OPERATORS · RRC 256842 · P-5 STATUS Y

Excalibur E & P, LLC

Johnson City, TX

Excalibur E & P, LLC has filed no drilling permits in the past 12 months; its most recent permit was issued April 13, 2012.

The RRC wellbore file lists 13 wells under its operatorship (1 shut in).

19 drilling permits have been issued to this operator number since 2001; its P-5 organization report was last filed January 4, 2026.

0: permits, last 12 months
—: vs prior 12 months (0)
0: counties, 12 months
0: producing wells, of 13 of record
8: 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.

42%: spud rate · 8 of 19 mature permits
37: median days permit to spud · middle half 11–42
0: spuds, last 180 days
0%: cancelled · 0 permits
11: expired undrilled
2: permits a year over 12 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
Atascosa county →	—	16	5	Apr 13, 2012
San Patricio county →	—	2	0	Mar 8, 2001
Aransas county →	—	1	0	Feb 27, 2006

All 19 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
Austin Chalk	5	0
Eagle Ford	5	0
Georgetown	5	0
Edwards	4	0
Buda	3	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
77.2K: 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

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

How it got them

3: permitted itself
8: 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

Atascosa

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	12
Recompletion	0	0	5
Reenter	0	0	2

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
Minerva-Rockdale61858001	8	0
Pleasanton (Edwards Lime)71922498	5	0

P-5 organization report

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

Registration: Status code Y; Last filed Jan 4, 2026; Oil operator

Address: P O Box 2232; Johnson City, TX 78636; (512) 658-4746

Officers and agents: McWilliams, Dwayne · Filing Agent,texas Resident Agen; Hawkins, Daniel Lee · Managing Member; McWilliams, Dwayne · Filing Agent,texas Resident Agen; Ruiz (Polk), Kelsea Mariah · Filing Agent

Latest permits

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

Permit	Seen	Issued	Operator	County	Lease / well	Depth	API
737047	Apr 13, 2012	Apr 13, 2012	Excalibur E & P, LLC	Atascosa	Lonestar Unit #4	8,235	01300906
729722	Jan 3, 2012	Jan 3, 2012	Excalibur E & P, LLC	Atascosa	Excalibur/Falcon Leal #3	10,000	01334451
729719	Dec 29, 2011	Dec 29, 2011	Excalibur E & P, LLC	Atascosa	Excalibur/Falcon Leal #2	10,000	01334450
729715	Dec 13, 2011	Dec 13, 2011	Excalibur E & P, LLC	Atascosa	Excalibur/Falcon Burger #4	10,000	01334449
726088	Oct 14, 2011	Oct 14, 2011	Excalibur E & P, LLC	Atascosa	Excalibur/Falcon Burger #3	9,000	01334438
726088	Oct 14, 2011	Oct 14, 2011	Excalibur E & P, LLC	Atascosa	Excalibur/Falcon Burger #3	10,000	01334438
726087	Oct 14, 2011	Oct 14, 2011	Excalibur E & P, LLC	Atascosa	Excalibur/Falcon Burger #2	9,000	01334437
726087	Oct 14, 2011	Oct 14, 2011	Excalibur E & P, LLC	Atascosa	Excalibur/Falcon Burger #2	10,000	01334437
726012	Oct 14, 2011	Oct 14, 2011	Excalibur E & P, LLC	Atascosa	Excalibur/Falcon Burger #1	9,000	01334436
726012	Oct 14, 2011	Oct 14, 2011	Excalibur E & P, LLC	Atascosa	Excalibur/Falcon Burger #1	10,000	01334436
725362	Oct 3, 2011	Oct 3, 2011	Excalibur E & P, LLC	Atascosa	Otto Lieke #3	10,900	01333991
722956	Aug 26, 2011	Aug 26, 2011	Excalibur E & P, LLC	Atascosa	Richter #7	14,000	01334419
718818	Aug 24, 2011	Aug 24, 2011	Excalibur E & P, LLC	Atascosa	Excaliber/ Falcon Leal #1	10,000	01334395
718818	Aug 24, 2011	Aug 24, 2011	Excalibur E & P, LLC	Atascosa	Excaliber/ Falcon Leal #1	10,000	01334395
614896	Feb 27, 2006	Feb 27, 2006	Excalibur E & P, LLC	Aransas	Rouquette, Zeph #1	10,800	00730827

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/256842, documented in the API reference.