WELL · 42-317-33972 · DISTRICT 8

Argonaut #1

N

Martin County · Argonaut (Fusselman) field  · Horizontal

Argonaut #1 (API 42-317-33972) is a horizontal well in Martin County operated by Endeavor Energy Resources L.P., completed June 23, 1994.

The RRC has issued 2 drilling permits (amended 3 times) between 1994 and 1998, permitted to 12,500 ft.

Completion filings report 11 formation tops, including Yates, L/Spra, L/Spraberry, Wolfcamp.

Its 2 leases have reported 91.6K barrels of oil and 233K mcf of gas since June 1994, last reporting in July 2026. The leases carry 3 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.Nov 17, 1998

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

12,500
total depth, ft
5
permits on file
Nov 17, 1998
last permit issued
Jun 23, 1994
completed
91.6K
cumulative oil, bbl
233K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 1994 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jun 23, 1994
Shut in
—
Plugged
—

Surface location

No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.

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 3 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Argonaut O-10-46828Spraberry (Trend Area)Diamondback E&P LLC150.3K231KMay 1999 – Jul 2026
Argonaut O-10-34216Argonaut (Fusselman)Endeavor Energy Resources L.P.241.3K1.64KJun 1994 – Dec 2015

Oil, barrels lease total

Last 12 months 648 · prior 12 721(-10%)

050100202420252026

Gas, mcf lease total

Last 12 months 0 · prior 12 152(-100%)

0204060202420252026

Chain of custody

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

  1. 1Collins & Ware, Inc.Jun 1994 → Jul 1997
  2. 2Northland Operating CompanyAug 1997 → May 1998
  3. 3Endeavor Energy Resources L.P.May 1999 → Dec 2024
  4. 4Diamondback E&P LLCJan 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
480766-98RecompletionEndeavor Energy Resources L.P.Jun 19, 2015Nov 17, 1998Feb 26, 199911,240
480766-99RecompletionMWS Producing, Inc.Nov 10, 1998Nov 17, 1998Feb 26, 199911,240
423136-97DrillCollins & Ware, Inc.May 31, 1994Apr 19, 1994—12,500
423136-98DrillCollins & Ware, Inc.May 26, 1994Apr 19, 1994—12,500
423136-99DrillCollins & Ware, Inc.Apr 19, 1994Apr 19, 1994Apr 26, 199412,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-34216————
—— O-10-34216————
—— O-10-46828————

Formation tops

As filed on W-2/G-1. Subsea from 2,632 ft elevation.Download CSV →

FormationMD ftSubsea
Yates2,243389
L/Spra7,699-5,067
L/Spraberry7,699-5,067
Wolfcamp8,710-6,078
Strawn10,186-7,554
U/Miss10,368-7,736
Mississippian10,369-7,737
Woodford11,065-8,433
Silurian (undifferentiated)SILURIAN11,173-8,541
Montoya11,357-8,725
Atoka——

Perforations

Perforated and open-hole intervals.

FromToType
7,70410,880Perforated
11,17611,240Perforated
11,17611,418Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37534817.5375 S
9.6254,16012.251,450 S
5.511,1768.751,100 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
00Jan 17, 2019Dec 3, 2018—
00Sep 30, 2015Aug 12, 2015Yes
00Oct 25, 1994Jul 1, 1994Yes
00Aug 2, 1994——

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.

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/31733972, documented in the API reference.