WELL · 42-067-30966 · DISTRICT 6

Mahko #1

Cass County · Hidden Rock (Cotton Valley Lime) field · Shut IN · Vertical

Mahko #1 (API 42-067-30966) is a well in Cass County operated by Fossil Petroleum LLC, completed July 13, 2025 and listed as shut in on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued March 14, 2025, permitted to 12,000 ft.

Completion filings report 8 formation tops, including Nacatoch, Paluxy, Rodessa, Pettit.

No lease production has been reported under this well’s leases.

Operator of record

Fossil Petroleum LLC

San Angelo, TX · P-5 Y, filed Aug 4, 2025 · 24 permits on file · (325) 374-3575

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	Fossil Petroleum LLC
Production reports	none
Latest permit	Fossil Petroleum LLCMar 14, 2025

12,000: total depth, ft
2: permits on file
Mar 14, 2025: last permit issued
Jul 13, 2025: completed
0: cumulative oil, bbl
0: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jul 2025 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule: ON SCHEDULE
Completed: Jul 13, 2025
Shut in: —
Plugged: —

Operator's P-5 on the schedule: Active

Surface location

32.918062, -94.358284

OpenStreetMap → · Google Maps →

Permit surface location from the RRC GIS record, in Cass County.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Mahko O-6-16147	Hidden Rock (Cotton Valley Lime)	Fossil Petroleum LLC	1	0	0	Jul 2025 – Jul 2026

No volumes reported on these leases in the last three years.

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
906553-98	Drill	Fossil Petroleum LLC	May 21, 2025	Mar 14, 2025	Jun 23, 2025	12,000
906553-99	Drill	Fossil Petroleum LLC	Mar 7, 2025	Mar 14, 2025	—	12,000

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— O-6-16147	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 378 ft elevation.Download CSV →

Formation	MD ft	Subsea
Nacatoch	1,820	-1,442
Paluxy	4,240	-3,862
Rodessa	6,250	-5,872
PettitPETTET	6,890	-6,512
Cotton Valley	9,700	-9,322
BossierBOSSIER SHALE	10,700	-10,322
Hidden Rock	10,947	-10,569
Smackover	—	—

Perforations

Perforated and open-hole intervals.

From	To	Type
10,947	11,024	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
8.625	1,219	11	440 S
5.5	11,150	7.875	1,570 S

Completion filings

W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →

Suffix	Filed	W-2 / G-1 date	Logs referenced
00	Nov 6, 2025	Oct 2, 2025	Yes

The source documents

Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.

Wellbore filings for 42-067-30966 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-067-30966 → scanned completion filings

Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.

Nearby wells and their tops

NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM

Draw a cross-section

This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Geronimo42-067-30954

0.9 KM · Fossil Petroleum LLC · Section with this well →

Nacatoch	1,860	-1,495
Paluxy	4,290	-3,925
Rodessa	6,300	-5,935
James Lime	6,923	-6,558
Pettit	7,140	-6,775
Houston Sand	7,294	-6,929
Cotton Valley	9,786	-9,421
Bossier	10,780	-10,415

10 TOPS · FIRST 8

Walnut42-067-30958

2.2 KM · Rose City Resources, LLC · Section with this well →

Nacatoch	1,848	-1,477
Paluxy	4,350	-3,979
Rodessa	6,492	-6,121
Pettit	7,170	-6,799
Cotton Valley	9,077	-8,706
Smackover	—

Gmfb42-067-30959

2.2 KM · Rose City Resources, LLC · Section with this well →

Nacatoch	1,868	-1,497
Paluxy	4,370	-3,999
Rodessa	6,512	-6,141
Pettit	7,190	-6,819
Cotton Valley	9,097	-8,726
Smackover	—

Jena42-067-30962

2.7 KM · Rose City Resources, LLC · Section with this well →

Nacatoch	1,841	-1,499
Paluxy	4,343	-4,001
Rodessa	6,485	-6,143
Pettit	7,163	-6,821
Cotton Valley	9,070	-8,728
Smackover	—

Grace42-067-30963

2.7 KM · Rose City Resources, LLC · Section with this well →

Nacatoch	1,849	-1,507
Paluxy	4,351	-4,009
Rodessa	6,493	-6,151
Pettit	7,171	-6,829
Cotton Valley	9,078	-8,736
Smackover	—

Price42-067-30848

3.0 KM · Rose City Resources, LLC · Section with this well →

Nacatoch	1,867	-1,468
Paluxy	4,292	-3,893
Rodessa	6,470	-6,071
Pettit	7,165	-6,766
Cotton Valley	8,945	-8,546
Smackover	—

Gina42-067-30857

3.1 KM · Rose City Resources, LLC · Section with this well →

Nacatoch	1,889	-1,541
Paluxy	4,380	-4,032
Rodessa	6,512	-6,164
Pettit	7,199	-6,851
Cotton Valley	8,995	-8,647
Smackover	—

Fant42-067-30841

3.5 KM · Rose City Resources, LLC · Section with this well →

Nacatoch	2,298	-1,941
Paluxy	4,377	-4,020
Rodessa	6,512	-6,155
Pettit	7,199	-6,842
Cotton Valley	8,997	-8,640
Smackover	—

About this data

Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.

New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease

Developers: this page as JSON is GET /v1/data/wells/06730966, documented in the API reference.