OPERATORS · RRC 784555  · P-5 STATUS Y

Sinclair Expl Co

Sinclair Expl CO has filed no drilling permits in the past 12 months; its most recent permit was issued December 27, 1989.

The RRC wellbore file lists 16 wells under its operatorship.

39 drilling permits have been issued to this operator number since 1982; its P-5 organization report was last filed May 11, 2001.

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
0
producing wells, of 16 of record
4
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.

33%
spud rate · 13 of 39 mature permits
12
median days permit to spud · middle half 8–31
0
spuds, last 180 days
0%
cancelled · 0 permits
26
expired undrilled
5
permits a year over 8 active years

Where

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

County12 moAll timeWellsLast
Coleman county →—1911Jul 1, 1985
Coke county →—74Aug 30, 1983
Stonewall county →—40Dec 27, 1989
Jones county →—20Jan 14, 1986
Nolan county →—20Dec 27, 1985
Dawson county →—10Nov 22, 1983
Garza county →—10Nov 12, 1984
Howard county →—10Jan 20, 1984
Kent county →—10Oct 24, 1983
Tom Green county →—10Nov 28, 1984

All 39 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
Ellenburger20
Caddo20
Canyon20
Mississippian20
Dean10
Wolfcamp10
Barnett10
Marble Falls10

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
54.3K
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

16
on the schedule
0
producing
0
shut in
0
injection
0
temp. abandoned
16
plugged

How it got them

12
permitted itself
3
acquired from others
16
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 1
0
permitted bbl/day, active
0
bbl injected, last 12 reported months
Jun 2025
reported through

By county

Coleman0 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
Drill0036
Other002
Reenter001

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
Momac (Morris)6239450060
Bronte1217500140
Novice North (Gray)6625533320
Santa Anna (Breneke)8082712520
Coleman County Regular1951100110
East Texas2730200110

P-5 organization report

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

Registration
Status code Y
Last filed May 11, 2001
Address
Attn Ross Engineering P O Box 3756
Abilene, TX 79604
Officers and agents
Sinclair, Robt · President
Sinclair, Mary Louise · Secretary

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
367758Dec 27, 1989Dec 27, 1989Sinclair Exploration CompanyStonewallClements, J. H. #13,70043332576
323730Dec 3, 1986Dec 3, 1986Sinclair Exploration CompanyStonewallParker, J. D. #13,80043332145
295228Jan 14, 1986Jan 14, 1986Sinclair Exploration CompanyJonesBaker #16,00025333400
293647Dec 27, 1985Dec 27, 1985Sinclair Exploration CompanyNolanToombs #15,00035331912
279402Jul 1, 1985Jul 1, 1985Sinclair Exploration CompanyColemanBriggs, Fay #13,40008334493
278391Jun 24, 1985Jun 24, 1985Sinclair Exploration CompanyJonesEfa Trust #13,50025333242
276093May 28, 1985May 28, 1985Sinclair Exploration CompanyColemanJones, J. P. #12,00008334471
275846May 23, 1985May 23, 1985Sinclair Exploration CompanyColemanIsenhower #22,00008334466
274468May 9, 1985May 9, 1985Sinclair Exploration CompanyColemanHenderson, Taryn #14,00008334456
273607Apr 30, 1985Apr 30, 1985Sinclair Exploration CompanyColemanBunting, Rick #15,00008334445
270812Mar 28, 1985Mar 28, 1985Sinclair Exploration CompanyColemanBarnett Estate #14,00008334416
267731Feb 26, 1985Feb 26, 1985Sinclair Exploration CompanyColemanHudson, Marie #95,00008334379
267732Feb 26, 1985Feb 26, 1985Sinclair Exploration CompanyColemanHudson, Marie #85,00008334380
265718Jan 31, 1985Jan 31, 1985Sinclair Exploration CompanyColemanStevens, Joe C. #15,00008334361
264233Jan 15, 1985Jan 15, 1985Sinclair Exploration CompanyColemanBunting, Kay #15,00008334351

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/784555, documented in the API reference.