OPERATORS · RRC 157689  · P-5 STATUS Y

Clark Oil Co.

Clark Oil CO. has filed no drilling permits in the past 12 months.

The RRC wellbore file lists 256 wells under its operatorship (164 producing, 10 shut in).

Lease reports credit it with 63.5K barrels of oil and 46.1K mcf of gas in the 12 months reported through April 2026, down 1% on the year before.

It holds 42 active disposal or injection permits, injecting 2.81M barrels in the 12 months reported through June 2025.

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
164
producing wells, of 256 of record
37
leases it reports
—
horizontal, 12 months

WINDOWS ON THE RRC ISSUE DATE · COMPUTED OCT 29, 2026

Where

No permits on file under this operator number. Counties of its wells of record, from the RRC wellbore file.

CountyWellsProducing
Crockett county →13971
Pecos county →11793

All 0 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
No completion tops on file.

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 →

63.5K
bbl oil, last 12 reported months
-1%
vs the 12 months before
46.1K
mcf gas incl. casinghead, last 12
852K
bbl oil since reporting began

Oil, barrels

Last 12 months 63,523 · prior 12 64,008(-1%)

05K10K202420252026

Gas, mcf

Last 12 months 46,064 · prior 12 1,017(+4429%)

02K4K6K202420252026

Beyond the permit record

RRC wellbore file

Wells of record

256
on the schedule
164
producing
10
shut in
22
injection
0
temp. abandoned
42
plugged

How it got them

0
permitted itself
139
acquired from others
0
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

42
active UIC permits of 56
147K
permitted bbl/day, active
2.81M
bbl injected, last 12 reported months
Jun 2025
reported through

By county

Crockett31 active141K bbl/d
Pecos11 active5.25K bbl/d

Permitted volume is a ceiling, not throughput. How to read it →

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
Shannon (San Andres)826635689747
Millard (Queen)614405006243
Yates (Smith Sand)992953335550
Clara Couch185000013017
Noelke (Clear Fork)6567409076
Shannon (Seven Rivers)8266362540
Halff3815600111

P-5 organization report

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

Registration
Status code Y
Last filed Jul 4, 2026
Gas operatorOil operator
Address
PO Box 600026
Dallas, TX 75360
(432) 290-4220
Officers and agents
Clark, Richard W · President
Collins, Douglas Ray · Partner
Collins, Sheldon Lee · Partner
Pearson, Ross Eric · Vice President

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
828152Jul 7, 2017Jul 7, 2017Reliance Energy, Inc.CrockettHalff 65 #54,25010542415
821764Jan 10, 2017Jan 10, 2017Reliance Energy, Inc.CrockettHalff 64 #24,25010542354
817488Sep 23, 2016Sep 23, 2016Reliance Energy, Inc.CrockettHalff 65 #44,00010542333
813410Jan 22, 2016Jan 22, 2016Reliance Energy, Inc.CrockettHalff 64 #14,25010542320
808925Jul 31, 2015Jul 31, 2015Reliance Energy, Inc.CrockettHalff 65 #34,00010542290
806753May 22, 2015May 22, 2015Reliance Energy, Inc.CrockettHalff 65 #24,00010542252
800660Nov 21, 2014Nov 21, 2014Blackbeard Operating, LLCCrockettDead Man Canyon #12,60010542178
786122Jun 9, 2014Jun 9, 2014Reliance Energy, Inc.CrockettHalff 66 #18,00010542057
767139Jul 30, 2013Jul 30, 2013Griffin Petroleum CompanyPecosAshlee #2352537139106
767139Jul 30, 2013Jul 30, 2013Griffin Petroleum CompanyPecosAshlee #2357537139106
756994Feb 28, 2013Feb 28, 2013Griffin Petroleum CompanyPecosLeslie #1690037139043
756986Feb 25, 2013Feb 25, 2013Griffin Petroleum CompanyPecosRidge #1390037139041
756800Feb 19, 2013Feb 19, 2013Griffin Petroleum CompanyPecosRidge #1290037139035
755337Jan 28, 2013Jan 28, 2013Griffin Petroleum CompanyPecosRidge #1190037139030
752986Dec 18, 2012Dec 18, 2012Griffin Petroleum CompanyPecosLeslie #1560037139022

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/157689, documented in the API reference.