TEXAS · WELLS · PECOS COUNTY · API 42-371-30034 · DISTRICT 7B

Millar L. H. Etal 39 #8

Plugged

Pecos County · Wentz (Clear Fork) field · Vertical

Millar L. H. Etal 39 #8 (API 42-371-30034) is a plugged well in Pecos County, plugged August 28, 2015, last operated by Olsen Energy Inc..

The RRC has issued 2 drilling permits (amended once) between 1991 and 2008, permitted to 4,570 ft.

Completion filings report 4 formation tops, including Yates, Queen, San Andres, Tubb.

Its 4 leases have reported 1.1M barrels of oil and 550K mcf of gas since January 1993, last reporting in July 2026. The leases carry 30 wells, so these are lease totals, not this well alone.

Operator of record

Olsen Energy Inc.

Based in: Boerne, TX
P-5 status: Active (A)
P-5 last filed: May 26, 2026
Permits on file: 243
Phone: (210) 496-2466

Watch this operator Watch Pecos County

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	Olsen Energy Inc.
Production reports	Olsen Energy Inc.through Apr 2026
Latest permit	Olsen Energy Inc.Jun 24, 2008

4,570: total depth, ft
3: permits on file
Jun 24, 2008: last permit issued
Jan 22, 2009: completed
1.1M: cumulative oil, bbl
550K: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule: OFF SCHEDULE
Completed: Jan 22, 2009
Shut in: —
Plugged: Aug 28, 2015

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 4 leases this well is completed on; they carry 30 wells in total, so volumes are shared.Why →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Millar, L. H., Etal O-10-16209	Wentz (Clear Fork)	Olsen Energy Inc.	16	724K	51.8K	Jan 1993 – Jul 2026
Millar, L. H.,etal "39" O-10-40048	Wentz (Clear Fork)	Olsen Energy Inc.	13	375K	168K	Jun 2010 – Jul 2026
Millar, L. H. G-10-140699	Wentz (San Andres)	Olsen Energy Inc.	1	0	330K	Jan 1993 – Jan 2009
— O-10-33233	—	—	0	0	0	—

Oil, barrels lease total

Last 12 months 40,852 · prior 12 42,973(-5%)

Gas, mcf lease total

Last 12 months 1,973 · prior 12 3,217(-39%)

Chain of custody

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

1Chevron U. S. A. Inc.Jan 1993 → Aug 1999
2Belco Energy Corp.Sep 1999 → Feb 2002
3Westport Oil and Gas Company, LPMar 2002 → Feb 2006
4Kerr-McGee Oil & Gas Onshore LPMar 2006 → Dec 2006
5Olsen Energy Inc.Jan 2007 → Apr 2026

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
660206-98	Recompletion	Olsen Energy Inc.	May 10, 2010	Jun 24, 2008	Jan 13, 2009	3,880
660206-99	Recompletion	Olsen Energy Inc.	Apr 22, 2008	Jun 24, 2008	Jan 13, 2009	3,880
387167-99	Reenter	Chevron U. S. A. Inc.	Apr 25, 1991	May 14, 1991	May 18, 1991	4,570

Completions

Completed	Lease	Field	Operator	Status	Depth
Jan 22, 2009	Millar L. H. Etal 39 O-10-40048	Wentz (Clear Fork)	Olsen Energy Inc.	Plugged	—
Jan 22, 2009	Millar L. H. Etal O-10-16209	Wentz (Clear Fork)	Olsen Energy Inc.	Plugged	—
Jun 10, 1991	Millar L. H. et al Sec 39 O-10-33233	Wentz (San Andres)	Chevron U. S. A. Inc.	Plugged	—
May 21, 1991	Millar L. H. G-10-140699	Wentz (San Andres)	Olsen Energy Inc.	Plugged	—

Formation tops

As filed on W-2/G-1. Subsea from 2,520 ft elevation.Download CSV →

Formation	MD ft	Subsea
Yates	795	1,725
Queen	1,195	1,325
San Andres	2,141	379
Tubb	2,723	-203

Perforations

Perforated and open-hole intervals.

From	To	Type
1,550	1,562	Perforated
1,550	1,573	Perforated
1,567	1,573	Perforated
2,576	2,632	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
8.625	400	12.019	350 S
8.625	400	12.25	350 S
8.625	400	—	350 S
5.5	4,569	7.875	750 S
5.5	4,569	—	750 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 →

Filed	W-2 / G-1 date	Logs referenced
Jul 27, 2010	Feb 12, 2009	Yes
Jul 15, 2010	Feb 12, 2009	Yes
Apr 8, 2010	—	—
May 13, 1992	Feb 12, 1992	—
Mar 5, 1992	—	—
Aug 28, 1991	Jun 24, 1991	—
Aug 12, 1991	—	—

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.

Wellbore filings for 42-371-30034 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-371-30034 → scanned completion filings

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.

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

0: bbl, last 12 reported months
0: bbl, all reported
May 2010: reported through

UIC	Kind	Status	Permitted bbl/d	Max psi	Zone ft
000098728	H-1 Injection	Plugged Sep 24, 2015	600	1,225	2,450–3,800

MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS

Last 12 months 0 · prior 12 0

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/37130034, documented in the API reference.