Petrora

OPERATORS · RRC 101883  · P-5 STATUS Y

Tanos Expl IV, LLC

Tyler, TX · most active in Rusk County

Watch this operator

Tanos Expl IV, LLC was issued 13 drilling permits in the past 12 months, versus 2 in the prior year, across 4 counties led by Rusk with 7. 92% were horizontal.

3 were issued in the past 90 days, versus 5 in the prior quarter.

The RRC wellbore file lists 6 wells under its operatorship (6 producing).

Lease reports credit it with 131K barrels of oil and 902K mcf of gas in the 12 months reported through April 2026, up 95% on the year before.

19 drilling permits have been issued to this operator number since 2024; its P-5 organization report was last filed September 4, 2025.

13
permits, last 12 months
+550%
vs prior 12 months (2)
4
counties, 12 months
6
producing wells, of 6 of record
6
leases it reports
92%
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.

82%
spud rate · 9 of 11 mature permits
22
median days permit to spud · middle half 12–70
1
spuds, last 180 days -67%
0%
cancelled · 0 permits
9
expired undrilled
6
permits a year over 3 active years

Permits issued by month

LAST 11 MONTHS · BY ISSUE DATE

Last 12 months 19

0246202420252026

Where

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

County12 moAll timeWellsLast
Rusk county →770Oct 15, 2026
Harrison county →384Apr 28, 2026
Panola county →220Jun 10, 2026
Upshur county →122Mar 4, 2026

All 19 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
Paluxy88
Nacatoch77
Blossom66
Glen Rose66
Rodessa66
Pettit66
Goodland55
Travis Peak44
Cotton Valley44
Woodbine22

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 →

131K
bbl oil, last 12 reported months
+95%
vs the 12 months before
902K
mcf gas incl. casinghead, last 12
198K
bbl oil since reporting began

Oil, barrels

Last 12 months 130,593 · prior 12 67,112(+95%)

010K20K30K202420252026

Gas, mcf

Last 12 months 901,756 · prior 12 106,109(+750%)

0100K200K202420252026

Beyond the permit record

RRC wellbore file

Wells of record

6
on the schedule
6
producing
0
shut in
0
injection
0
temp. abandoned
0
plugged

How it got them

5
permitted itself
1
acquired from others
0
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
Drill13219

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
Whelan (Pettit)9678912544
Gilmer (Cotton Valley Sands)3494330011
Rosewood (Cotton Valley)7833050011

P-5 organization report

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

Registration
Status code Y
Last filed Sep 4, 2025
Gas operatorOil operator
Address
5467 New Copeland RD
Tyler, TX 75703
(888) 860-2149
Officers and agents
Brandon, Mark A · President,ceo
McLeod, Jeremy · Vice President

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
919168Oct 17, 2026Oct 15, 2026Tanos Exploration IV, LLCRuskHemby-Tuttle HA (AW) #1HH11,43840135522
919190Oct 17, 2026Oct 15, 2026Tanos Exploration IV, LLCRuskCarter-Tuttle HA (AW) #1HH11,43840135524
917970Aug 22, 2026Aug 20, 2026Tanos Exploration IV, LLCRuskBrown SWD #14,50040135515
916407Jun 16, 2026Jun 16, 2026Tanos Exploration IV, LLCRuskBethany-Lowe 3 (AW) #3HH8,37340135504
916376Jun 16, 2026Jun 16, 2026Tanos Exploration IV, LLCRuskBethany-Lowe 2 (AW) #2HH8,38340135503
916316Jun 11, 2026Jun 11, 2026Tanos Exploration IV, LLCRuskBethany-Lowe (AW) #1HH8,39840135502
916316Jun 11, 2026Jun 11, 2026Tanos Exploration IV, LLCRuskBethany-Lowe (AW) #1HH8,39840135502
916191Jun 10, 2026Jun 10, 2026Tanos Exploration IV, LLCPanolaHemby-Vsu HA (AW) #1HH11,02436539032
914910Sep 23, 2026Apr 28, 2026Tanos Exploration IV, LLCHarrisonWhelan OU 5 (AW) #1HUH7,30720335801
914910Apr 28, 2026Apr 28, 2026Tanos Exploration IV, LLCHarrisonWhelan OU 5 #H 1UUH7,30720335801
913802Mar 4, 2026Mar 4, 2026Tanos Exploration IV, LLCUpshurTuel-Bogel GU 2 (AW) #1HH10,40045931509
912439Dec 30, 2025Dec 30, 2025Tanos Exploration IV, LLCHarrisonBergson-Nesbitt HA (AW) #1HH11,45020335786
912121Dec 16, 2025Dec 16, 2025Tanos Exploration IV, LLCPanolaHemby-Brown HA (AW) #1HH11,43836538996
908340Jun 13, 2025Jun 13, 2025Tanos Exploration IV, LLCUpshurBarber-Gunn (AW) #1HH10,77445931505
905132Jan 15, 2025Jan 15, 2025Tanos Exploration IV, LLCHarrisonWhelan OU4 #1HUH7,30020335710

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/101883, documented in the API reference.