OPERATORS · RRC 828880  · P-5 STATUS Y

Sulphur River Expl, Inc

Sulphur River Expl, Inc has filed no drilling permits in the past 12 months; its most recent permit was issued July 3, 2019.

The RRC wellbore file lists 212 wells under its operatorship (97 producing, 7 shut in).

Lease reports credit it with 135K barrels of oil and 2.02M mcf of gas in the 12 months reported through April 2026, down 1% on the year before.

It holds 24 active disposal or injection permits, injecting 5.18M barrels in the 12 months reported through June 2025.

107 drilling permits have been issued to this operator number since 1978; its P-5 organization report was last filed August 4, 2025.

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
97
producing wells, of 212 of record
198
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.

69%
spud rate · 74 of 107 mature permits
29
median days permit to spud · middle half 12–61
0
spuds, last 180 days
0%
cancelled · 0 permits
33
expired undrilled
3
permits a year over 42 active years

Where

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

County12 moAll timeWellsLast
Upshur county →—4986Sep 14, 2006
Cass county →—1946May 20, 2016
Stonewall county →—81Apr 16, 1997
Hopkins county →—653Jun 27, 2018
Jones county →—60Oct 2, 1987
Lavaca county →—66Jul 3, 2019
Franklin county →—45Apr 21, 2008
Leon county →—41May 31, 2005
San Patricio county →—23Dec 8, 2016
Haskell county →—10Aug 1, 1984
Houston county →—11May 15, 1985
Madison county →—10Feb 21, 1978

All 107 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 →

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 →

135K
bbl oil, last 12 reported months
-1%
vs the 12 months before
2.02M
mcf gas incl. casinghead, last 12
5.38M
bbl oil since reporting began

Gas, mcf

Last 12 months 2,016,376 · prior 12 1,847,812(+9%)

0200K400K202420252026

Oil, barrels

Last 12 months 134,992 · prior 12 136,621(-1%)

05K10K15K202420252026

Beyond the permit record

RRC wellbore file

Wells of record

212
on the schedule
97
producing
7
shut in
8
injection
16
temp. abandoned
56
plugged

How it got them

56
permitted itself
73
acquired from others
18
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

24
active UIC permits of 36
106K
permitted bbl/day, active
5.18M
bbl injected, last 12 reported months
Jun 2025
reported through

By county

Hopkins12 active51K bbl/d
Cass6 active29.6K bbl/d
Yoakum1 active10K bbl/d
Upshur3 active9K bbl/d
Franklin1 active3K bbl/d
Camp1 active3K 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
Drill0071
Recompletion0031
Reenter004
Other001

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.

P-5 organization report

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

Registration
Status code Y
Last filed Aug 4, 2025
CSGD/GCSGD/PG/PURGas gatheringGas operatorOil operator
Address
4851 LBJ Freeway Ste 550
Dallas, TX 75244
(800) 734-4872
Officers and agents
Corey, Rex Jr · President,secretary

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
854634Jul 3, 2019Jul 3, 2019Sulphur River Exploration, Inc.LavacaKubena Oil Unit #313,58528532174
848731Mar 7, 2019Mar 7, 2019Sulphur River Exploration, Inc.LavacaHathaway Unit #713,68928532252
847910Dec 20, 2018Dec 20, 2018Sulphur River Exploration, Inc.LavacaNeuhaus Unit #411,80028531487
841752Jun 27, 2018Jun 27, 2018Sulphur River Exploration, Inc.HopkinsSanta FE Spindletop #16,09722330476
832182Oct 24, 2017Oct 24, 2017Black Stone Energy Company, LLCHardinPepperjack A #116,50019933595
829755Aug 11, 2017Aug 11, 2017Sulphur River Exploration, Inc.LavacaNeuhaus Unit #39,21328531312
828863Jul 20, 2017Jul 20, 2017Sulphur River Exploration, Inc.LavacaNeuhaus Unit #411,80028531487
827163Jun 5, 2017Jun 5, 2017Sulphur River Exploration, Inc.LavacaClay Clark #29,20028531427
820553Dec 8, 2016Dec 8, 2016Sulphur River Exploration, Inc.San PatricioPortland Gas Unit 'A' #511,10040932636
815831May 20, 2016May 20, 2016Sulphur River Exploration, Inc.CassLatham 'B' #19,79506700106
801290Dec 10, 2014Dec 10, 2014Tanos Exploration II, LLCUpshurH. J. Trammell Gas Unit #5HH11,05745931481
799506Nov 3, 2014Nov 3, 2014Tanos Exploration II, LLCUpshurIndian Rock Gas Unit No. 6 #9HH11,95045931480
796123Sep 29, 2014Sep 29, 2014Sulphur River Exploration, Inc.CassFrost Waterflood Unit #5WS5,10006700097
793785Sep 3, 2014Sep 3, 2014Sulphur River Exploration, Inc.CassFrost Waterflood Unit #4WS5,10006730030
791648Aug 19, 2014Aug 19, 2014Sulphur River Exploration, Inc.CassFrost Waterflood Unit #310,06006700007

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/828880, documented in the API reference.