Petrora

OPERATORS · RRC 148123  · P-5 STATUS Y

Chi Oper, Inc

Midland, TX

Watch this operator

Chi Oper, Inc has filed no drilling permits in the past 12 months; its most recent permit was issued February 24, 2022.

The RRC wellbore file lists 55 wells under its operatorship (24 producing).

Lease reports credit it with 125K barrels of oil and 42.8K mcf of gas in the 12 months reported through April 2026, up 3% on the year before.

It holds 6 active disposal or injection permits, injecting 430K barrels in the 12 months reported through June 2025.

126 drilling permits have been issued to this operator number since 1985; its P-5 organization report was last filed April 4, 2026.

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
24
producing wells, of 55 of record
32
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.

75%
spud rate · 95 of 126 mature permits
64
median days permit to spud · middle half 28–121
0
spuds, last 180 days
0%
cancelled · 0 permits
31
expired undrilled
3
permits a year over 37 active years

Permits issued by month

LAST 1 MONTHS · BY ISSUE DATE

Last 12 months 1

01

Where

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

County12 moAll timeWellsLast
Hockley county →—4722Jun 30, 2015
Roberts county →—122Nov 15, 2011
Edwards county →—104Mar 3, 2006
Andrews county →—81Aug 24, 1990
Lipscomb county →—82Jun 21, 2008
Hansford county →—60Sep 23, 2008
Pecos county →—53May 8, 2014
Baylor county →—30Jul 6, 1994
Hardeman county →—30Dec 14, 1994
Ochiltree county →—30Jun 18, 2010
Upton county →—32Sep 3, 2020
Dawson county →—20Jan 18, 2000
Reagan county →—20Aug 22, 2005
Zavala county →—20Jan 30, 1995
Borden county →—10Dec 4, 1996
Crane county →—11Feb 24, 2022
Crockett county →—10May 25, 1988
Ector county →—10Sep 23, 1996
Howard county →—10Dec 11, 1991
Loving county →—10Apr 7, 1997
Menard county →—10Nov 5, 1991
Runnels county →—10Aug 20, 1986
Schleicher county →—11Jan 6, 1997
Stonewall county →—10Nov 25, 1985
Terry county →—10Feb 14, 2011
Ward county →—10Nov 15, 2000

All 126 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
San Andres250
Yates220
Tubb170
Glorieta140
Rustler130
Douglas80
Clear Fork60
Morrow50
Canyon40
Grayburg40
Tonkawa40
Cleveland40
Marmaton40
Atoka30
Devonian30

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 →

125K
bbl oil, last 12 reported months
+3%
vs the 12 months before
42.8K
mcf gas incl. casinghead, last 12
2.31M
bbl oil since reporting began

Oil, barrels

Last 12 months 124,956 · prior 12 121,335(+3%)

05K10K15K202420252026

Gas, mcf

Last 12 months 42,845 · prior 12 49,360(-13%)

02K4K6K202420252026

Beyond the permit record

RRC wellbore file

Wells of record

55
on the schedule
24
producing
0
shut in
3
injection
0
temp. abandoned
15
plugged

How it got them

35
permitted itself
19
acquired from others
26
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

6
active UIC permits of 7
10.8K
permitted bbl/day, active
430K
bbl injected, last 12 reported months
Jun 2025
reported through

By county

Hockley6 active10.8K 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
Drill00112
Reenter0011
Field transfer002
Recompletion001

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
Linker (Clear Fork)53759333224
Hoople (Clear Fork)424995001716
Epperson (Canyon Sand)2921020033
Wildcat2400130
Parsell South (Morrow Lower)6943181011
Pecos Valley (Devonian 5100)7012923210
Rudasill (Ellenberger)7883550010
Shreikey (Granite Wash)8345130010
Wiley (Tonkawa)9738750010
Cei (Devonian)1664115010
Wolfbone (Trend Area)9835980010
Cody Bell (Canyon)1930318010

P-5 organization report

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

Registration
Status code Y
Last filed Apr 4, 2026
Gas operatorOil operator
Address
PO Box 1799
Midland, TX 79702
(432) 557-8773
Officers and agents
Bergman, William R. · President
Welch, Dana · Secretary,treasurer

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
876748Feb 24, 2022Feb 24, 2022Chi Operating, Inc.CraneMilburn #17,00010336970
864916Sep 3, 2020Sep 3, 2020Chi Operating, Inc.UptonXTO King #14,20046141571
799782Jun 30, 2015Jun 30, 2015Chi Operating, Inc.HockleyPost Montgomery LO CLF Wfu #50018,30021937350
799579Jun 30, 2015Jun 30, 2015Chi Operating, Inc.HockleyPost Montgomery LO CLF Wfu #15078,30021937349
802899Jun 25, 2015Jun 25, 2015Chi Operating, Inc.HockleyPost Montgomery Lo.clfk WF Unit #50048,30021937353
780996May 8, 2014May 8, 2014Chi Operating, Inc.PecosStroman 526 #110,00037131048
776138Feb 18, 2014Feb 18, 2014Chi Operating, Inc.PecosStroman 17 #110,00037139144
776138Feb 18, 2014Feb 18, 2014Chi Operating, Inc.PecosStroman 17 #110,50037139144
736482Apr 3, 2012Apr 3, 2012Chi Operating, Inc.HockleyMontgomery 15 #68,30021937239
736482Apr 3, 2012Apr 3, 2012Chi Operating, Inc.HockleyMontgomery 15 #68,30021937239
734389Mar 7, 2012Mar 7, 2012Chi Operating, Inc.HockleyMontgomery 1 #18,30021937234
728167Nov 15, 2011Nov 15, 2011Chi Operating, Inc.RobertsHaggard 1 #610,30039332407
728167Nov 15, 2011Nov 15, 2011Chi Operating, Inc.RobertsHaggard 1 #610,80039332407
728167Nov 15, 2011Nov 15, 2011Chi Operating, Inc.RobertsHaggard 1 #610,80039332407
713394Nov 14, 2011Nov 14, 2011Chi Operating, Inc.HockleyET al 6 #5W8,30021937196

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/148123, documented in the API reference.