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Royalty Clerk

Texas county · RRC district 06

Cass County

Cass County reported 2.3 million barrels of oil and 1.7 million mcf of gas in the 12 months through Jul 2026. That ranks 46th of 224 Texas counties by oil.

County dossier · #46 of 224 for oil

2,330,842bbl oil, last 12 months−19% vs prior year
Producing leases
224of 318 on record
Operators
23
Fields
27
Top operator
Rose City Resources, LLC

Own minerals in Cass County?

Upload a royalty check stub or a phone photo. We compare each month with the Jul 2026 state numbers for the leases below.

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Where it sits

This county

Cass CountyCassUpshurBowieMorrisRed RiverMarionTitusCampCass County
Cass County · RRC district 06
Gas, last 12 months
1,668,883 mcf
Share of Texas oil
0.1%
Leases on record
318
Data through
Jul 2026

Production

Five years of output in Cass County

Monthly totals for every lease the Railroad Commission places in this county. Oil is in barrels (bbl), gas in thousand cubic feet (mcf).

Oil output in Cass County fell 19% over the last 12 months

2.3M bbl in the 12 months through Jul 2026, against 2.9M bbl in the 12 months before. Peak month: May 2025, 304k bbl.

Oil output in Cass County fell 19% over the last 12 months2.3M bbl in the 12 months through Jul 2026, against 2.9M bbl in the 12 months before. Peak month: May 2025, 304k bbl.Oil, bbl per month0100k200k300k400kPeak 304k (May 25)162k20222023202420252026
Oil output in Cass County fell 19% over the last 12 months2.3M bbl in the 12 months through Jul 2026, against 2.9M bbl in the 12 months before. Peak month: May 2025, 304k bbl.Oil, bbl per month0100k200k300k400kPeak 304k (May 25)162k'22'23'24'25'26

Gas output in Cass County fell 27% over the last 12 months

1.7M mcf in the 12 months through Jul 2026, against 2.3M mcf in the 12 months before. Peak month: Dec 2024, 255k mcf.

Gas output in Cass County fell 27% over the last 12 months1.7M mcf in the 12 months through Jul 2026, against 2.3M mcf in the 12 months before. Peak month: Dec 2024, 255k mcf.Gas, mcf per month0100k200k300kPeak 255k (Dec 24)164k20222023202420252026
Gas output in Cass County fell 27% over the last 12 months1.7M mcf in the 12 months through Jul 2026, against 2.3M mcf in the 12 months before. Peak month: Dec 2024, 255k mcf.Gas, mcf per month0100k200k300kPeak 255k (Dec 24)164k'22'23'24'25'26

SourceTexas Railroad Commission, Production Data Query, county totals of every lease. Reported through Jul 2026, file dated Sep 18, 2026. The newest month is often revised as operators file late.

Leases

The biggest leases in Cass County

Ranked by what they produced in the last 12 months. Sort, filter by operator or field, and open any lease for its month-by-month ledger.

Showing 25 of 150 (the 150 largest of 224 producing leases).

Search all 318 leases →

SourceTexas Railroad Commission, Production Data Query. Ranked by an approximate value of last-12-month output, so oil and gas wells sort together.

In Cass County

Who runs the leases, and what they produce

Your royalty check comes from the operator. These are the ones with the most output here.

Operators in Cass County, by oil

Rose City Resources leads

  1. Rose City Resources, LLC85 producing leases here1.6Mbbl
  2. Barrow-Shaver Resources Co.37 producing leases here461kbbl
  3. Stetson Petroleum Corp.22 producing leases here63.6kbbl
  4. Sulphur River Exploration, Inc.7 producing leases here61.2kbbl
  5. Stroud Petroleum, Inc.9 producing leases here17.9kbbl
  6. Fossil Petroleum LLC1 producing lease here13.5kbbl
  7. Cass Energy LLC11 producing leases here8,884bbl
  8. McCormick Production Co, Inc.2 producing leases here8,159bbl

Fields in Cass County, by oil

Hidden Rock (Cotton Valley Lime) leads

  1. Hidden Rock (Cotton Valley Lime)118 producing leases here · District 06 · Field 410901002.1Mbbl
  2. Linden, East ( Cotton Valley)23 producing leases here · District 06 · Field 5367114291.9kbbl
  3. Frost (Smackover)2 producing leases here · District 06 · Field 3310550051.3kbbl
  4. McLeod, North (CV)5 producing leases here · District 06 · Field 5974907524.1kbbl
  5. Rodessa (Dees Young)19 producing leases here · District 06 · Field 7780724519.7kbbl
  6. Haynes (Mitchell)11 producing leases here · District 06 · Field 398296648,884bbl
  7. Rodessa (Huffins-Hill)5 producing leases here · District 06 · Field 778076308,466bbl
  8. Rodessa (Hill)4 producing leases here · District 06 · Field 778074207,373bbl

More operators here

OperatorMcCormick Production Co, Inc.2OperatorOil Patch Operators Co., L.L.C.15OperatorEagle Oil & Gas Co.2OperatorMagnolia Production Co3
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Recent drilling permits in Cass County

For owners

Minerals in Cass County, in plain terms

Rank by oil
46 of 224
Share of Texas oil
0.1%
Producing leases
224
Operators
23

If you inherited mineral rights in Cass County, the money comes from an operator: the company that drills and runs the wells. Here, the largest is Rose City Resources, LLC, among 23 operators with producing leases.

Each lease has a name, a Railroad Commission district and a lease number. Your check stub prints them, or a version of them. Search the name on your stub, open the lease, and compare the “oil sold” and “gas sold” volumes for the month with the barrels and mcf on your stub.

We hold 318 leases in Cass County, of which 224 reported production recently. The state publishes county totals two to three months late, so Jul 2026 is the newest month.