OPERATORS · RRC 525340 · P-5 STATUS Y

Maran Oil Co

San Antonio, TX

Maran Oil CO has filed no drilling permits in the past 12 months; its most recent permit was issued December 9, 2020.

The RRC wellbore file lists 11 wells under its operatorship.

46 drilling permits have been issued to this operator number since 1977; its P-5 organization report was last filed April 9, 2021.

0: permits, last 12 months
—: vs prior 12 months (0)
0: counties, 12 months
0: producing wells, of 11 of record
29: 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.

54%: spud rate · 25 of 46 mature permits
54: median days permit to spud · middle half 33–194
0: spuds, last 180 days
7%: cancelled · 3 permits
18: expired undrilled
1: permits a year over 44 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
Refugio county →	—	46	11	Dec 9, 2020

All 46 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
Catahoula	5	0
Miocene (undifferentiated)	4	0
Frio	3	0
Greta	3	0
Lagarto	1	0
Oakville	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
73.9K: 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

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

How it got them

7: permitted itself
1: acquired from others
1: 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
Recompletion	0	0	42
Drill	0	0	4

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
Fagan (5450)29938870	3	0
Fagan (2900)29938605	1	0
Fagan (3000)29938660	1	0
Fagan (3350)29938770	1	0
Fagan (3570)29938825	1	0
Fagan (6110)29938937	1	0
Fagan (6250)29938940	1	0
Fagan (2350)29938330	1	0
Huff (3700)43270748	1	0

P-5 organization report

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

Registration: Status code Y; Last filed Apr 9, 2021

Address: 10100 Reunion PL Ste 635; San Antonio, TX 78216; (210) 492-9672

Officers and agents: Anderson, Robert A. · Partner; Harithas, Ann W. Mineral Trust · Partner; Keller, Thomas L. · Trustee

Latest permits

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

Permit	Seen	Issued	Operator	County	Lease / well	Depth	API
918856	Sep 27, 2026	Sep 25, 2026	T-C Oil Company, LLC	Refugio	Anderson, Mary Alice et al 'A' #A 12	6,212	39131640
875704	Jan 7, 2022	Jan 7, 2022	Maran Oil Company, LLC	Refugio	Anderson, Mary Alice et al 'A' #A 12	5,500	39131640
866371	Dec 9, 2020	Dec 9, 2020	Maran Oil Company	Refugio	Mary Alice Anderson, et al -A- #A 14	3,550	39132953
823369	Feb 27, 2017	Feb 27, 2017	Maran Oil Company	Refugio	Mary Alice Anderson et al -A- #A 14	3,710	39132953
820743	Dec 12, 2016	Dec 12, 2016	Maran Oil Company	Refugio	Mary Alice Anderson et al -A- #A 14	5,330	39132953
809851	Sep 1, 2015	Sep 1, 2015	Maran Oil Company	Refugio	Mary Alice Anderson et al -A- #A 14	5,610	39132953
788011	Jun 27, 2014	Jun 27, 2014	Maran Oil Company	Refugio	Mary Alice Anderson et AL-A- #A 10	2,280	39130223
767548	Aug 5, 2013	Aug 5, 2013	Maran Oil Company	Refugio	Anderson, Mary Alice et al 'A' #11	2,043	39130224
752547	Dec 10, 2012	Dec 10, 2012	Maran Oil Company	Refugio	Mary Alice Anderson et al -D- #D 1	2,970	39130313
751002	Nov 7, 2012	Nov 7, 2012	Maran Oil Company	Refugio	Mary Alice Anderson et al -A- #3	1,920	39103925
749083	Oct 8, 2012	Oct 8, 2012	Maran Oil Company	Refugio	Anderson, Mary Alice et al 'A' #A 12	5,850	39131640
694061	Apr 20, 2010	Apr 20, 2010	Maran Oil Company	Refugio	Mary Alice Anderson et al -A- #A 14	7,000	39132953
689729	Jan 15, 2010	Jan 15, 2010	Maran Oil Company	Refugio	Anderson, Mary Alice et al -D- #7	3,000	39132742
677404	Jan 27, 2009	Jan 27, 2009	Maran Oil Company	Refugio	Mary Alice Anderson -D- #D 1	5,600	39130313
654622	Feb 13, 2008	Feb 13, 2008	Maran Oil Company	Refugio	Mary Alice Anderson et AL-A- #A 10	2,430	39130223

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/525340, documented in the API reference.