Petrora

OPERATORS · TEXAS · P-5 NUMBER 589990

Mosbacher, Robert

P-5 status
Inactive (I)
P-5 last filed
Jun 24, 1986
Based in
Houston, TX
Watch this operator

Mosbacher, Robert has filed no drilling permits in the past 12 months; its most recent permit was issued August 1, 1983.

The RRC wellbore file lists 34 wells under its operatorship.

29 drilling permits have been issued to this operator number since 1977; its P-5 organization report was last filed June 24, 1986.

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
0
producing wells, of 34 of record
0
leases it reports
—
horizontal, 12 months

WINDOWS ON THE RRC ISSUE DATE · COMPUTED NOV 6, 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.

24%
spud rate · 7 of 29 mature permits
30
median days permit to spud · middle half 19–31
0
spuds, last 180 days
0%
canceled · 0 permits
21
expired undrilled
4
permits a year over 7 active years

Permits issued by month

LAST 60 MONTHS · BY ISSUE DATE

Last 12 months 0 · prior 12 0

0120222023202420252026

Counties

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

County12 moAll timeWellsLast
Leon county →—121Aug 1, 1983
Madison county →—80Mar 31, 1982
Tyler county →—30Mar 13, 1978
Galveston county →—20Jul 12, 1977
Chambers county →—10Dec 30, 1977
Hardin county →—11Jul 24, 1978
Karnes county →—10Aug 4, 1977
Limestone county →—10Oct 4, 1977

All 29 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
Frio20
Anahuac10
Yegua10
Woodbine10

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 ten years.

Beyond the permit record

RRC wellbore file

Wells of record

34
in the wellbore file
0
producing
0
shut in
0
injection
0
temp. abandoned
10
plugged

How it got them

0
permitted itself
3
acquired from others
15
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

0
active UIC permits of 12
0
permitted bbl/day, active
0
bbl injected, last 12 reported months
Jun 2025
reported through

By county

Madison0 active0 bbl/d
Leon0 active0 bbl/d
Atascosa0 active0 bbl/d
Colorado0 active0 bbl/d
De Witt0 active0 bbl/d

All 12 permits, with volumes → · On the map →

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
Drill0022
Recompletion004
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
Roehl (Wilcox)7788366620
Thomaston (Wilcox 7800)8950950020
Cold Springs (Wilcox 7 525)1942818010
Englehart (5900)2911076010
Englehart (6500)2911091210
Englehart (Wilcox 8800)2911038010
Englehart (Wilcox 9100)2911049410
Englehart (Wilcox 8900)2911041810
Enke (Frio 2700)2912911110
Esperanza (2300)2936156810
Garwood NW. (1250)3409460010
Duncan (Wilcox)2649250010

P-5 organization report

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

Registration
Status Inactive (I)
Last filed Jun 24, 1986
Address
712 Main St #2200 % W.m.glasgow
Houston, TX 77002
(713) 546-2606
Officers and agents
Mendell, W.T · Filing Agent
Mosbacher, Robert · Owner
Green, Donald E. · Vice President

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
241626Mar 14, 1984Mar 14, 1984Mosbacher Production Co.ColoradoZoellner, W. F. #26,81308900702
203563Aug 1, 1983Aug 1, 1983Mosbacher, RobertLeonOsr-Halliday Unit #71W7,63928980191
200274Jul 5, 1983Jul 5, 1983Mosbacher, RobertLeonOsr-Halliday Unit #2327,87228980190
167151Jul 26, 1982Jul 26, 1982Mosbacher, RobertLeonOsr-Halliday Unit #2017,75028900549
164024May 28, 1982May 28, 1982Mosbacher, RobertLeonOsr-Halliday Unit #49-38,30028930524
161822May 26, 1982May 26, 1982Pathfinder Petroleum, Inc.MatagordaMoore Estate #110,82032130240
160900Mar 31, 1982Mar 31, 1982Mosbacher, RobertMadisonOsr-Halliday Unit #45-48,50031330384
155459Mar 30, 1982Mar 30, 1982Mosbacher, RobertMadisonOsr-Halliday Unit #55-18,25031330378
155460Mar 30, 1982Mar 30, 1982Mosbacher, RobertLeonOsr-Halliday Unit #37-28,20028930512
155453Mar 30, 1982Mar 30, 1982Mosbacher, RobertMadisonOsr-Halliday Unit #57-18,45031330377
154784Mar 11, 1982Mar 11, 1982Mosbacher, RobertLeonOsr-Halliday Unit #50-38,30028930509
150073Feb 4, 1982Feb 4, 1982Mosbacher, RobertLeonOsr-Halliday Unit #3528,20028930504
123988Jul 6, 1981Jul 6, 1981Hamman Oil & Refg. Co.ColoradoStephens, H. #19,30008900268
77459Apr 7, 1980Apr 7, 1980Mosbacher, RobertMadisonOsr-Halliday Unit #101-1*5,20031330268
71851Feb 6, 1980Feb 6, 1980Mosbacher, RobertMadisonOsr-Halliday Unit #69-38,50031330263

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. Summary figures are rebuilt nightly. Nothing is estimated.

Developers: this page as JSON is GET /v1/data/operators/tx/589990, documented in the API reference.