Petrora

OPERATORS · RRC 523592  · P-5 STATUS Y

Mammoth Expl LLC

Midland, TX

Watch this operator

Mammoth Expl LLC has filed no drilling permits in the past 12 months; its most recent permit was issued June 7, 2022.

The RRC wellbore file lists 10 wells under its operatorship.

38 drilling permits have been issued to this operator number since 2016; its P-5 organization report was last filed May 5, 2023.

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
0
producing wells, of 10 of record
9
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 · 19 of 38 mature permits
30
median days permit to spud · middle half 26–68
0
spuds, last 180 days
0%
cancelled · 0 permits
19
expired undrilled
6
permits a year over 6 active years

Permits issued by month

LAST 1 MONTHS · BY ISSUE DATE

Last 12 months 1

01

Where

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

County12 moAll timeWellsLast
Pecos county →—143Jun 7, 2022
Cochran county →—61Sep 28, 2018
Ector county →—60May 6, 2019
Andrews county →—45Jul 14, 2021
Dawson county →—20Dec 11, 2020
Gaines county →—21Nov 10, 2016
Yoakum county →—20Feb 26, 2019
Crane county →—10Feb 2, 2018
Scurry county →—10Oct 17, 2018

All 38 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
Yates60
Glorieta50
Clear Fork50
Seven Rivers30
Queen20
Holt20
Tubb20
Wichita-Albany10
Grayburg10
Spraberry10
Wolfcamp10
Leonard10
Rustler10
Santa Rosa10

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
827K
bbl oil since reporting began

Oil, barrels

Last 12 months 0 · prior 12 0

02K4K202420252026

Gas, mcf

Last 12 months 0 · prior 12 0

02K4K202420252026

Beyond the permit record

RRC wellbore file

Wells of record

10
on the schedule
0
producing
0
shut in
0
injection
0
temp. abandoned
5
plugged

How it got them

4
permitted itself
2
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 →

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

Ector0 active0 bbl/d
Dawson0 active0 bbl/d
Pecos0 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
Drill0021
Recompletion0011
Reenter003
Reclass003

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
University Block 9 (Wolfcamp)9253475040
Hoefs T-K (Wolfcamp)4191150020
Crossett S. (Detrital)2191233310
Emma (Devonian)2889916610
Sable (San Andres)7939375010
Wildcat2000110

P-5 organization report

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

Registration
Status code Y
Last filed May 5, 2023
Address
200 N Loraine Ste Suite 1100
Midland, TX 79701
(432) 413-7881
Officers and agents
Mammoth Exploration Holding LLC · Governing Person
Hawkins, Lucas T. · Cfo
Hawkins, Andrew Grantham · Vice President

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
880592Jun 7, 2022Jun 7, 2022Mammoth Exploration LLCPecosPrice -8- #55,53337136717
870921Jul 14, 2021Jul 14, 2021Mammoth Exploration LLCAndrewsUniversity T #811,50000343956
870919Jul 14, 2021Jul 14, 2021Mammoth Exploration LLCAndrewsUniversity T #711,50000343656
869281Jun 28, 2021Jun 28, 2021Mammoth Exploration LLCPecosPrice -8- #115,40037140313
870638Jun 23, 2021Jun 23, 2021Mammoth Exploration LLCAndrewsUniversity 'D' #511,60000343876
867243Jan 28, 2021Jan 28, 2021Mammoth Exploration LLCPecosPrice -8- #95,40037140292
867243Jan 28, 2021Jan 28, 2021Mammoth Exploration LLCPecosPrice -8- #95,40037140292
866678Dec 29, 2020Dec 29, 2020Mammoth Exploration LLCPecosPrice -9- #55,40037140291
866677Dec 29, 2020Dec 29, 2020Mammoth Exploration LLCPecosPrice -8- #105,40037140289
866420Dec 11, 2020Dec 11, 2020Mammoth Exploration LLCDawsonEchols (Spraberry) Unit #7019,06011532230
866260Dec 7, 2020Dec 7, 2020Mammoth Exploration LLCDawsonEchols (Spraberry) Unit #8019,00011532378
865956Nov 6, 2020Nov 6, 2020Mammoth Exploration LLCPecosPrice -9- #3W5,40037136355
863743Jul 27, 2020Jul 27, 2020Mammoth Exploration LLCPecosPrice -8- #85,40037140258
859509Dec 3, 2019Dec 3, 2019Mammoth Exploration LLCPecosPrice, Mary #8062,25037137035
858354Oct 30, 2019Oct 30, 2019Mammoth Exploration LLCPecosPrice -9- #25,50037140183

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/523592, documented in the API reference.