Petrora

OPERATORS · RRC 710900  · P-5 STATUS Y

Riddle Engineering Corp

Corpus Christ, TX

Watch this operator

Riddle Engineering Corp has filed no drilling permits in the past 12 months; its most recent permit was issued October 1, 2009.

The RRC wellbore file lists 18 wells under its operatorship.

21 drilling permits have been issued to this operator number since 2002; its P-5 organization report was last filed October 7, 2011.

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
0
producing wells, of 18 of record
36
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.

71%
spud rate · 15 of 21 mature permits
39
median days permit to spud · middle half 33–94
0
spuds, last 180 days
0%
cancelled · 0 permits
6
expired undrilled
3
permits a year over 8 active years

Where

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

County12 moAll timeWellsLast
Hidalgo county →—73May 1, 2009
Bee county →—40Apr 11, 2006
Refugio county →—40Oct 11, 2008
DE Witt county →—22Oct 1, 2009
Lavaca county →—24May 27, 2003
Live Oak county →—20Jul 8, 2004

All 21 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
Catahoula20
Wilcox10
Queen City10
Vicksburg10
Frio10

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
101K
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

18
on the schedule
0
producing
0
shut in
0
injection
0
temp. abandoned
18
plugged

How it got them

5
permitted itself
9
acquired from others
9
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 2
0
permitted bbl/day, active
0
bbl injected, last 12 reported months
Jun 2025
reported through

By county

Hidalgo0 active0 bbl/d
Webb0 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
Recompletion0010
Drill009
Reenter001
Field transfer001

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
Loma Novia NE. (Wilcox)5450949830
Ezzell S. (Frio 2800)2984240020
Bloomberg (Sullivan 4000)964656810
Bloomberg West (5500)965150010
Davis (Hinnant 1ST)2337912110
Davis (Puig)2337942610
Dornburg (Reklaw 1E)2547240010
George Buck (4TH Hinnant)3444540010
Helen Gohlke W. (Yegua)4023968410
Los Rubios E. (Bandera)5500520010
Muskogee (Wilcox B )6406247510
Speaks N. (2800 SD)8498069010

P-5 organization report

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

Registration
Status code Y
Last filed Oct 7, 2011
Address
802 N Carancahua St Suite 1800
Corpus Christ, TX 78401
Officers and agents
Riddle, Eduardo A. · President
Riddle, Gloria V. · Vice President/Secretary/Treasur

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
685678Oct 1, 2009Oct 1, 2009Riddle Engineering Corp.DE WittMatthew Estate #15,50012331911
680736May 1, 2009May 1, 2009Riddle Engineering Corp.HidalgoGarcia Morse Unit #15,03021533233
672398Oct 11, 2008Oct 11, 2008Riddle Engineering Corp.RefugioEdmund Carmody #1 R6,10039132871
666326Jul 30, 2008Jul 30, 2008Riddle Engineering Corp.RefugioRamirez #16,10039132859
666049Jul 24, 2008Jul 24, 2008Riddle Engineering Corp.RefugioEdmund Carmody #16,10039132856
666055Jul 23, 2008Jul 23, 2008Riddle Engineering Corp.RefugioClarkson-Hughes #16,10039132855
640607Jun 21, 2007Jun 21, 2007Riddle Engineering Corp.HidalgoGarcia, J. A. et AL #75,60721533491
620510Jun 6, 2006Jun 6, 2006Riddle Engineering Corp.HidalgoGarcia, J. A. et AL #76,00021533491
620510Jun 6, 2006Jun 6, 2006Riddle Engineering Corp.HidalgoGarcia, J. A. et AL #76,00021533491
616222Apr 11, 2006Apr 11, 2006Riddle Engineering Corp.BeeBlackburn #22,70002533216
615060Mar 10, 2006Mar 10, 2006Riddle Engineering Corp.HidalgoGarcia, J. A. et AL #15,38021531184
549149Aug 9, 2004Aug 9, 2004Riddle Engineering Corp.DE WittSchorre Unit #211,50012331744
546567Jul 8, 2004Jul 8, 2004Riddle Engineering Corp.Live OakSabine Gas Unit #18,39829733843
547747Jul 2, 2004Jul 2, 2004Riddle Engineering Corp.HidalgoGarcia Morse Unit #15,90021533233
547396Jun 28, 2004Jun 28, 2004Riddle Engineering Corp.BeeThomson - Barrow #A 3D3,28502531755

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/710900, documented in the API reference.