Petrora

OPERATORS · RRC 125940  · P-5 STATUS Y

Caloco Engy, Inc

Dallas, TX

Watch this operator

Caloco Engy, Inc has filed no drilling permits in the past 12 months; its most recent permit was issued March 25, 1992.

The RRC wellbore file lists 46 wells under its operatorship (2 shut in).

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

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
0
producing wells, of 46 of record
4
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.

19%
spud rate · 5 of 27 mature permits
9
median days permit to spud · middle half 0–19
0
spuds, last 180 days
0%
cancelled · 0 permits
22
expired undrilled
4
permits a year over 7 active years

Where

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

County12 moAll timeWellsLast
Shackelford county →—1944Sep 14, 1987
Fayette county →—40Mar 25, 1992
Jones county →—20Sep 11, 1989
Lee county →—10Mar 3, 1992
Wilson county →—11Oct 25, 1990

All 27 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
Tannehill50
Austin Chalk40
Navarro30
Pecan Gap30
Saddle Creek30
Midway20
Buda10

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

46
on the schedule
0
producing
2
shut in
0
injection
0
temp. abandoned
29
plugged

How it got them

1
permitted itself
12
acquired from others
20
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 12
0
permitted bbl/day, active
0
bbl injected, last 12 reported months
Jun 2025
reported through

By county

Shackelford0 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
Drill0026
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
Shackelford County Regular82522001430
Giddings (Austin Chalk-3)3473350010
Roark (Tannehill)7714850010
Stockdale S. (Austin Chalk)8622440010

P-5 organization report

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

Registration
Status code Y
Last filed Feb 4, 2026
Oil operator
Address
P.O. Box 181505
Dallas, TX 75218
Officers and agents
Wallen, Calvin III · President
Wallen, Joe F. · Vice President

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
396965Mar 25, 1992Mar 25, 1992Caloco Energy, Inc.FayetteShowdown/Ledbetter #1 HH13,70014932593
397191Mar 3, 1992Mar 3, 1992Caloco Energy, Inc.LeeShowdown/Thompson #1 HH12,30028732332
394447Nov 26, 1991Nov 26, 1991Caloco Energy, Inc.FayetteShowdown/Andrew Pietsch #1 HH12,00014932547
394447Nov 26, 1991Nov 26, 1991Caloco Energy, Inc.FayetteShowdown/Andrew Pietsch #1 HH12,00014932547
392797Oct 11, 1991Oct 11, 1991Caloco Energy, Inc.FayetteSchulz/Pietsch #1H12,00014932524
380093Oct 25, 1990Oct 25, 1990Caloco Energy, Inc.WilsonUsquaebach #1HH6,60049331685
363553Sep 11, 1989Sep 11, 1989Caloco Energy, Inc.JonesManley Turst #15,00025333810
335841Sep 14, 1987Sep 14, 1987Caloco Energy, Inc.ShackelfordDawson & Conway "161L" #32,00041737095
331827Jun 22, 1987Jun 22, 1987Caloco Energy, Inc.JonesManley Trust #15,00025333611
300546Apr 3, 1986Apr 3, 1986Caloco Energy, Inc.ShackelfordNail "150" A #31,85041736859
300149Mar 25, 1986Mar 25, 1986Caloco Energy, Inc.ShackelfordNail 150 E #22,00041736855
298977Mar 5, 1986Mar 5, 1986Caloco Energy, Inc.ShackelfordNail 126 #462,00041733773
298078Feb 20, 1986Feb 20, 1986Caloco Energy, Inc.ShackelfordNail 149B #32,00041736824
293425Dec 20, 1985Dec 20, 1985Caloco Energy, Inc.ShackelfordNail "126" W #12,00041736731
292821Dec 13, 1985Dec 13, 1985Caloco Energy, Inc.ShackelfordNail "126" X #12,00041736716

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/125940, documented in the API reference.