OPERATORS · RRC 784565  · P-5 STATUS Y

Sinclair Exp Co & Erwin Eng Corp

Corpus Chrsti, TX

Watch this operator

Sinclair Exp CO & Erwin Eng Corp has filed no drilling permits in the past 12 months; its most recent permit was issued December 18, 1991.

20 drilling permits have been issued to this operator number since 1985; its P-5 organization report was last filed October 27, 1992.

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

50%
spud rate · 10 of 20 mature permits
6
median days permit to spud · middle half 1–8
0
spuds, last 180 days
0%
cancelled · 0 permits
10
expired undrilled
3
permits a year over 7 active years

Where

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

County12 moAll timeWellsLast
Nueces county →—50Dec 18, 1991
Live Oak county →—40Sep 8, 1987
Jackson county →—30Nov 27, 1991
Bee county →—20Jul 3, 1986
DE Witt county →—20Sep 14, 1990
Starr county →—20May 7, 1987
Aransas county →—10Nov 1, 1989
Jefferson county →—10Mar 7, 1988

All 20 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
Frio30
Greta20
Miocene (undifferentiated)10

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

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

How it got them

0
permitted itself
0
acquired from others
12
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
Drill0018
Recompletion002

P-5 organization report

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

Registration
Status code Y
Last filed Oct 27, 1992
Address
P.O. Box 2743 %marquee Corp.
Corpus Chrsti, TX 78403
Officers and agents
Sinclair, Robert E. W. · Joint Venturer
Erwin, Frank · Joint Venturer

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
394693Dec 18, 1991Dec 18, 1991Sinclair Exp Co & Erwin Eng CorpNuecesLemond Unit #27,00035532859
394693Dec 18, 1991Dec 18, 1991Sinclair Exp Co & Erwin Eng CorpNuecesLemond Unit #27,00035532859
394280Nov 27, 1991Nov 27, 1991Sinclair Exp Co & Erwin Eng CorpJacksonPressly, E. #14,52023932447
392943Oct 17, 1991Oct 17, 1991Sinclair Exp Co & Erwin Eng CorpNuecesLemond Unit #17,20035532851
392943Oct 17, 1991Oct 17, 1991Sinclair Exp Co & Erwin Eng CorpNuecesLemond Unit #16,86135532851
377945Sep 14, 1990Sep 14, 1990Sinclair Exp Co & Erwin Eng CorpDE WittBrewer Estate #18,30012331654
368754Jan 18, 1990Jan 18, 1990Sinclair Exp Co & Erwin Eng CorpNuecesSpessard #16,20035532797
365615Nov 1, 1989Nov 1, 1989Sinclair Exp Co & Erwin Eng CorpAransasPena, B. #17,40000730787
361670Jul 19, 1989Jul 19, 1989Sinclair Exp Co & Erwin Eng CorpJacksonPressly, E. #15,18423932447
355043Jan 18, 1989Jan 18, 1989Sinclair Exp Co & Erwin Eng CorpJacksonPressly, E. #15,30023932447
343470Mar 7, 1988Mar 7, 1988Sinclair Exp Co & Erwin Eng CorpJeffersonGarth #15,80024531931
335458Sep 8, 1987Sep 8, 1987Sinclair Exp Co & Erwin Eng CorpLive OakReagan #16,20029733780
335457Sep 8, 1987Sep 8, 1987Sinclair Exp Co & Erwin Eng CorpLive OakReagan #23,25029733781
329871May 7, 1987May 7, 1987Sinclair Exp Co & Erwin Eng CorpStarrLA Brisa Ranch #25,70042732190
303825Jul 3, 1986Jul 3, 1986Sinclair Exp Co & Erwin Eng CorpBeeEllis Estate #14,20002532367

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/784565, documented in the API reference.