WELL · 42-197-31316 · DISTRICT 9

Long 398 #3X

N

Hardeman County · Holmes E. (7750) field  · Vertical

Long 398 #3X (API 42-197-31316) is a well in Hardeman County operated by Key Energy Of Colorado Inc., completed March 29, 2005.

The RRC has issued 3 drilling permits between 1994 and 2005, permitted to 8,400 ft.

Completion filings report 6 formation tops, including Holmes Sand, Holmes Sd, Holmes Ss, Chester.

Its 3 leases have reported 122K barrels of oil and 99.1K mcf of gas since January 1993, last reporting in July 2026. The leases carry 4 wells, so these are lease totals, not this well alone.

Operator of record

Key Energy of Colorado Inc.

Tulsa, OK · P-5 Y, filed Jun 3, 2016 · 78 permits on file · (800) 969-4789

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleKey Energy of Colorado Inc.
Production reportsAssent Energy Partners, LLCthrough Apr 2026
Latest permitKey Energy of Colorado, Inc.Oct 7, 2005

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

8,400
total depth, ft
3
permits on file
Oct 7, 2005
last permit issued
Mar 29, 2005
completed
122K
cumulative oil, bbl
99.1K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Mar 29, 2005
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 3 leases this well is completed on; they carry 4 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Long "398" O-13-24343Right Choice (Chappel)Assent Energy Partners, LLC232.2K1.86KJan 1993 – Jul 2026
Long 398 O-13-30535Trailer (Holmes)Assent Energy Partners, LLC169.3K97.2KOct 2005 – Jul 2026
Long 398 O-13-30436Holmes, E. (7750)Key Energy of Colorado, Inc.120.4K0Apr 2005 – Mar 2006

Oil, barrels lease total

Last 12 months 1,081 · prior 12 1,105(-2%)

050100150202420252026

Chain of custody

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

  1. 1EP Operating Limited PartnershipJan 1993 → Feb 1995
  2. 2Enserch Exploration, IncMar 1995 → Oct 1997
  3. 3Key Energy of Colorado, Inc.Nov 1997 → Nov 2013
  4. 4Eagle Energy Acquisitions LPDec 2013 → Aug 2014
  5. 5Eagle Hydrocarbons (Texas) Inc.Sep 2014 → Mar 2015
  6. 6Eagle Hydrocarbons Inc.Apr 2015 → Jun 2020
  7. 7Assent Energy Partners, LLCJul 2020 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
607503-99Field transferKey Energy of Colorado, Inc.Oct 7, 2005Oct 7, 2005Mar 29, 20057,799
557564-99RecompletionKey Energy of Colorado, Inc.Feb 11, 2005Feb 11, 2005—7,799
431216-99DrillEP Operating Limited PartnershipDec 21, 1994Dec 21, 1994Dec 21, 19948,400

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-13-24343————
—— O-13-30436————
—— O-13-30535————

Formation tops

As filed on W-2/G-1. Subsea from 1,361 ft elevation.Download CSV →

FormationMD ftSubsea
Holmes Sand7,337-5,976
Holmes SD7,337-5,976
Holmes SS7,337-5,976
Chester7,616-6,255
Mermac7,724-6,363
Chappel7,748-6,387

Perforations

Perforated and open-hole intervals.

FromToType
7,5387,550Perforated
7,7587,786Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62555412.25290 S
5.57,7587.875255 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 19, 2006Oct 24, 2005—
00Jan 17, 2006Apr 11, 2005Yes
00Aug 2, 2005Apr 11, 2005Yes
00May 25, 2005——
00Mar 17, 1995Feb 6, 1995Yes
00Feb 14, 1995——

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.

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/19731316, documented in the API reference.