OPERATORS · RRC 617515 · P-5 STATUS Y

O'Brien Oper Co

Shreveport, LA

O'Brien Oper CO has filed no drilling permits in the past 12 months; its most recent permit was issued August 25, 1995.

The RRC wellbore file lists 1 well under its operatorship.

11 drilling permits have been issued to this operator number since 1983; its P-5 organization report was last filed July 6, 1998.

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.

36%: spud rate · 4 of 11 mature permits
28: median days permit to spud · middle half 19–42
0: spuds, last 180 days
0%: cancelled · 0 permits
7: expired undrilled
1: 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
Milam county →	—	3	1	Mar 20, 1986
Anderson county →	—	2	0	Jul 5, 1991
Marion county →	—	2	0	Sep 4, 1985
Bowie county →	—	1	0	Aug 25, 1995
Harrison county →	—	1	0	Sep 13, 1985
Henderson county →	—	1	0	Aug 16, 1984
Montague county →	—	1	0	Mar 5, 1992

All 11 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
Midway	1	0
Navarro	1	0
Pecan Gap	1	0
Austin Chalk	1	0
Woodbine	1	0
Smackover	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
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

0: permitted itself
1: acquired from others
7: 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	8
Recompletion	0	0	3

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
O Brien (1950)66630500	1	0

P-5 organization report

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

Registration: Status code Y; Last filed Jul 6, 1998

Address: 330 Marshall Street Ste 700; Shreveport, LA 71101

Officers and agents: C. T. Corp. System · Texas Resident Agent; O'Brien, Morgan P. · President/Ceo; Stanfield, Martha D. · Secretary/Treasurer

Latest permits

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

Permit	Seen	Issued	Operator	County	Lease / well	Depth	API
438726	Aug 25, 1995	Aug 25, 1995	O'Brien Operating Company	Bowie	Beltex Lumber Company #1A	11,000	06730713
400689	Jul 15, 1992	Jul 15, 1992	Heartland Resources, Inc.	Milam	Caligula-Coffield #1	3,048	33131149
396773	Mar 5, 1992	Mar 5, 1992	O'Brien Operating Company	Montague	Gardner #1	6,500	33732907
388095	Jul 5, 1991	Jul 5, 1991	O'Brien Operating Company	Anderson	Bentley, A. R. #2	5,500	00132065
382335	Jan 8, 1991	Jan 8, 1991	O'Brien Operating Company	Anderson	Bentley, A. R. #1	5,500	00132004
339241	Nov 24, 1987	Nov 24, 1987	Heartland Resources, Inc.	Milam	Coffield, Caligula #1	3,040	33131149
299991	Mar 20, 1986	Mar 20, 1986	O'Brien Operating Company	Milam	Caligula-Coffield Unit No. 2 #1	2,500	33133042
284702	Sep 13, 1985	Sep 13, 1985	O'Brien Operating Company	Harrison	Taylor, T. J. Etal #1	7,000	20331313
284287	Sep 4, 1985	Sep 4, 1985	O'Brien Operating Company	Marion	Koisch, E. H. #1	6,600	31530680
278209	Jun 19, 1985	Jun 19, 1985	O'Brien Operating Company	Milam	Caligula-Coffield #1	3,048	33131149
264001	Dec 31, 1984	Dec 31, 1984	O'Brien Operating Company	Milam	Caligula-Coffield #1	3,048	33131149
248429	Aug 16, 1984	Aug 16, 1984	O'Brien Operating Company	Henderson	Larue, I. P. Jr. #1	5,500	21330441
220095	Nov 8, 1983	Nov 8, 1983	O'Brien Operating Company	Marion	Anthony, J. E. #1	6,600	31530637
129306	Aug 10, 1981	Aug 10, 1981	Energetics, Inc.	Milam	Caligula-Coffield #1	5,000	33131149

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/617515, documented in the API reference.