OPERATORS · RRC 388776 · P-5 STATUS Y

Hillin-Simon Oil Co

Houston, TX

Hillin-Simon Oil CO has filed no drilling permits in the past 12 months; its most recent permit was issued July 21, 1997.

The RRC wellbore file lists 7 wells under its operatorship.

53 drilling permits have been issued to this operator number since 1982; its P-5 organization report was last filed March 6, 2015.

0: permits, last 12 months
—: vs prior 12 months (0)
0: counties, 12 months
0: producing wells, of 7 of record
5: 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.

58%: spud rate · 31 of 53 mature permits
19: median days permit to spud · middle half 8–28
0: spuds, last 180 days
0%: cancelled · 0 permits
22: expired undrilled
4: permits a year over 15 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
Winkler county →	—	41	2	Mar 21, 1991
Crane county →	—	6	0	Dec 9, 1985
Coke county →	—	1	0	May 17, 1983
Dawson county →	—	1	1	Apr 30, 1993
Fayette county →	—	1	0	Jul 21, 1997
Gaines county →	—	1	0	Apr 10, 1985
Pecos county →	—	1	0	Nov 15, 1985
Wood county →	—	1	1	Nov 15, 1991

All 53 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	38	0
Queen	12	0
Tansill	10	0
Seven Rivers	7	0
San Andres	5	0
Wichita-Albany	3	0
Tubb	3	0
Devonian	3	0
Glorieta	2	0
Silurian (undifferentiated)	2	0
Rustler	1	0
Montoya	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
162K: 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

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

How it got them

1: permitted itself
5: acquired from others
42: 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 18
0: permitted bbl/day, active
0: bbl injected, last 12 reported months
Jun 2025: reported through

By county

Winkler

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	42
Recompletion	0	0	6
Reenter	0	0	5

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
Spraberry (Trend Area)85279200	2	0
Cmi (Spraberry)14328500	1	0
Emperor Deep (Yates)28962500	1	0
Fernandes (Yates)30699800	1	0
Hawkins NE. (Subclarksville)39727500	1	0
Keystone (Yates)49129924	1	0

P-5 organization report

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

Registration: Status code Y; Last filed Mar 6, 2015

Address: 127 Fawnlake Drive; Houston, TX 77079

Officers and agents: Hillin, Robert K. · Joint Venturer; Hillin, PJ · Joint Venturer

Latest permits

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

Permit	Seen	Issued	Operator	County	Lease / well	Depth	API
463499	Jul 21, 1997	Jul 21, 1997	Hillin-Simon Oil Company	Fayette	Ullrich, Richard C. #1	8,200	14931254
411106	Apr 30, 1993	Apr 30, 1993	Hillin-Simon Oil Company	Dawson	Patrick Petroleum - Hogg "20" #1	9,000	11532757
393879	Nov 15, 1991	Nov 15, 1991	Hillin-Simon Oil Company	Wood	Davis Gas Unit #1	9,500	49931765
385806	Mar 21, 1991	Mar 21, 1991	Hillin-Simon Oil Company	Winkler	KCC State #1701	3,000	49532366
385074	Feb 28, 1991	Feb 28, 1991	Hillin-Simon Oil Company	Winkler	Clapp 26 -A- #3	3,500	49532364
385073	Feb 28, 1991	Feb 28, 1991	Hillin-Simon Oil Company	Winkler	Clapp 26 -A- #2	3,500	49532363
381268	Nov 26, 1990	Nov 26, 1990	Hillin-Simon Oil Company	Winkler	Keystone -14- #1	4,711	49531955
379489	Oct 19, 1990	Oct 19, 1990	Hillin-Simon Oil Company	Winkler	Clapp 26 -A- #1	3,500	49532348
372790	May 2, 1990	May 2, 1990	Hillin-Simon Oil Company	Winkler	Galaxy -37- #1	3,000	49532329
371283	Mar 23, 1990	Mar 23, 1990	Hillin-Simon Oil Company	Winkler	Hendrick J #2	3,200	49532323
370274	Feb 28, 1990	Feb 28, 1990	Hillin-Simon Oil Company	Winkler	Hendrick J #1	3,200	49500125
370273	Feb 28, 1990	Feb 28, 1990	Hillin-Simon Oil Company	Winkler	Hendrick 46 #2	3,100	49532319
364956	Oct 12, 1989	Oct 12, 1989	Hillin-Simon Oil Company	Winkler	Cummins -11- A #5	3,250	49532285
361647	Jul 17, 1989	Jul 17, 1989	Hillin-Simon Oil Company	Winkler	Cowden, E. W. #A 9	3,200	49532273
361646	Jul 17, 1989	Jul 17, 1989	Hillin-Simon Oil Company	Winkler	Cummins -11- #4	3,250	49532274

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/388776, documented in the API reference.