WELL · 42-371-38353 · DISTRICT 8

Millar L. H.etal #35

N

Pecos County · Wentz (Cambrian SE) field  · Vertical

Millar L. H.Etal #35 (API 42-371-38353) is a well in Pecos County operated by Olsen Energy Inc., completed October 27, 2008.

The RRC has issued 2 drilling permits between 2008 and 2009, permitted to 4,800 ft.

Completion filings report 5 formation tops, including Queen, San Andres, Tubb, Wichita-Albany.

Its 2 leases have reported 110K barrels of oil and 816K mcf of gas since February 1996, last reporting in July 2026. The leases carry 3 wells, so these are lease totals, not this well alone.

Operator of record

Olsen Energy Inc.

Boerne, TX · P-5 Y, filed May 4, 2026 · 243 permits on file · (210) 834-4655

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleOlsen Energy Inc.
Production reportsOlsen Energy Inc.through Apr 2026
Latest permitOlsen Energy Inc.Apr 13, 2009
4,800
total depth, ft
2
permits on file
Apr 13, 2009
last permit issued
Oct 27, 2008
completed
110K
cumulative oil, bbl
816K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Feb 1996 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Oct 27, 2008
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
Millar, L.H. Etal G-10-248638Wentz (Wichita-Albany)Olsen Energy Inc.10567KApr 2009 – Jul 2026
Millar, L. H.etal O-10-34866Wentz (Cambrian SE)Olsen Energy Inc.2110K249KFeb 1996 – Jul 2026

Gas, mcf lease total

Last 12 months 8,436 · prior 12 4,396(+92%)

01K2K3K202420252026

Oil, barrels lease total

Last 12 months 655 · prior 12 568(+15%)

0100200300202420252026

Chain of custody

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

  1. 1Chevron U. S. A. Inc.Feb 1996 → Aug 1999
  2. 2Belco Energy Corp.Sep 1999 → Feb 2002
  3. 3Westport Oil and Gas Company, LPMar 2002 → Oct 2005
  4. 4Olsen Energy Inc.Jul 2007 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
680014-99RecompletionOlsen Energy Inc.Apr 1, 2009Apr 13, 2009Mar 30, 20094,500
665516-99DrillOlsen Energy Inc.Jun 26, 2008Jul 23, 2008Sep 24, 20084,800

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-10-248638————
—— O-10-34866————

Formation tops

As filed on W-2/G-1. Subsea from 2,521 ft elevation.Download CSV →

FormationMD ftSubsea
Queen1,2401,281
San Andres1,550971
Tubb2,810-289
Wichita-AlbanyWICHITA ALBANY3,750-1,229
Cambrian Sand4,360-1,839

Perforations

Perforated and open-hole intervals.

FromToType
4,1574,161Perforated
4,3684,425Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62569412.25345 S
5.54,5007.875821 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
00Aug 4, 2009May 14, 2009Yes
00Jun 29, 2009——
00May 5, 2009Dec 10, 2008Yes
00Apr 15, 2009——

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/37138353, documented in the API reference.