OPERATORS · RRC 139611 · P-5 STATUS Y
Cass Engy Corp
Dallas, TX
Watch this operatorCass Engy Corp has filed no drilling permits in the past 12 months; its most recent permit was issued July 8, 1994.
The RRC wellbore file lists 3 wells under its operatorship.
25 drilling permits have been issued to this operator number since 1991; its P-5 organization report was last filed October 6, 1995.
- 0
- permits, last 12 months
- —
- vs prior 12 months (0)
- 0
- counties, 12 months
- 0
- producing wells, of 3 of record
- 2
- leases it reports
- —
- horizontal, 12 months
WINDOWS ON THE RRC ISSUE DATE · COMPUTED OCT 29, 2026
From permit to spud
FROM THE DATES ON ITS W-1 PERMITS · ALL TIME
A permit is a plan, not a well. These figures count only permits old enough to have spudded, six months and more, and read the spud, cancel, and expiry dates the RRC records on each one.
- 68%
- spud rate · 17 of 25 mature permits
- 8
- median days permit to spud · middle half 4–16
- 0
- spuds, last 180 days
- 4%
- cancelled · 1 permits
- 7
- expired undrilled
- 6
- permits a year over 4 active years
Where
Counties by permits in the last 12 months, with all-time permits and current wells of record there.
| County | 12 mo | All time | Wells | Last |
|---|---|---|---|---|
| Concho county → | — | 10 | 1 | Mar 30, 1993 |
| Irion county → | — | 10 | 0 | Sep 28, 1992 |
| Garza county → | — | 1 | 0 | Nov 15, 1991 |
| Kent county → | — | 1 | 0 | Oct 16, 1991 |
| Lipscomb county → | — | 1 | 0 | Nov 19, 1993 |
| Schleicher county → | — | 1 | 0 | Jul 8, 1994 |
| Stonewall county → | — | 1 | 0 | May 2, 1991 |
All 25 permits, searchable → · Leases it reports → · On the map →
Formations in its completed wells
Tops reported on completion filings for wells it operates. RRC wellbore file. About tops →
| Formation | Wells | Permitted last 3 yrs |
|---|---|---|
| Canyon | 6 | 0 |
| San Angelo | 5 | 0 |
| Clear Fork | 4 | 0 |
| Wolfcamp | 3 | 0 |
Production by month
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Barrels on leases where this operator filed the production report. Lease-level by design; the latest months are revised upward as late reports arrive. How production is reported →
- 0
- bbl oil, last 12 reported months
- —
- vs the 12 months before
- 0
- mcf gas incl. casinghead, last 12
- 151K
- bbl oil since reporting began
No lease production reported under this operator number in the last three years.
Beyond the permit record
RRC wellbore file
Wells of record
- 3
- on the schedule
- 0
- producing
- 0
- shut in
- 0
- injection
- 0
- temp. abandoned
- 3
- plugged
How it got them
- 1
- permitted itself
- 1
- acquired from others
- 14
- permitted, now run by others
Acquired means the well's permit names a different operator than the schedule does today. Transfers and operator numbers →
Permit types
Last 12 months against the prior 12, and all time. A type opens the permit history filtered to it. What the types mean →
| Type | 12 mo | Prior 12 | All time |
|---|---|---|---|
| Drill | 0 | 0 | 18 |
| Reenter | 0 | 0 | 4 |
| Recompletion | 0 | 0 | 2 |
| Other | 0 | 0 | 1 |
Fields
RRC regulatory fields with the most wells of record under this operator. The field opens its page; the count opens this operator's wells in it.
| Field | Wells | Producing |
|---|---|---|
| Arena (Goen)3502400 | 1 | 0 |
| Spraberry (Trend Area)85279200 | 1 | 0 |
| Spraberry (Trend Area CL. Fk.)85279400 | 1 | 0 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed Oct 6, 1995
- Address
- 5950 Berkshire LN Ste 530
- Dallas, TX 75225
- Officers and agents
- Cass, William G. · President
- Minczewski, James R · Vice President/Treasurer
- Wimberly, Gayle · Secretary/Treasurer
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
| Permit | Seen | Issued | Operator | County | Lease / well | Depth | API |
|---|---|---|---|---|---|---|---|
| 425694 | Jul 8, 1994 | Jul 8, 1994 | Cass Energy Corp | Schleicher | Robinson #1 | 6,800 | 41331895 |
| 418406 | Nov 19, 1993 | Nov 19, 1993 | Cass Energy Corp | Lipscomb | Parsons #1 | 7,000 | 29532165 |
| 410323 | Mar 30, 1993 | Mar 30, 1993 | Cass Energy Corp | Concho | Cass-Hall #1 | 2,500 | 09531554 |
| 407674 | Dec 30, 1992 | Dec 30, 1992 | Cass Energy Corp | Concho | Cass-Schreiber #1 | 2,500 | 09531524 |
| 404124 | Oct 1, 1992 | Oct 1, 1992 | Cass Energy Corp | Concho | Bunger #2 | 2,500 | 09531504 |
| 403832 | Sep 28, 1992 | Sep 28, 1992 | Cass Energy Corp | Irion | Hoyt, Joan Crews #8 | 6,540 | 23532913 |
| 399631 | May 28, 1992 | May 28, 1992 | Cass Energy Corp | Irion | Georgetown #1 | 7,500 | 23533094 |
| 399706 | May 27, 1992 | May 27, 1992 | Cass Energy Corp | Concho | Sorrell "B" #2 | 2,500 | 09531469 |
| 399368 | May 18, 1992 | May 18, 1992 | Cass Energy Corp | Concho | Bunger #1 | 2,500 | 09531465 |
| 399023 | May 8, 1992 | May 8, 1992 | Cass Energy Corp | Irion | Hoyt, Joan Crews #17 | 6,700 | 23533087 |
| 398891 | May 4, 1992 | May 4, 1992 | Cass Energy Corp | Irion | Hoyt, Joan Crews #16 | 6,535 | 23532966 |
| 398649 | Apr 23, 1992 | Apr 23, 1992 | Cass Energy Corp | Irion | Hoyt, Joan Crews #22 | 6,700 | 23533086 |
| 396861 | Feb 20, 1992 | Feb 20, 1992 | Cass Energy Corp | Concho | Sorrell "C" #1 | 4,000 | 09531103 |
| 394511 | Nov 27, 1991 | Nov 27, 1991 | Cass Energy Corp | Concho | Sorrell 'B' #1 | 3,999 | 09531024 |
| 394511 | Nov 27, 1991 | Nov 27, 1991 | Cass Energy Corp | Concho | Sorrell 'B' #1 | 3,999 | 09531024 |
About this data
Registration from the RRC P-5 organization report, refreshed weekly. Permits from the OGA049M master and daily daf420 files; wells of record from the EWA wellbore schedule; production from PDQ lease reports at the last vintage; disposal from UIC permits and H-10 reports. Summary figures are rebuilt nightly.
Developers: this page as JSON is GET /v1/data/operators/tx/139611, documented in the API reference.