OPERATORS · RRC 328751  · P-5 STATUS Y

Great Southwest Explor&drilling

San Antonio, TX

Watch this operator

Great Southwest Explor&Drilling has filed no drilling permits in the past 12 months; its most recent permit was issued March 15, 1986.

The RRC wellbore file lists 5 wells under its operatorship.

42 drilling permits have been issued to this operator number since 1982; its P-5 organization report was last filed August 14, 1987.

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
0
producing wells, of 5 of record
0
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.

5%
spud rate · 2 of 42 mature permits
121
median days permit to spud · middle half 121–121
0
spuds, last 180 days
0%
cancelled · 0 permits
40
expired undrilled
11
permits a year over 4 active years

Where

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

County12 moAll timeWellsLast
Bexar county →—384Aug 16, 1985
Atascosa county →—41Mar 15, 1986

All 42 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
Navarro250
Olmos40
Anacacho10

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

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

How it got them

4
permitted itself
1
acquired from others
25
permitted, now run by others

Acquired means the well's permit names a different operator than the schedule does today. Transfers and operator numbers →

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
Drill0042

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
Von Ormy9410000140
Leming (2934 Sand)5306166610

P-5 organization report

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

Registration
Status code Y
Last filed Aug 14, 1987
Address
P.O. Box 17131
San Antonio, TX 78217
Officers and agents
Serna, Joyce · President
Barczewski, Clark · Vice President

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
269530Mar 15, 1986Mar 15, 1986Great Southwest Explor&drillingAtascosaKupcho #13,50001333266
282650Aug 16, 1985Aug 16, 1985Great Southwest Explor&drillingBexarHaggard Ranch #895002936637
282653Aug 16, 1985Aug 16, 1985Great Southwest Explor&drillingBexarHaggard Ranch #495002936638
282659Aug 16, 1985Aug 16, 1985Great Southwest Explor&drillingBexarHaggard Ranch #695002936639
280375Jul 17, 1985Jul 17, 1985Great Southwest Explor&drillingBexarAskew #91,80002936612
280372Jul 17, 1985Jul 17, 1985Great Southwest Explor&drillingBexarAskew #81,80002936611
280369Jul 17, 1985Jul 17, 1985Great Southwest Explor&drillingBexarAskew #71,80002936610
278159Jun 19, 1985Jun 19, 1985Great Southwest Explor&drillingAtascosaDivin, L. V. #73,30001333417
278157Jun 19, 1985Jun 19, 1985Great Southwest Explor&drillingAtascosaDivin, L. V. #83,30001333416
278164Jun 19, 1985Jun 19, 1985Great Southwest Explor&drillingBexarPruski #131,50002936583
278163Jun 19, 1985Jun 19, 1985Great Southwest Explor&drillingBexarPruski #111,50002936582
278162Jun 19, 1985Jun 19, 1985Great Southwest Explor&drillingBexarPruski #91,50002936581
278161Jun 19, 1985Jun 19, 1985Great Southwest Explor&drillingBexarPruski #81,50002936580
271597Apr 8, 1985Apr 8, 1985Great Southwest Explor&drillingBexarPruski #121,50002936411
271598Apr 8, 1985Apr 8, 1985Great Southwest Explor&drillingBexarPruski #101,50002936412

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/328751, documented in the API reference.