OPERATORS · RRC 507250 · P-5 STATUS Y

Lone Star Petro, Inc

San Antonio, TX

Lone Star Petro, Inc has filed no drilling permits in the past 12 months; its most recent permit was issued May 23, 1979.

The RRC wellbore file lists 1 well under its operatorship.

16 drilling permits have been issued to this operator number since 1977; its P-5 organization report was last filed May 13, 1983.

0: permits, last 12 months
—: vs prior 12 months (0)
0: counties, 12 months
0: producing wells, of 1 of record
0: leases it reports
—: horizontal, 12 months

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

From permit to spud

FROM THE DATES ON ITS W-1 PERMITS · ALL TIME

A permit is a plan, not a well. These figures count only permits old enough to have spudded, six months and more, and read the spud, cancel, and expiry dates the RRC records on each one.

75%: spud rate · 12 of 16 mature permits
27: median days permit to spud · middle half 18–66
0: spuds, last 180 days
0%: cancelled · 0 permits
4: expired undrilled
8: permits a year over 2 active years

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
Hood county →	—	10	0	May 23, 1979
Stephens county →	—	5	1	Jan 31, 1978
Throckmorton county →	—	1	0	Dec 12, 1977

All 16 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
No completion tops on file.

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
0: 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

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

How it got them

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

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

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	16

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
Stephens County Regular (Gas)85948100	1	0

P-5 organization report

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

Registration: Status code Y; Last filed May 13, 1983

Address: 2001 Bryan Tower, #2880; San Antonio, TX 78201

Officers and agents: Rector, Donald · Trustee; Mulkey, Tyrus Rex · President/Treasurer/Director; Kardell, Richard C. · Vice President/Director

Latest permits

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

Permit	Seen	Issued	Operator	County	Lease / well	Depth	API
49104	May 23, 1979	May 23, 1979	Lone Star Petroleum, Inc.	Hood	Angelia #1	5,300	22130572
45490	Mar 30, 1979	Mar 30, 1979	Lone Star Petroleum, Inc.	Hood	Comanche Peak "D" #1	4,885	22130569
42162	Feb 7, 1979	Feb 7, 1979	Lone Star Petroleum, Inc.	Hood	Squaw Creek #1	5,300	22130562
37500	Nov 27, 1978	Nov 27, 1978	Lone Star Petroleum, Inc.	Hood	Vest #2	5,300	22130541
34951	Oct 18, 1978	Oct 18, 1978	Lone Star Petroleum, Inc.	Hood	"EL Kapitan" #1	5,068	22130534
34242	Oct 6, 1978	Oct 6, 1978	Lone Star Petroleum, Inc.	Hood	Comanche Peak "B" #1	5,500	22130525
34241	Oct 6, 1978	Oct 6, 1978	Lone Star Petroleum, Inc.	Hood	Comanche Peak "C" #1	5,500	22130524
30221	Aug 8, 1978	Aug 8, 1978	Lone Star Petroleum, Inc.	Hood	Vest #1	5,300	22130508
30220	Aug 8, 1978	Aug 8, 1978	Lone Star Petroleum, Inc.	Hood	Comanche Peak #1	5,100	22130507
21412	Apr 5, 1978	Apr 5, 1978	Lone Star Petroleum, Inc.	Hood	Lone Star--Strickland #1	4,380	22130478
17391	Jan 31, 1978	Jan 31, 1978	Lone Star Petroleum, Inc.	Stephens	Farmers Bank & Trust #2	4,488	42931759
13798	Dec 12, 1977	Dec 12, 1977	Lone Star Petroleum, Inc.	Throckmorton	Lone Star-Robertson, Ltd. #1	4,200	44731565
13164	Dec 1, 1977	Dec 1, 1977	Lone Star Petroleum, Inc.	Stephens	Lone Star FBT Offset/Puckett #1 #1	4,443	42931719
12043	Nov 15, 1977	Nov 15, 1977	Lone Star Petroleum, Inc.	Stephens	Dance, B. S. #1	4,650	42931709
9080	Oct 4, 1977	Oct 4, 1977	Lone Star Petroleum, Inc.	Stephens	Maury #1	4,700	42931232

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/507250, documented in the API reference.