OPERATORS · RRC 69510  · P-5 STATUS Y

Big Mountain Oper LLC

Decatur, TX · most active in Callahan County

Watch this operator

Big Mountain Oper LLC was issued 2 drilling permits in the past 12 months, versus 2 in the prior year, across 2 counties led by Callahan with 1. 0% were horizontal.

1 was issued in the past 90 days, after a quiet prior quarter.

The RRC wellbore file lists 8 wells under its operatorship (1 producing, 1 shut in).

Lease reports credit it with 8.38K barrels of oil and 0 mcf of gas in the 12 months reported through April 2026.

8 drilling permits have been issued to this operator number since 2019; its P-5 organization report was last filed February 4, 2026.

2
permits, last 12 months
+0%
vs prior 12 months (2)
2
counties, 12 months
1
producing wells, of 8 of record
7
leases it reports
0%
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.

57%
spud rate · 4 of 7 mature permits
21
median days permit to spud · middle half 14–30
0
spuds, last 180 days
0%
cancelled · 0 permits
4
expired undrilled
1
permits a year over 8 active years

Permits issued by month

LAST 5 MONTHS · BY ISSUE DATE

Last 12 months 5

01202420252026

Where

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

County12 moAll timeWellsLast
Gaines county →152Mar 24, 2026
Callahan county →110Sep 4, 2026
Wilbarger county →—10Jun 2, 2023
Young county →—10Feb 5, 2019

All 8 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
Spraberry33
Glorieta33
Clear Fork22

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 →

8.38K
bbl oil, last 12 reported months
—
vs the 12 months before
0
mcf gas incl. casinghead, last 12
20.8K
bbl oil since reporting began

Oil, barrels

Last 12 months 8,382 · prior 12 0

02K4K202420252026

Beyond the permit record

RRC wellbore file

Wells of record

8
on the schedule
1
producing
1
shut in
0
injection
0
temp. abandoned
0
plugged

How it got them

2
permitted itself
6
acquired from others
3
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
Drill228

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 Feb 4, 2026
Oil operator
Address
PO Box 329
Decatur, TX 76234
(940) 393-6107
Officers and agents
Harvey, Chad · President
Harvey, Amanda · Secretary,vice President
Palmour, Vicki · Filing Agent

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
918276Sep 6, 2026Sep 4, 2026Big Mountain Operating LLCCallahanCunningham #12,20005937212
914209Mar 24, 2026Mar 24, 2026Big Mountain Operating LLCGainesTimberwolf #110,50016539023
911189Oct 22, 2025Oct 22, 2025Big Mountain Operating LLCGainesRed Wolf #19,58916539019
904879Dec 31, 2024Dec 31, 2024Big Mountain Operating LLCGainesGrey Wolf #110,50016538974
890846Jun 2, 2023Jun 2, 2023Big Mountain Operating LLCWilbargerDoans Crossing #15,81048733307
869642May 12, 2021May 12, 2021Big Mountain Operating LLCGainesLuxor #19,00016538829
869642May 12, 2021May 12, 2021Big Mountain Operating LLCGainesLuxor #19,00016538829
848667Feb 5, 2019Feb 5, 2019Big Mountain Operating LLCYoungArnold #15,50050342418
491112Jan 14, 2000Jan 14, 2000JW Energy Co., LtdJackTarrant A #106,00023738501
488032Sep 28, 1999Sep 28, 1999JW Energy Co., LtdWiseAshe Bcde #C 106,00049734435
488032Sep 28, 1999Sep 28, 1999JW Energy Co., LtdWiseAshe Bcde #C 106,00049734435
486712Aug 16, 1999Aug 16, 1999JW Energy Co., LtdWiseTarrant E #86,00049734422
483896Apr 15, 1999Apr 15, 1999JW Energy Co., LtdWiseAshe D #96,00049734361
482534Feb 8, 1999Feb 8, 1999JW Energy Co., LtdWiseTarrant E #146,00049734343
482534Feb 8, 1999Feb 8, 1999JW Energy Co., LtdWiseTarrant E #146,00049734343

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/69510, documented in the API reference.