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
- 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.
Where it sits
This county
- 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
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.
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.
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
130,044bbl oilno full prior year
129,201bbl oilno full prior year
117,345bbl oilno full prior year
105,109bbl oilno full prior year
97,599bbl oil−20% on the year before
86,200bbl oil−54% on the year before
73,760bbl oil−26% on the year before
73,546bbl oilno full prior year
60,098bbl oil−30% on the year before
57,736bbl oil−36% on the year before
56,721bbl oil+26% on the year before
53,473bbl oil+8% on the year before
45,780bbl oilno full prior year
43,017bbl oil−2% on the year before
42,040bbl oilno full prior year
40,973bbl oilno full prior year
38,130bbl oilno full prior year
34,265bbl oil−51% on the year before
32,718bbl oilno full prior year
31,116bbl oil−2% on the year before
30,289bbl oil−46% on the year before
28,767bbl oil−50% on the year before
27,640bbl oil−49% on the year before
24,980bbl oil−38% on the year before
24,774bbl oil−39% on the year before
Showing 25 of 150 (the 150 largest of 224 producing 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
Operators in Cass County, by oil
Rose City Resources leads
- Rose City Resources, LLC85 producing leases here1.6Mbbl
- Barrow-Shaver Resources Co.37 producing leases here461kbbl
- Stetson Petroleum Corp.22 producing leases here63.6kbbl
- Sulphur River Exploration, Inc.7 producing leases here61.2kbbl
- Stroud Petroleum, Inc.9 producing leases here17.9kbbl
- Fossil Petroleum LLC1 producing lease here13.5kbbl
- Cass Energy LLC11 producing leases here8,884bbl
- McCormick Production Co, Inc.2 producing leases here8,159bbl
Fields in Cass County, by oil
Hidden Rock (Cotton Valley Lime) leads
- Hidden Rock (Cotton Valley Lime)118 producing leases here · District 06 · Field 410901002.1Mbbl
- Linden, East ( Cotton Valley)23 producing leases here · District 06 · Field 5367114291.9kbbl
- Frost (Smackover)2 producing leases here · District 06 · Field 3310550051.3kbbl
- McLeod, North (CV)5 producing leases here · District 06 · Field 5974907524.1kbbl
- Rodessa (Dees Young)19 producing leases here · District 06 · Field 7780724519.7kbbl
- Haynes (Mitchell)11 producing leases here · District 06 · Field 398296648,884bbl
- Rodessa (Huffins-Hill)5 producing leases here · District 06 · Field 778076308,466bbl
- Rodessa (Hill)4 producing leases here · District 06 · Field 778074207,373bbl
More operators here
Recent drilling permits in Cass County
No drilling permits in Cass County are in our data yet.
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.