OPERATORS · RRC 251980 · P-5 STATUS Y

Zider Res Inc

Houston, TX

Zider Res Inc has filed no drilling permits in the past 12 months; its most recent permit was issued July 30, 1985.

The RRC wellbore file lists 87 wells under its operatorship.

272 drilling permits have been issued to this operator number since 1977; its P-5 organization report was last filed February 15, 1986.

0: permits, last 12 months
—: vs prior 12 months (0)
0: counties, 12 months
0: producing wells, of 87 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.

31%: spud rate · 85 of 272 mature permits
26: median days permit to spud · middle half 8–50
0: spuds, last 180 days
1%: cancelled · 4 permits
183: expired undrilled
30: permits a year over 9 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
Reagan county →	—	44	4	Jun 11, 1985
Coke county →	—	23	0	May 14, 1985
Irion county →	—	21	5	Jul 30, 1985
Pecos county →	—	20	0	Jul 2, 1980
LA Salle county →	—	17	0	Apr 11, 1985
Gonzales county →	—	11	2	Jul 11, 1985
Frio county →	—	10	0	Mar 22, 1985
Garza county →	—	10	0	May 14, 1985
Fayette county →	—	7	3	Apr 17, 1981
Live Oak county →	—	7	0	Feb 6, 1980
Nueces county →	—	7	4	Nov 1, 1983
Rusk county →	—	7	0	May 10, 1983
Schleicher county →	—	7	1	Jan 4, 1982
Upton county →	—	6	1	May 21, 1981
Bee county →	—	4	0	Dec 5, 1983
DE Witt county →	—	4	0	Sep 23, 1981
Kent county →	—	4	0	Sep 8, 1981
Matgrda IS-SB county →	—	4	0	Jan 21, 1982
Freestone county →	—	3	0	Jul 30, 1985
Gaines county →	—	3	0	Jun 29, 1981
Matagorda county →	—	3	8	Sep 25, 1980
Matgrda IS-LB county →	—	3	0	Aug 30, 1982
Starr county →	—	3	7	Jul 13, 1983
Tom Green county →	—	3	1	Jun 19, 1985
Ward county →	—	3	3	Aug 15, 1984
Wise county →	—	3	1	Jul 24, 1981
Yoakum county →	—	3	3	Mar 7, 1983
Borden county →	—	2	1	Jul 21, 1981
Brazoria county →	—	2	0	Nov 17, 1977
Gregg county →	—	2	0	Nov 28, 1984
Hardin county →	—	2	0	Jun 23, 1981
Hidalgo county →	—	2	0	Apr 24, 1985
King county →	—	2	0	Dec 28, 1984
Motley county →	—	2	0	Aug 14, 1981
Mustang IS-LB county →	—	2	0	Sep 2, 1981
Roberts county →	—	2	1	Feb 17, 1981
Smith county →	—	2	0	Apr 16, 1982
Victoria county →	—	2	1	Mar 13, 1984
Colorado county →	—	1	1	Oct 19, 1977
Culberson county →	—	1	0	Jun 24, 1980
Glasscock county →	—	1	0	Oct 4, 1979
Jefferson county →	—	1	0	Feb 10, 1978
Knox county →	—	1	0	Apr 10, 1981
Reeves county →	—	1	0	Nov 21, 1984
Robertson county →	—	1	0	Jun 13, 1985
Walker county →	—	1	1	Jul 14, 1982
Webb county →	—	1	1	Mar 21, 1978
Wilbarger county →	—	1	0	Mar 24, 1983

All 272 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
Spraberry	15	0
Dean	14	0
Austin Chalk	14	0
Pecan Gap	12	0
Eagle Ford	11	0
Strawn	11	0
Buda	11	0
Georgetown	9	0
Del Rio	9	0
Clear Fork	8	0
San Andres	8	0
Coleman Junction	7	0
Yates	6	0
Rustler	6	0
Toborg	5	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

87: on the schedule
0: producing
0: shut in
0: injection
0: temp. abandoned
42: plugged

How it got them

15: permitted itself
1: acquired from others
167: 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 5
0: permitted bbl/day, active
0: bbl injected, last 12 reported months
Jun 2025: reported through

By county

Shackelford	0 active	0 bbl/d
Reagan	0 active	0 bbl/d
Starr	0 active	0 bbl/d
Yoakum	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	224
Recompletion	0	0	40
Other	0	0	8

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
Fulton Beach (B-3-8)33297550	16	0
Spraberry (Trend Area)85279200	5	0
Lockhart (4400)54312940	4	0
Palacios (Melbourn E-4 Seg E)68481819	4	0
Brahaney (Miss.)11308333	3	0
Giddings (Austin Chalk-3)34733500	3	0
Byrd14155001	3	0
Seabrook (F- 8)81870415	3	0
Sugg North (Clear Fork)87010250	3	0
Palacios (Melbourn E-3 Seg C)68481567	2	0
Red Fish Bay-Mus. IS (Common 10)75220500	2	0
Ackerly (Dean Sand)448200	2	0

P-5 organization report

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

Registration: Status code Y; Last filed Feb 15, 1986

Address: 12700 Northborough Dr, Ste 400; Houston, TX 77067

Officers and agents: Mandigo, Clark R. · President; Orr, Reg · Vice President; Volk, Richard W. · Chairman

Latest permits

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

Permit	Seen	Issued	Operator	County	Lease / well	Depth	API
506850	Mar 22, 2001	Mar 22, 2001	Prize Operating Company	Schleicher	Williams, R. S. 'B' #5	6,400	41331174
281374	Jul 30, 1985	Jul 30, 1985	Energy Reserves Group, Inc.	Irion	Murphey, Elta #2	6,500	23532634
281667	Jul 30, 1985	Jul 30, 1985	Energy Reserves Group, Inc.	Freestone	Teague West Gas Unit #2 #3	8,500	16131021
279837	Jul 11, 1985	Jul 11, 1985	Energy Reserves Group, Inc.	Gonzales	Riedel, Billye JO et AL #1	11,506	17731172
278096	Jun 19, 1985	Jun 19, 1985	Energy Reserves Group, Inc.	Tom Green	McLaughlin #2	450	45131597
277628	Jun 13, 1985	Jun 13, 1985	Energy Reserves Group, Inc.	Robertson	G.B. Weir Unit #1	9,200	39530334
277419	Jun 11, 1985	Jun 11, 1985	Energy Reserves Group, Inc.	Reagan	Ricker "J" #3	7,750	38333496
276235	May 24, 1985	May 24, 1985	Energy Reserves Group, Inc.	Reagan	Ricker "G" #2	7,750	38333482
276234	May 24, 1985	May 24, 1985	Energy Reserves Group, Inc.	Reagan	Ricker "B" #2	7,750	38333481
275982	May 24, 1985	May 24, 1985	Energy Reserves Group, Inc.	Reagan	Cook, Thomas E. #3	7,750	38333474
276151	May 24, 1985	May 24, 1985	Energy Reserves Group, Inc.	Reagan	Ricker "P" #2	7,750	38333480
275174	May 14, 1985	May 14, 1985	Energy Reserves Group, Inc.	Garza	Richardson Unit #8	4,000	16932587
275096	May 14, 1985	May 14, 1985	Energy Reserves Group, Inc.	Coke	Chappell, J. E. "A" #27	6,800	08131338
275094	May 14, 1985	May 14, 1985	Energy Reserves Group, Inc.	Coke	Chappell, J. E. "A" #26	6,800	08131337
275092	May 14, 1985	May 14, 1985	Energy Reserves Group, Inc.	Coke	Chappell, J. E. "A" #25	6,800	08131336

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/251980, documented in the API reference.