Petrora

OPERATORS · RRC 589984  · P-5 STATUS Y

Mosbacher Engy Co

Houston, TX

Watch this operator

Mosbacher Engy CO has filed no drilling permits in the past 12 months; its most recent permit was issued June 26, 2025.

The RRC wellbore file lists 46 wells under its operatorship (5 producing).

Lease reports credit it with 13.1K barrels of oil and 47.5K mcf of gas in the 12 months reported through April 2026, up 30% on the year before.

It holds 1 active disposal or injection permit, injecting 94.5K barrels in the 12 months reported through June 2025.

97 drilling permits have been issued to this operator number since 1984; its P-5 organization report was last filed June 4, 2026.

0
permits, last 12 months
-100%
vs prior 12 months (2)
0
counties, 12 months
5
producing wells, of 46 of record
45
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.

48%
spud rate · 47 of 97 mature permits
37
median days permit to spud · middle half 17–52
0
spuds, last 180 days
0%
cancelled · 0 permits
50
expired undrilled
2
permits a year over 41 active years

Permits issued by month

LAST 1 MONTHS · BY ISSUE DATE

Last 12 months 2

012

Where

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

County12 moAll timeWellsLast
Live Oak county →—2515Jun 1, 2015
Hardin county →—233Jun 26, 2025
Lavaca county →—97Oct 1, 2009
DE Witt county →—71Jun 8, 1993
Goliad county →—72Jul 9, 2013
Atascosa county →—33Dec 5, 1991
Chambers county →—31Feb 26, 1990
Borden county →—20Mar 10, 1988
Brazoria county →—20Feb 2, 1988
Calhoun county →—21Feb 23, 1988
Colorado county →—20Sep 8, 1989
Gonzales county →—21Sep 8, 1988
Liberty county →—21Oct 9, 1987
Tyler county →—22Dec 17, 1987
Anderson county →—12Sep 18, 1989
Cherokee county →—10Nov 12, 1986
Galveston county →—11Sep 10, 1990
Henderson county →—10Oct 10, 1986
Victoria county →—10May 20, 1988
Wood county →—11Mar 21, 1986

All 97 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
Yegua151
Frio101
Wilcox50
Vicksburg41
Jackson30
Georgetown20
Buda20
Cook Mountain20
Miocene (undifferentiated)10
Spraberry10
Dean10
Pennsylvanian10
Mississippian10
Woodford10
Ellenburger10

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 →

13.1K
bbl oil, last 12 reported months
+30%
vs the 12 months before
47.5K
mcf gas incl. casinghead, last 12
816K
bbl oil since reporting began

Gas, mcf

Last 12 months 47,480 · prior 12 73,919(-36%)

05K10K15K202420252026

Oil, barrels

Last 12 months 13,061 · prior 12 10,051(+30%)

05001K1.5K202420252026

Beyond the permit record

RRC wellbore file

Wells of record

46
on the schedule
5
producing
0
shut in
1
injection
0
temp. abandoned
32
plugged

How it got them

19
permitted itself
17
acquired from others
13
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

1
active UIC permits of 6
10K
permitted bbl/day, active
94.5K
bbl injected, last 12 reported months
Jun 2025
reported through

By county

Live Oak1 active10K bbl/d
Chambers0 active0 bbl/d
Goliad0 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
Recompletion0255
Drill0039
Other003

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
Ramirena (Yegua #6)7442270064
Braslau S. (Wilcox 9000)1149650030
Evans (7815)2965450020
Ramirena (y- 5)7442240020
Jourdanton4735800120
Devers (Yegua 11400)2442980010
Cabeza Creek S (Slick FB-A)1443865510
Giddings (Buda)3473360010
Dallas Husky (Luling)2283425010
Hampton (y 1B 7600)3860925010
Hicksbaugh (8630)4106492510
Giddings (Austin Chalk-3)3473350010

P-5 organization report

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

Registration
Status code Y
Last filed Jun 4, 2026
Gas operatorOil operator
Address
Attn Stephen R Siegfried 712 Main St Ste 2200
Houston, TX 77002
(713) 546-2500
Officers and agents
Collazo, Eric D · Treasurer,vice President
Mears, Arthur Downing Jr · President
Siegfried, Stephen R. · Vice President,coo

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
908830Jun 26, 2025Jun 26, 2025Mosbacher Energy CompanyHardinElliott, B.P. #28,50019933047
908830Jun 26, 2025Jun 26, 2025Mosbacher Energy CompanyHardinElliott, B.P. #28,50019933047
807028Jun 1, 2015Jun 1, 2015Mosbacher Energy CompanyLive OakMorgan-Karon Oil Unit #28,46129735616
788560Jul 8, 2014Jul 8, 2014Mosbacher Energy CompanyLive OakMorgan #28,60029735616
783681Jun 12, 2014Jun 12, 2014Mosbacher Energy CompanyLive OakRobinson/Ferrell #35,20029735588
770577Nov 5, 2013Nov 5, 2013Mosbacher Energy CompanyLive OakRobinson/Ferrell #25,20029735464
766003Jul 9, 2013Jul 9, 2013Mosbacher Energy CompanyGoliadBev-Zan #116,50017533567
765992Jul 9, 2013Jul 9, 2013Mosbacher Energy CompanyLive OakMcMullen #111,30029734597
765992Jul 9, 2013Jul 9, 2013Mosbacher Energy CompanyLive OakMcMullen #111,30029734597
749683Oct 17, 2012Oct 17, 2012Magnum Producing, LPMatagordaBaptist Foundation #19,99032130214
749683Oct 17, 2012Oct 17, 2012Magnum Producing, LPMatagordaBaptist Foundation #111,50032130214
736168Mar 27, 2012Mar 27, 2012Mosbacher Energy CompanyHardinHambright #17,80019933117
736156Mar 27, 2012Mar 27, 2012Mosbacher Energy CompanyHardinElliott, B.P. #18,50019933048
731664Jan 26, 2012Jan 26, 2012Mosbacher Energy CompanyHardinElliott, B. P. #28,50019933047
714808Jan 17, 2012Jan 17, 2012Mosbacher Energy CompanyLive OakI. Ferrell #155,30029734995

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/589984, documented in the API reference.