Petrora

OPERATORS · RRC 149454  · P-5 STATUS Y

Chisholm Oper, Inc

Abilene, TX · most active in Knox County

Watch this operator

Chisholm Oper, Inc was issued 2 drilling permits in the past 12 months, after a quiet prior year, across 2 counties led by Knox with 1. 0% were horizontal.

None were issued in the past 90 days.

The RRC wellbore file lists 84 wells under its operatorship (11 producing, 13 shut in).

Lease reports credit it with 26.2K barrels of oil and 33.2K mcf of gas in the 12 months reported through April 2026, down 20% on the year before.

It holds 10 active disposal or injection permits, injecting 302K barrels in the 12 months reported through June 2025.

194 drilling permits have been issued to this operator number since 2001; its P-5 organization report was last filed July 4, 2026.

2
permits, last 12 months
—
vs prior 12 months (0)
2
counties, 12 months
11
producing wells, of 84 of record
62
leases it reports
0%
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.

84%
spud rate · 163 of 194 mature permits
21
median days permit to spud · middle half 8–43
0
spuds, last 180 days
0%
cancelled · 0 permits
31
expired undrilled
7
permits a year over 26 active years

Permits issued by month

LAST 4 MONTHS · BY ISSUE DATE

Last 12 months 4

0120232026

Where

Counties by permits in the last 12 months, with all-time permits and current wells of record there.

County12 moAll timeWellsLast
Stonewall county →175Jan 26, 2026
Knox county →110Mar 12, 2026
Dickens county →—6530Aug 28, 2018
Callahan county →—3012Feb 27, 2013
Nolan county →—2512Aug 29, 2018
Foard county →—182Sep 9, 2014
Taylor county →—158Jul 14, 2023
Runnels county →—127Feb 28, 2008
Haskell county →—43Oct 25, 2017
Kent county →—40Mar 6, 2015
Menard county →—40Mar 9, 2004
Schleicher county →—42Sep 1, 2015
Eastland county →—20Nov 2, 2005
Jones county →—20Jul 10, 2001
Coleman county →—10Aug 8, 2022

All 194 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 →

FormationWellsPermitted last 3 yrs
Tannehill320
Coleman Junction260
Caddo140
Ellenburger100
Cisco90
Strawn80
Palo Pinto70
Barnett40
Canyon30
Duffer30
Saddle Creek10
Smithwick10
Gunsight10

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 →

26.2K
bbl oil, last 12 reported months
-20%
vs the 12 months before
33.2K
mcf gas incl. casinghead, last 12
3.13M
bbl oil since reporting began

Oil, barrels

Last 12 months 26,204 · prior 12 32,661(-20%)

02K4K202420252026

Gas, mcf

Last 12 months 33,216 · prior 12 43,016(-23%)

02K4K6K202420252026

Beyond the permit record

RRC wellbore file

Wells of record

84
on the schedule
11
producing
13
shut in
3
injection
0
temp. abandoned
44
plugged

How it got them

72
permitted itself
12
acquired from others
69
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

10
active UIC permits of 28
10.4K
permitted bbl/day, active
302K
bbl injected, last 12 reported months
Jun 2025
reported through

By county

Dickens8 active7.9K bbl/d
Stonewall1 active1.5K bbl/d
Nolan1 active1K bbl/d
Runnels0 active0 bbl/d
Callahan0 active0 bbl/d
Foard0 active0 bbl/d
Schleicher0 active0 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 →

Type12 moPrior 12All time
Drill10167
Reenter1014
Recompletion0011
Field transfer002

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.

FieldWellsProducing
Grand Old Oplin (Gray)36353400114
Road Bend (Tannehill)7710238080
Soggy Bottom (Croton)8449107581
Trifecta (Tannehill)9120738060
P. W. C. (Serratt)6825525060
Trifecta (Croton Lime)9120707551
Wildcat2000130
Corsica (Bend Conglomerate)2080325031
Hrubetz (Tannehill)4307360030
Cardon (Lake Sand)1562050030
Britni Ann (Ellenburger)1204725020
Rasberry (Caddo 6100)7476550020

P-5 organization report

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

Registration
Status code Y
Last filed Jul 4, 2026
Oil operator
Address
5701 Buffalo Gap RD Ste B
Abilene, TX 79606
(325) 668-6166
Officers and agents
Schroeder, Charles E III · President,secretary

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
913883Mar 12, 2026Mar 12, 2026Chisholm Operating, Inc.KnoxBeavers #15,93327500649
913073Jan 26, 2026Jan 26, 2026Chisholm Operating, Inc.StonewallSalt Creek #13,99043334258
891877Jul 14, 2023Jul 14, 2023Chisholm Operating, Inc.TaylorRichardson #114,30044101227
882538Aug 8, 2022Aug 8, 2022Chisholm Operating, Inc.ColemanFinley #14,30008336269
868323Mar 24, 2021Mar 24, 2021Chisholm Operating, Inc.TaylorRichardson #104,60044134639
864861Aug 27, 2020Aug 27, 2020Chisholm Operating, Inc.TaylorRichardson #94,80044134630
864204Jul 13, 2020Jul 13, 2020Chisholm Operating, Inc.TaylorRichardson #74,80044134629
864203Jul 13, 2020Jul 13, 2020Chisholm Operating, Inc.TaylorRichardson #64,60044134628
864203Jul 13, 2020Jul 13, 2020Chisholm Operating, Inc.TaylorRichardson #64,99944134628
864202Jul 13, 2020Jul 13, 2020Chisholm Operating, Inc.TaylorRichardson #84,60044134627
863891Jun 12, 2020Jun 12, 2020Chisholm Operating, Inc.TaylorRichardson #54,70044134626
862604Mar 10, 2020Mar 10, 2020Chisholm Operating, Inc.TaylorRichardson #44,70044134622
860652Jan 10, 2020Jan 10, 2020Chisholm Operating, Inc.TaylorRichardson #24,70044134619
855160Jul 18, 2019Jul 18, 2019Chisholm Operating, Inc.TaylorRichardson #14,60044134608
855160Jul 18, 2019Jul 18, 2019Chisholm Operating, Inc.TaylorRichardson #14,60044134608

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/149454, documented in the API reference.