OPERATORS · RRC 950864 · P-5 STATUS Y
Zinke & Trumbo, Ltd
Tulsa, OK
Watch this operatorZinke & Trumbo, Ltd has filed no drilling permits in the past 12 months; its most recent permit was issued February 21, 1991.
The RRC wellbore file lists 2 wells under its operatorship.
12 drilling permits have been issued to this operator number since 1983; its P-5 organization report was last filed April 5, 1999.
- 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 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.
- 33%
- spud rate · 4 of 12 mature permits
- 16
- median days permit to spud · middle half 10–29
- 0
- spuds, last 180 days
- 0%
- cancelled · 0 permits
- 8
- expired undrilled
- 2
- permits a year over 8 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 |
|---|---|---|---|---|
| Lipscomb county → | — | 6 | 1 | Mar 25, 1988 |
| Ochiltree county → | — | 4 | 1 | Jul 12, 1990 |
| Roberts county → | — | 2 | 0 | Feb 21, 1991 |
All 12 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 →
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 three years.
Beyond the permit record
RRC wellbore file
Wells of record
- 2
- on the schedule
- 0
- producing
- 0
- shut in
- 0
- injection
- 0
- temp. abandoned
- 2
- plugged
How it got them
- 1
- permitted itself
- 1
- acquired from others
- 5
- 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 →
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 |
|---|---|---|
| Follett NW. (Morrow Upper)31833666 | 1 | 0 |
| Schultz (Morrow Lower)81619300 | 1 | 0 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed Apr 5, 1999
- Address
- 1202 East 33RD Ste 100
- Tulsa, OK 74105
- Officers and agents
- Swayze, Steve-Kilgore & Kilgore · Texas Resident Agent
- Zinke & Trumbo, Inc. · General Partner
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
| Permit | Seen | Issued | Operator | County | Lease / well | Depth | API |
|---|---|---|---|---|---|---|---|
| 400044 | Jun 11, 1992 | Jun 11, 1992 | P. L. O. | Ochiltree | Sullivan #1 | 7,400 | 35731930 |
| 384892 | Feb 21, 1991 | Feb 21, 1991 | Zinke & Trumbo, Ltd. | Roberts | Wilde, Katie #1056 | 9,800 | 39331162 |
| 384892 | Feb 21, 1991 | Feb 21, 1991 | Zinke & Trumbo, Ltd. | Roberts | Wilde, Katie #1056 | 9,800 | 39331162 |
| 375433 | Jul 12, 1990 | Jul 12, 1990 | Zinke & Trumbo, Ltd. | Ochiltree | Stewart Unit #1120 | 8,800 | 35731331 |
| 369549 | Feb 8, 1990 | Feb 8, 1990 | Zinke & Trumbo, Ltd. | Ochiltree | Stewart Trust #1120 | 8,750 | 35731945 |
| 359236 | May 19, 1989 | May 19, 1989 | Zinke & Trumbo, Ltd. | Ochiltree | Sullivan, Thelma #1120 | 9,600 | 35731930 |
| 359236 | May 19, 1989 | May 19, 1989 | Zinke & Trumbo, Ltd. | Ochiltree | Sullivan, Thelma #1120 | 9,550 | 35731930 |
| 344361 | Mar 25, 1988 | Mar 25, 1988 | Zinke & Trumbo, Ltd. | Lipscomb | Squire, Mary K. #108 | 9,100 | 29531794 |
| 340636 | Dec 23, 1987 | Dec 23, 1987 | Zinke & Trumbo, Ltd. | Lipscomb | Laubam, Merlin #1081 | 9,100 | 29531783 |
| 280184 | Jul 16, 1985 | Jul 16, 1985 | Zinke & Trumbo, Ltd. | Lipscomb | Sperry, Ocel #11063 | 9,610 | 29531645 |
| 280184 | Jul 16, 1985 | Jul 16, 1985 | Zinke & Trumbo, Ltd. | Lipscomb | Sperry, Ocel #11063 | 9,610 | 29531645 |
| 217935 | Oct 19, 1983 | Oct 19, 1983 | Zinke & Trumbo, Ltd. | Lipscomb | Daniels-Elmore #1 | 9,050 | 29531415 |
| 201975 | Jul 19, 1983 | Jul 19, 1983 | Zinke & Trumbo, Ltd. | Lipscomb | Ora Sperry Unit #1 | 9,000 | 29531357 |
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/950864, documented in the API reference.