OPERATORS · TEXAS · P-5 NUMBER 139587
Cass, Frank
- P-5 status
- Inactive (I)
- P-5 last filed
- Dec 22, 1981
- Based in
- Dallas, TX
Cass, Frank has filed no drilling permits in the past 12 months; its most recent permit was issued February 24, 1983.
The RRC wellbore file lists 2 wells under its operatorship.
70 drilling permits have been issued to this operator number since 1978; its P-5 organization report was last filed December 22, 1981.
- 0
- permits, last 12 months
- —
- vs prior 12 months (0)
- 0
- counties, 12 months
- 0
- producing wells, of 2 of record
- 0
- leases it reports
- —
- horizontal, 12 months
WINDOWS ON THE RRC ISSUE DATE · COMPUTED NOV 5, 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.
- 24%
- spud rate · 17 of 70 mature permits
- 47
- median days permit to spud · middle half 26–181
- 0
- spuds, last 180 days
- 1%
- canceled · 1 permits
- 52
- expired undrilled
- 14
- permits a year over 5 active years
Permits issued by month
LAST 60 MONTHS · BY ISSUE DATE
Last 12 months 0 · prior 12 0
Counties
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 |
|---|---|---|---|---|
| Reagan county → | — | 31 | 1 | May 12, 1982 |
| Sutton county → | — | 27 | 0 | Feb 24, 1983 |
| Upton county → | — | 6 | 0 | Aug 3, 1982 |
| Glasscock county → | — | 5 | 1 | Jul 30, 1980 |
| Midland county → | — | 1 | 0 | Aug 9, 1979 |
All 70 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 |
|---|---|---|
| Spraberry | 3 | 0 |
| Clear Fork | 2 | 0 |
| Dean | 2 | 0 |
| Wolfcamp | 1 | 0 |
| Canyon | 1 | 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
- 0
- bbl oil since reporting began
No lease production reported under this operator number in the last ten years.
Beyond the permit record
RRC wellbore file
Wells of record
How it got them
Each count opens the wells it counts. Acquired means the well's permit names a different operator than the schedule does today; wells it permitted that others now run are in its permit history, marked with who runs them now. 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 | 35 |
| Recompletion | 0 | 0 | 21 |
| Other | 0 | 0 | 14 |
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 |
|---|---|---|
| Calvin (Dean)14937333 | 2 | 0 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status Inactive (I)
- Last filed Dec 22, 1981
- Address
- 2727 Routh Street
- Dallas, TX 75201
- (214) 747-1946
- Officers and agents
- None listed.
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
| Permit | Seen | Issued | Operator | County | Lease / well | Depth | API |
|---|---|---|---|---|---|---|---|
| 186850 | Feb 24, 1983 | Feb 24, 1983 | Cass, Frank | Sutton | Baker-Friess #102 | 5,200 | 43532938 |
| 172372 | Sep 16, 1982 | Sep 16, 1982 | Cass, Frank | Sutton | Cain 8 #1 | 6,000 | 43532020 |
| 171616 | Sep 8, 1982 | Sep 8, 1982 | Cass, Frank | Sutton | Allison-Miers #7402 | 5,800 | 43580071 |
| 169515 | Aug 17, 1982 | Aug 17, 1982 | Cass, Frank | Sutton | Allison-Miers #7401 | 5,800 | 43531127 |
| 169307 | Aug 16, 1982 | Aug 16, 1982 | Cass, Frank | Sutton | Nahurski 73 #2 | 5,800 | 43580070 |
| 169305 | Aug 16, 1982 | Aug 16, 1982 | Cass, Frank | Sutton | Askew 100 #1 | 6,000 | 43580069 |
| 169304 | Aug 16, 1982 | Aug 16, 1982 | Cass, Frank | Sutton | Schwiening 9 #1 | 6,200 | 43580068 |
| 168044 | Aug 3, 1982 | Aug 3, 1982 | Cass, Frank | Upton | Elkin 30 #2 | 9,400 | 46131934 |
| 168042 | Aug 3, 1982 | Aug 3, 1982 | Cass, Frank | Upton | Elkin '30' #1 | 9,400 | 46131933 |
| 160565 | May 13, 1982 | May 13, 1982 | Cass, Frank | Sutton | Allison-Miers #7101 | 6,000 | 43532712 |
| 160564 | May 13, 1982 | May 13, 1982 | Cass, Frank | Sutton | Allison-Miers #7001 | 6,000 | 43532711 |
| 160560 | May 13, 1982 | May 13, 1982 | Cass, Frank | Sutton | Zapata #6501 | 6,900 | 43530051 |
| 160558 | May 13, 1982 | May 13, 1982 | Cass, Frank | Sutton | Zapata #2401 | 6,000 | 43532709 |
| 161009 | May 12, 1982 | May 12, 1982 | Cass, Frank | Reagan | Maud Branch SF-13721 #1 | 8,200 | 38332228 |
| 160492 | May 12, 1982 | May 12, 1982 | Cass, Frank | Sutton | Allison-Miers #8003 | 6,000 | 43532713 |
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 by the operator that filed them, through the statewide reported-through month; disposal from UIC permits and H-10 reports. Summary figures are rebuilt nightly. Nothing is estimated.
Developers: this page as JSON is GET /v1/data/operators/tx/139587, documented in the API reference.