler1,4411,152
Yates2,051542
Queen2,859-266
Grayburg3,070-477
San Andres3,699-1,106
San Andres3,699-1,106
Glorieta4,440-1,847

14 TOPS · FIRST 8

Zeus 7-6 Unit 142-317-42410

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

Santa Rosa1,0001,593
Yates1,3431,250
Queen2,300293
Grayburg3,336-743
San Andres3,648-1,055
Cisco5,208-2,615
Spraberry6,858-4,265
Dean8,173-5,580

10 TOPS · FIRST 8

Hera 56-46 D42-317-45375

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

Santa Rosa8801,713
Yates2,045548
Queen2,864-271
Grayburg3,166-573
San Andres3,697-1,104
San Andres3,697-1,104
Clear Fork5,213-2,620
Spraberry6,829-4,236

12 TOPS · FIRST 8

Zeus 7-6 Unit 142-317-42409

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

Santa Rosa1,0001,593
Yates1,3431,250
Queen2,300293
Grayburg3,336-743
San Andres3,648-1,055
Cisco5,208-2,615
Spraberry6,858-4,265
Dean8,173-5,580

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/31745377, documented in the API reference.