CASS County
District 8 · Eagle Ford / Maverick · Permits since 1977-08-05 · Data through 2026-07-28
Cass County permitting is running 2.3 permits a month over the trailing 90 days (7 total, versus 3 in the prior quarter). 1 was issued in the past week. ROSE CITY RESOURCES, LLC leads with 15 permits in the past 12 months, one of 4 operators active in the county. 2 operators filed a first Cass County permit in the past year. Median permitted depth over the past year is 13,000 ft; 75% of the past year's permits are horizontal.
Permits (all)
985
Operators (all)
189
Avg Depth (all)
9,011
Hz % (all)
10%
All Time
985
Depth Range: 900 - 22,500 ft
SWD wells in CASS County → 24 active injection & disposal wells · full UIC inventory
Permit Activity
Permit Types (all)
DRILL
794
RECOMP
126
RENTR
31
OTHER
28
FLD-XFR
6
Top Operators
by permits, trailing 12 mo View All
| OPERATOR | PERMITS 12MO | WELLS |
|---|---|---|
| ROSE CITY RESOURCES, LLC | 15 | 91 |
| SALTWERX LLC | 3 | 1 |
| FOSSIL PETROLEUM LLC | 1 | 2 |
| CHEVRON U. S. A. INC. | 1 | 0 |
Recent Permits
View All| PERMIT | LEASE | TYPE | ISSUED |
|---|---|---|---|
| 916401 | PERRY | DRILL | 2026-07-28 |
| 917270 | JUNIPER | DRILL | 2026-07-23 |
| 915860 | FULLER | DRILL | 2026-07-01 |
| 915467 | LYNN | DRILL | 2026-06-22 |
| 913191 | CLARK | DRILL | 2026-05-28 |
| 914545 | WEBSTER | DRILL | 2026-05-19 |
| 915543 | APOSTLE | DRILL | 2026-05-13 |
| 913001 | ALMA | DRILL | 2026-03-06 |
| 913001 | ALMA | DRILL | 2026-03-06 |
| 912979 | HORACE | DRILL | 2026-02-26 |
New to CASS County
first county permit, past 12 mo| OPERATOR | FIRST PERMIT | PERMITS | BACKGROUND |
|---|---|---|---|
| SALTWERX LLC | 2025-09-02 | 3 | active elsewhere in TX |
| CHEVRON U. S. A. INC. | 2026-07-23 | 1 | active elsewhere in TX |
Formations Beneath CASS County
from RRC completion filings| FORMATION | WELLS | MEDIAN TOP (FT) |
|---|---|---|
| Rodessa | 224 | 6,448 |
| Cotton Valley | 184 | 9,225 |
| Pettit | 181 | 7,299 |
| Paluxy | 174 | 4,490 |
| Nacatoch | 172 | 1,830 |
| Massive Anhydrite (marker) | 78 | 5,626 |
| Travis Peak | 58 | 6,950 |
| Smackover | 46 | 10,511 |