OPERATORS · TEXAS · P-5 NUMBER 157689

Clark Oil Co.

P-5 status
Active (A)
P-5 last filed
Oct 14, 2025
Based in
Dallas, TX

Petrora groups this registration with Clark Oil Company, Texas (0 active wells). Clark Oil Co. across every state →

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

The RRC wellbore file lists 359 wells under its operatorship (224 producing, 40 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
224
producing wells, of 359 of record
37
leases it reports
—
horizontal, 12 months

WINDOWS ON THE RRC ISSUE DATE · COMPUTED NOV 8, 2026

Permits issued by month

LAST 60 MONTHS · BY ISSUE DATE

Last 12 months 0 · prior 12 0

0120222023202420252026

Counties

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

CountyWellsProducing
Crockett county →239129
Pecos county →12095

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

12 months through Apr 2026 63,523 · prior 12 64,011(-1%)

05K10K2017201820192020202120222023202420252026

Clark Oil Co.: Oil by month.

Beyond the permit record

RRC wellbore file

Wells of record

359
in the wellbore file, 304 on schedule
224
producing
40
shut in
39
injection
1
temp. abandoned
51
plugged

How it got them

0
permitted itself
172
acquired from others
0
permitted, now run by others

Each count opens the wells it counts. Acquired means the well's permit names a different operator than the schedule does today; wells it permitted that others now run are in its permit history, marked with who runs them now. 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

All 56 permits, with volumes → · On the map →

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)82663568193103
Millard (Queen)614405006344
Yates (Smith Sand)992953335751
Clara Couch185000013018
Noelke (Clear Fork)6567409087
Shannon (Seven Rivers)8266362540
Shannon8266300120
Halff3815600111
Double R (Soma)2571060010

P-5 organization report

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

Registration
Status Active (A)
Last filed Oct 14, 2025
Gas operatorOil operator
Address
PO Box 600026
Dallas, TX 75360
(469) 995-0425
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

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 by the operator that filed them, through the statewide reported-through month; disposal from UIC permits and H-10 reports. Oil includes condensate from gas leases and gas includes casinghead gas from oil leases, as the RRC totals them. Summary figures are rebuilt nightly. Nothing is estimated.

Developers: this page as JSON is GET /v1/data/operators/tx/157689, documented in the API reference.