Skip to content
Royalty Clerk

RRC operator 278879

Fossil Petroleum LLC

Fossil Petroleum LLC reported 17,455 barrels of oil and 22,847 mcf of gas in the last 12 months.

Operator dossier

17,455bbl oil, last 12 months−45% vs prior year
Producing leases
5of 9 on record
Counties
4
Biggest county
Cass County
Biggest field
Hidden Rock (Cotton Valley Lime)

Get checks from Fossil Petroleum LLC?

Check my statement

Where they work

fewermore

Runnels County: 2 producing leasesCass County: 1 producing leaseWood County: 1 producing leaseReagan County: 1 producing leaseCassWoodReagan
4 counties
Gas, last 12 months
22,847 mcf
Fields
4
Data through
Jul 2026
Leases on record
9

Five years of Fossil Petroleum LLC output

Oil output from Fossil Petroleum LLC fell 45% over the last 12 months

17.5k bbl through Jul 2026, against 31.6k bbl a year earlier. Peak Mar 2025: 5,571 bbl.

Oil output from Fossil Petroleum LLC fell 45% over the last 12 months17.5k bbl through Jul 2026, against 31.6k bbl a year earlier. Peak Mar 2025: 5,571 bbl.Oil, bbl per month02,0004,0006,000Peak 5,571 (Mar 25)1,55920222023202420252026
Oil output from Fossil Petroleum LLC fell 45% over the last 12 months17.5k bbl through Jul 2026, against 31.6k bbl a year earlier. Peak Mar 2025: 5,571 bbl.Oil, bbl per month02,0004,0006,000Peak 5,571 (Mar 25)1,559'22'23'24'25'26

Gas output from Fossil Petroleum LLC fell 11% over the last 12 months

22.8k mcf through Jul 2026, against 25.8k mcf a year earlier. Peak May 2023: 37.9k mcf.

Gas output from Fossil Petroleum LLC fell 11% over the last 12 months22.8k mcf through Jul 2026, against 25.8k mcf a year earlier. Peak May 2023: 37.9k mcf.Gas, mcf per month010k20k30k40kPeak 37.9k (May 23)1,65920222023202420252026
Gas output from Fossil Petroleum LLC fell 11% over the last 12 months22.8k mcf through Jul 2026, against 25.8k mcf a year earlier. Peak May 2023: 37.9k mcf.Gas, mcf per month010k20k30k40kPeak 37.9k (May 23)1,659'22'23'24'25'26

SourceTexas Railroad Commission Production Data Query, operator 278879, through Jul 2026, file dated Sep 18, 2026.

Fossil Petroleum LLC leases, biggest first

Under each volume: change on the year before.

Showing 5 of 5.

Search by lease name →

SourceTexas Railroad Commission Production Data Query.

Counties and fields where Fossil Petroleum LLC produces

Counties, by Fossil Petroleum LLC oil

Cass County leads

  1. Cass County1 lease13.5kbbl
  2. Wood County1 lease4,406bbl
  3. Reagan County1 lease893bbl
  4. Runnels County2 leases85bbl

Fields, by Fossil Petroleum LLC oil

Hidden Rock (Cotton Valley Lime) leads

  1. Hidden Rock (Cotton Valley Lime)1 lease · District 06 · Field 4109010013.5kbbl
  2. Neuhoff (Paluxy)1 lease · District 06 · Field 650114004,406bbl
  3. Spraberry (Trend Area)1 lease · District 7C · Field 85279200893bbl
  4. Hollow Creek (Dog Bend)2 leases · District 7C · Field 4223316685bbl

Recent drilling permits for Fossil Petroleum LLC

Where the gas of Fossil Petroleum LLC went

Plants
82%
Pipelines
13%
Lease fuel
4.7%
Flared or vented
0.0%

SourceTexas Railroad Commission Production Data Query, last 12 months. What the codes mean