Petrora

OPERATORS · RRC 712525  · P-5 STATUS Y

Rio Expl Co

San Antonio, TX

Watch this operator

Rio Expl CO has filed no drilling permits in the past 12 months; its most recent permit was issued April 22, 2002.

The RRC wellbore file lists 29 wells under its operatorship.

122 drilling permits have been issued to this operator number since 1980; its P-5 organization report was last filed March 3, 2006.

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
0
producing wells, of 29 of record
7
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.

53%
spud rate · 65 of 122 mature permits
14
median days permit to spud · middle half 6–27
0
spuds, last 180 days
0%
cancelled · 0 permits
57
expired undrilled
6
permits a year over 22 active years

Where

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

County12 moAll timeWellsLast
Duval county →—4610May 14, 1990
Knox county →—123Dec 29, 1982
San Patricio county →—102Mar 16, 1987
Atascosa county →—84Sep 7, 1988
Runnels county →—60Mar 12, 1985
Webb county →—63Nov 12, 2001
Dimmit county →—50Apr 22, 2002
Live Oak county →—52Dec 28, 1990
McMullen county →—51Oct 30, 2000
Bee county →—32Feb 8, 1988
Jim Hogg county →—30Oct 13, 1986
Stonewall county →—30Jun 27, 1986
Jackson county →—20Jul 8, 1983
Karnes county →—20Mar 12, 1990
Zapata county →—20Nov 20, 1980
Goliad county →—11Mar 23, 1981
Kent county →—10Feb 10, 1984
LA Salle county →—10Apr 22, 2002
Tom Green county →—10May 16, 1984

All 122 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
Yegua180
Frio100
Vicksburg30
Olmos20
Carrizo20
Palo Pinto10
Catahoula10

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

29
on the schedule
0
producing
0
shut in
0
injection
0
temp. abandoned
28
plugged

How it got them

28
permitted itself
1
acquired from others
38
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 1
0
permitted bbl/day, active
0
bbl injected, last 12 reported months
Jun 2025
reported through

By county

Knox0 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
Drill00107
Recompletion0014
Other001

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
Kyote5046900140
Las Tiendas (Wilcox 3100)5221160020
Wilson-Tannehill (2300)9787637020
Cadena (Yegua 5500)1453773510
Graves-Peeler (Christine)3650033310
Karon (Hockley 2650)4814615010
Las Tiendas (Wilcox 3050)5221150010
L. O. C. (Tannehill)5053950010
Marsha5770500110
Mary East (Frio 3250 N.)5789733310
Berclair W. (Frio 2000)725817510
Pedro Conejo (Hockley)7019630010

P-5 organization report

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

Registration
Status code Y
Last filed Mar 3, 2006
Address
8700 Crownhill Blvd Ste 501
San Antonio, TX 78209
Officers and agents
Saunders, John T. Jr. · President/Secretary
Esquivel, Nelda A. · Manager

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
519282Apr 22, 2002Apr 22, 2002Rio Exploration CompanyDimmitShook Ranch #1303,40012733188
519281Apr 22, 2002Apr 22, 2002Rio Exploration CompanyLA SalleBiedenharn #16,45028331755
515261Nov 12, 2001Nov 12, 2001Rio Exploration CompanyWebbPalafox #11064,00047937981
513534Sep 12, 2001Sep 12, 2001Rio Exploration CompanyWebbPalafox #1424,00047937940
508625May 10, 2001May 10, 2001Rio Exploration CompanyDimmitShook #33,25012733179
508625May 10, 2001May 10, 2001Rio Exploration CompanyDimmitShook #33,60012733179
503372Dec 28, 2000Dec 28, 2000Rio Exploration CompanyDimmitShook #23,25012733173
501365Oct 30, 2000Oct 30, 2000Rio Exploration CompanyMcMullenWheeler-Dolan #16,10031133623
500749Oct 13, 2000Oct 13, 2000Rio Exploration CompanyWebbJJJ Ranch #33,85047937633
495404May 24, 2000May 24, 2000Rio Exploration CompanyWebbJJJ Ranch #23,95047937501
493020Mar 13, 2000Mar 13, 2000Rio Exploration CompanyWebbJJJ Ranch #13,95047937449
493020Mar 13, 2000Mar 13, 2000Rio Exploration CompanyWebbJJJ Ranch #13,95047937449
493019Mar 13, 2000Mar 13, 2000Rio Exploration CompanyMcMullenFranklin #15,80031133579
394428Dec 6, 1991Dec 6, 1991Rio Exploration CompanyMcMullenGraves Peeler Estate #26,25031132919
387825May 15, 1991May 15, 1991Rio Exploration CompanyMcMullenGraves Peeler Estate #16,50031132895

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/712525, documented in the API reference.