OPERATORS · RRC 507246 · P-5 STATUS Y

Lone Star Oper Co

Pearsall, TX

Lone Star Oper CO has filed no drilling permits in the past 12 months; its most recent permit was issued September 11, 1990.

The RRC wellbore file lists 16 wells under its operatorship.

1 drilling permits have been issued to this operator number since 1990; its P-5 organization report was last filed October 2, 2015.

0: permits, last 12 months
—: vs prior 12 months (0)
0: counties, 12 months
0: producing wells, of 16 of record
12: leases it reports
—: horizontal, 12 months

WINDOWS ON THE RRC ISSUE DATE · COMPUTED OCT 29, 2026

Where

Counties by permits in the last 12 months, with all-time permits and current wells of record there.

County	12 mo	All time	Wells	Last
Frio county →	—	1	8	Sep 11, 1990

All 1 permits, searchable → · Leases it reports → · On the map →

Formations in its completed wells

Tops reported on completion filings for wells it operates. RRC wellbore file. About tops →

Formation	Wells	Permitted last 3 yrs
San Miguel	1	0
Anacacho	1	0
Olmos	1	0
Austin Chalk	1	0
Wilcox	1	0

Production by month

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Barrels on leases where this operator filed the production report. Lease-level by design; the latest months are revised upward as late reports arrive. How production is reported →

0: bbl oil, last 12 reported months
—: vs the 12 months before
0: mcf gas incl. casinghead, last 12
149K: bbl oil since reporting began

No lease production reported under this operator number in the last three years.

Beyond the permit record

RRC wellbore file

Wells of record

16: on the schedule
0: producing
0: shut in
0: injection
0: temp. abandoned
16: plugged

How it got them

1: permitted itself
14: acquired from others
0: permitted, now run by others

Acquired means the well's permit names a different operator than the schedule does today. Transfers and operator numbers →

RRC UIC permits · H-10 reported volumes

Disposal and injection

0: active UIC permits of 2
0: permitted bbl/day, active
0: bbl injected, last 12 reported months
Jun 2025: reported through

By county

Frio

0 active

0 bbl/d

Permitted volume is a ceiling, not throughput. How to read it →

Permit types

Last 12 months against the prior 12, and all time. A type opens the permit history filtered to it. What the types mean →

Type	12 mo	Prior 12	All time
Drill	0	0	1

Fields

RRC regulatory fields with the most wells of record under this operator. The field opens its page; the count opens this operator's wells in it.

Field	Wells	Producing
Pearsall (Austin Chalk)69981125	8	0
Fairfield30007001	7	0
Lori Brooke (Congl.)54935200	1	0

P-5 organization report

As registered with the RRC. About the P-5 →

Registration: Status code Y; Last filed Oct 2, 2015

Address: P O Drawer 425; Pearsall, TX 78061

Officers and agents: Stephens, William Frank · President/Vice President; Stephens, Elizabeth Minka · Treasurer

Latest permits

NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES

Permit	Seen	Issued	Operator	County	Lease / well	Depth	API
383958	Jan 28, 1991	Jan 28, 1991	H.L.S. Energy Co., Inc.	Frio	Rumfield #2H	6,900	16332988
383863	Jan 25, 1991	Jan 25, 1991	H.L.S. Energy Co., Inc.	Frio	Bennett #2H	6,800	16332987
383863	Jan 25, 1991	Jan 25, 1991	H.L.S. Energy Co., Inc.	Frio	Bennett #2H	6,800	16332987
381084	Nov 14, 1990	Nov 14, 1990	H.L.S. Energy Co., Inc.	Frio	Bennett Bros. #1H	6,800	16332915
377841	Sep 11, 1990	Sep 11, 1990	H.L.S. Energy Co., Inc.	Frio	Keystone #1H	6,300	16332839
377841	Sep 11, 1990	Sep 11, 1990	Lone Star Operating Company	Frio	Keystone #1H	8,930	16332839
376764	Aug 20, 1990	Aug 20, 1990	H.L.S. Energy Co., Inc.	Frio	Hanson #1H	5,100	16332810
375056	Jun 29, 1990	Jun 29, 1990	H.L.S. Energy Co., Inc.	Frio	Madie #1H	6,300	16332768
325957	Feb 5, 1987	Feb 5, 1987	Bar D Oil Corporation	Frio	Combs, M. K. #1	6,614	16330206
298979	Mar 5, 1986	Mar 5, 1986	Monroe Well Service, Inc.	Bexar	Ochs Tpa #4	900	02937373
299002	Mar 5, 1986	Mar 5, 1986	Monroe Well Service, Inc.	Bexar	Ochs Tpa #3	900	02937383
299047	Mar 5, 1986	Mar 5, 1986	Monroe Well Service, Inc.	Bexar	Ochs Tpa #2	900	02937392
299048	Mar 5, 1986	Mar 5, 1986	Monroe Well Service, Inc.	Bexar	Ochs Tpa #1	900	02937393
298714	Feb 28, 1986	Feb 28, 1986	Monroe Well Service, Inc.	Bexar	Ochs BRS #4	900	02937348
297697	Feb 13, 1986	Feb 13, 1986	Monroe Well Service, Inc.	Bexar	Ochs BRS #1	900	02937399

Full permit history →

About this data

Registration from the RRC P-5 organization report, refreshed weekly. Permits from the OGA049M master and daily daf420 files; wells of record from the EWA wellbore schedule; production from PDQ lease reports at the last vintage; disposal from UIC permits and H-10 reports. Summary figures are rebuilt nightly.

Developers: this page as JSON is GET /v1/data/operators/tx/507246, documented in the API reference.