Petrora

OPERATORS · RRC 254850  · P-5 STATUS Y

Estoril Producing Corp

Midland, TX

Watch this operator

Estoril Producing Corp has filed no drilling permits in the past 12 months; its most recent permit was issued October 3, 1988.

The RRC wellbore file lists 49 wells under its operatorship.

130 drilling permits have been issued to this operator number since 1977; its P-5 organization report was last filed January 6, 1995.

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
0
producing wells, of 49 of record
1
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.

56%
spud rate · 73 of 130 mature permits
21
median days permit to spud · middle half 11–53
0
spuds, last 180 days
0%
cancelled · 0 permits
56
expired undrilled
11
permits a year over 12 active years

Where

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

County12 moAll timeWellsLast
Crockett county →—193Dec 27, 1985
Yoakum county →—181May 29, 1986
Borden county →—112Dec 31, 1981
Glasscock county →—118Oct 31, 1983
Terry county →—112Sep 11, 1984
Gaines county →—91Sep 17, 1979
Howard county →—81Aug 22, 1983
Callahan county →—64Apr 8, 1986
Andrews county →—54Mar 12, 1986
Schleicher county →—40Nov 27, 1984
Crane county →—30Oct 3, 1988
Garza county →—32Sep 5, 1985
Upton county →—31Jan 14, 1986
Winkler county →—30Jun 20, 1980
Fisher county →—20Jul 17, 1980
Kent county →—20Apr 10, 1981
McCulloch county →—20Jun 14, 1978
Taylor county →—26Feb 19, 1982
Eastland county →—10Jun 4, 1985
Irion county →—10May 25, 1978
Loving county →—10Aug 3, 1983
Lynn county →—10Jul 24, 1980
Pecos county →—13Sep 8, 1981
Reeves county →—11Feb 7, 1986
Runnels county →—11Jan 29, 1979
Sutton county →—11Oct 9, 1980

All 130 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
San Andres100
Woodford60
Glorieta50
Wolfcamp50
Devonian40
Mississippian40
Clear Fork40
Pennsylvanian30
Yates30
Lamar10
Spraberry10
Canyon10
Strawn10
Palo Pinto10
Tannehill10

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
56.1K
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

49
on the schedule
0
producing
0
shut in
0
injection
0
temp. abandoned
33
plugged

How it got them

14
permitted itself
3
acquired from others
44
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 14
0
permitted bbl/day, active
0
bbl injected, last 12 reported months
Jun 2025
reported through

By county

Glasscock0 active0 bbl/d
Callahan0 active0 bbl/d
Shackelford0 active0 bbl/d
Pecos0 active0 bbl/d
Taylor0 active0 bbl/d
Upton0 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
Drill00114
Other0014
Recompletion002

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
Garden City3398900170
Bryan Williams (Fry Upper)1272150040
Jameson (Strawn)4558066640
Dyer (Flippen)2686220030
Hanson (Grayburg)3881850030
Hutex (Dean)4387860020
CKH (Clearfork LO)1429850010
E P C (Spraberry)2701150010
Callahan County Regular1482000110
E S T (Spraberry)2702530010
Emma (Strawn)2889974710
E. J. (Flippen)2699025010

P-5 organization report

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

Registration
Status code Y
Last filed Jan 6, 1995
Address
400 W Illinois #1600
Midland, TX 79701
Officers and agents
Allison, Janet · President/Vice President

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
351760Oct 3, 1988Oct 3, 1988Estoril Producing CorporationCraneJordan/Pennsylvanian/Unit #1338,10010304981
340656Dec 30, 1987Dec 30, 1987Estoril Producing CorporationCraneJordan (Pennsylvania) Unit #1358,20010333830
340656Dec 30, 1987Dec 30, 1987Estoril Producing CorporationCraneJordan (Pennsylvania) Unit #1358,15010333830
302719May 29, 1986May 29, 1986Estoril Producing CorporationYoakumNielsen #213,20050133072
300858Apr 8, 1986Apr 8, 1986Estoril Producing CorporationCallahanSnyder Trust "A" #11,25005935575
299463Mar 12, 1986Mar 12, 1986Estoril Producing CorporationAndrewsBedford #111,50000335514
297491Feb 7, 1986Feb 7, 1986Estoril Producing CorporationReevesArco Armstrong #13,70038931712
295257Jan 14, 1986Jan 14, 1986Estoril Producing CorporationUptonBarnet, Rosa #10209,40046110107
294507Jan 6, 1986Jan 6, 1986Estoril Producing CorporationYoakumBearden #16,80050133013
294045Dec 27, 1985Dec 27, 1985Estoril Producing CorporationCrockettUniversity Buckhorn #18,50010535212
291748Dec 4, 1985Dec 4, 1985Estoril Producing CorporationYoakumWasson Deep #110,50050132987
288774Oct 31, 1985Oct 31, 1985Estoril Producing CorporationCallahanSnyder Trust #12,60005935469
288728Oct 30, 1985Oct 30, 1985Estoril Producing CorporationYoakumScottish Rite #113,50050132967
288730Oct 30, 1985Oct 30, 1985Estoril Producing CorporationYoakumSmart #113,00050132968
287493Oct 16, 1985Oct 16, 1985Estoril Producing CorporationYoakumStone #113,35550132908

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/254850, documented in the API reference.