OPERATORS · RRC 876900 · P-5 STATUS Y

Union Seaboard Corp

Houston, TX

Union Seaboard Corp has filed no drilling permits in the past 12 months; its most recent permit was issued May 4, 1988.

The RRC wellbore file lists 8 wells under its operatorship.

9 drilling permits have been issued to this operator number since 1981; its P-5 organization report was last filed February 4, 2022.

0: permits, last 12 months
—: vs prior 12 months (0)
0: counties, 12 months
0: producing wells, of 8 of record
1: 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.

33%: spud rate · 3 of 9 mature permits
57: median days permit to spud · middle half 30–58
0: spuds, last 180 days
0%: cancelled · 0 permits
5: expired undrilled
1: permits a year over 8 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
Kent county →	—	2	0	Jun 20, 1983
Pecos county →	—	2	0	Apr 12, 1983
Chambers county →	—	1	0	May 4, 1988
Gaines county →	—	1	2	Sep 17, 1985
Garza county →	—	1	0	Feb 29, 1984
Tom Green county →	—	1	0	Jul 27, 1981
Yoakum county →	—	1	0	Jan 27, 1981

All 9 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
Yates	2	0
Frio	1	0
San Andres	1	0
Wolfcamp	1	0
Tansill	1	0
Santa Rosa	1	0
Strawn	1	0
Mississippian	1	0
Ellenburger	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
428K: 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

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

How it got them

1: permitted itself
4: acquired from others
3: 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 15
0: permitted bbl/day, active
0: bbl injected, last 12 reported months
Jun 2025: reported through

By county

Chambers	0 active	0 bbl/d
Andrews	0 active	0 bbl/d
Glasscock	0 active	0 bbl/d
Hardin	0 active	0 bbl/d
Harris	0 active	0 bbl/d
Tom Green	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	5
Other	0	0	2
Reenter	0	0	1
Recompletion	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
Saratoga West81063001	6	0
Jenkins (San Andres)46132500	2	0

P-5 organization report

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

Registration: Status code Y; Last filed Feb 4, 2022

Address: 11215 Montebello Court; Houston, TX 77024; (281) 799-2837

Officers and agents: Espey, Lin G. · President; Espey, William P · 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
346015	May 4, 1988	May 4, 1988	Union Seaboard Corporation	Chambers	Higgins #12	5,812	07100586
285161	Sep 17, 1985	Sep 17, 1985	Union Seaboard Corporation	Gaines	Dulaney #2301	5,000	16533368
268960	Mar 7, 1985	Mar 7, 1985	Patterson Petroleum, Inc.	Gaines	Woodruff, Peane #1	5,100	16533182
231015	Feb 29, 1984	Feb 29, 1984	Union Seaboard Corporation	Garza	McCrary #1291	7,900	16932269
198805	Jun 20, 1983	Jun 20, 1983	Union Seaboard Corporation	Kent	Johnson #2901	7,800	26330962
191321	Apr 12, 1983	Apr 12, 1983	Union Seaboard Corporation	Pecos	University 165 #4	2,716	37133821
164493	Jun 23, 1982	Jun 23, 1982	Union Seaboard Corporation	Kent	Johnson #1	7,900	26330863
154675	Mar 25, 1982	Mar 25, 1982	Union Seaboard Corporation	Pecos	University 165 #4	2,800	37133821
127005	Jul 27, 1981	Jul 27, 1981	Union Seaboard Corporation	Tom Green	Brewer #2	5,100	45130796
107909	Jan 27, 1981	Jan 27, 1981	Union Seaboard Corporation	Yoakum	Dorton Estate #1-D	7,100	50101061
37729	Nov 29, 1978	Nov 29, 1978	Houston Domestic Oil Company	Hardin	Smith, J. T. #2-D	7,646	19901673
1112	Jun 20, 1977	Jun 20, 1977	Houston Domestic Oil Company	Hardin	Smith, J. T. #2-S	3,939	19901699
1110	Jun 20, 1977	Jun 20, 1977	Houston Domestic Oil Company	Hardin	Smith, J. T. #1-D	7,228	19901672

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/876900, documented in the API reference.