OPERATORS · RRC 950870 · P-5 STATUS Y
Zinn Petro Co
Houston, TX
Watch this operatorZinn Petro CO has filed no drilling permits in the past 12 months; its most recent permit was issued April 27, 2009.
The RRC wellbore file lists 56 wells under its operatorship.
186 drilling permits have been issued to this operator number since 1977; its P-5 organization report was last filed September 4, 2025.
- 0
- permits, last 12 months
- —
- vs prior 12 months (0)
- 0
- counties, 12 months
- 0
- producing wells, of 56 of record
- 69
- 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.
- 48%
- spud rate · 90 of 186 mature permits
- 14
- median days permit to spud · middle half 4–38
- 0
- spuds, last 180 days
- 1%
- cancelled · 1 permits
- 95
- expired undrilled
- 6
- permits a year over 32 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 |
|---|---|---|---|---|
| Brazoria county → | — | 23 | 4 | Nov 9, 1998 |
| Hardin county → | — | 19 | 3 | Feb 28, 1990 |
| Matagorda county → | — | 19 | 2 | Jan 24, 2008 |
| Jackson county → | — | 17 | 8 | Jan 16, 2004 |
| Goliad county → | — | 14 | 5 | Nov 9, 2004 |
| Wharton county → | — | 13 | 5 | Oct 4, 2001 |
| Colorado county → | — | 11 | 2 | Mar 2, 1999 |
| Lavaca county → | — | 11 | 3 | Sep 1, 1999 |
| Bee county → | — | 7 | 2 | Feb 10, 1982 |
| Fort Bend county → | — | 7 | 4 | Jun 2, 2000 |
| DE Witt county → | — | 5 | 4 | Apr 27, 2009 |
| Live Oak county → | — | 5 | 1 | Aug 6, 1998 |
| Montgomery county → | — | 5 | 0 | Jun 21, 1989 |
| Jefferson county → | — | 3 | 2 | Oct 6, 1998 |
| San Jacinto county → | — | 3 | 0 | Sep 17, 1980 |
| Bastrop county → | — | 2 | 0 | Jun 21, 1988 |
| Harris county → | — | 2 | 0 | Sep 23, 1982 |
| Hidalgo county → | — | 2 | 0 | Sep 11, 1980 |
| Jasper county → | — | 2 | 0 | Mar 14, 1995 |
| Karnes county → | — | 2 | 1 | May 11, 1994 |
| Kleberg county → | — | 2 | 0 | Feb 3, 1993 |
| Liberty county → | — | 2 | 3 | Jun 15, 1983 |
| Polk county → | — | 2 | 1 | Dec 8, 1978 |
| Tyler county → | — | 2 | 1 | Sep 20, 1996 |
| Austin county → | — | 1 | 0 | Oct 3, 1989 |
| Calhoun county → | — | 1 | 1 | Jul 20, 1992 |
| Fayette county → | — | 1 | 0 | Oct 14, 1985 |
| Jim Hogg county → | — | 1 | 0 | Jan 10, 1996 |
| Menard county → | — | 1 | 0 | Feb 15, 1999 |
| Newton county → | — | 1 | 0 | Jul 12, 1995 |
All 186 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
- 822K
- 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
- 56
- on the schedule
- 0
- producing
- 0
- shut in
- 0
- injection
- 0
- temp. abandoned
- 48
- plugged
How it got them
- 43
- permitted itself
- 6
- acquired from others
- 39
- permitted, now run by others
Acquired means the well's permit names a different operator than the schedule does today. Transfers and operator numbers →
RRC UIC permits · H-10 reported volumes
Disposal and injection
- 0
- active UIC permits of 3
- 0
- permitted bbl/day, active
- 0
- bbl injected, last 12 reported months
- Jun 2025
- reported through
Permitted volume is a ceiling, not throughput. How to read it →
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 | 115 |
| Recompletion | 0 | 0 | 63 |
| Reenter | 0 | 0 | 5 |
| Other | 0 | 0 | 3 |
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 |
|---|---|---|
| Wildcat12001 | 3 | 0 |
| Clodine West (5300)19057350 | 3 | 0 |
| Hordes Creek East (8450)42576800 | 2 | 0 |
| Nolte Marsh (NB 2 Sd.)65768500 | 2 | 0 |
| Elbert Goff (Frio 4230)28271200 | 2 | 0 |
| Spanish Camp W. (3950 Frio)84890300 | 2 | 0 |
| Bell Lake (9800)6910600 | 2 | 0 |
| Elbert Goff (4000 Frio)28271550 | 2 | 0 |
| Chenango West (8050)17424150 | 1 | 0 |
| Devil (Discorbis)24441300 | 1 | 0 |
| Bozka (2700 Frio Sand)11148550 | 1 | 0 |
| Bay Prairie South (Frio 6350)6310500 | 1 | 0 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed Sep 4, 2025
- Address
- Attn Marquee Corp 950 Echo Lane Suite 355
- Houston, TX 77024
- (713) 222-7706
- Officers and agents
- Zinn, Robert L. · Sole Proprietor
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
| Permit | Seen | Issued | Operator | County | Lease / well | Depth | API |
|---|---|---|---|---|---|---|---|
| 680311 | Apr 27, 2009 | Apr 27, 2009 | Zinn Petroleum Co. | DE Witt | Brown #1 | 13,248 | 12332183 |
| 649219 | Jan 24, 2008 | Jan 24, 2008 | Zinn Petroleum Co. | Matagorda | Cedar Lakes #1 | 6,435 | 32131571 |
| 648113 | Oct 24, 2007 | Oct 24, 2007 | Winn Exploration Co., Inc. | DE Witt | Brown #1 | 15,000 | 12332183 |
| 553061 | Nov 9, 2004 | Nov 9, 2004 | Zinn Petroleum Co. | Goliad | Brinkoeter #3 | 8,505 | 17532830 |
| 540612 | Jan 16, 2004 | Jan 16, 2004 | Zinn Petroleum Co. | Jackson | Goff #4 | 4,100 | 23932846 |
| 536114 | Oct 16, 2003 | Oct 16, 2003 | Zinn Petroleum Co. | Jackson | Ploeger, Dorothy #1 | 3,000 | 23933233 |
| 536114 | Sep 11, 2003 | Sep 11, 2003 | Zinn Petroleum Co. | Jackson | Ploeger, Dorothy #1 | 3,000 | 23933233 |
| 527113 | Jan 23, 2003 | Jan 23, 2003 | Zinn Petroleum Co. | Jackson | Jansky-McNeil #1 | 9,400 | 23933198 |
| 527113 | Jan 23, 2003 | Jan 23, 2003 | Zinn Petroleum Co. | Jackson | Jansky-McNeil #1 | 9,650 | 23933198 |
| 527112 | Jan 17, 2003 | Jan 17, 2003 | Zinn Petroleum Co. | Jackson | Grizzle, Ploeger #1 | 6,500 | 23933197 |
| 526906 | Jan 6, 2003 | Jan 6, 2003 | Zinn Petroleum Co. | Jackson | Koenig-Ploeger #1 | 9,450 | 23933196 |
| 526906 | Jan 6, 2003 | Jan 6, 2003 | Zinn Petroleum Co. | Jackson | Koenig-Ploeger #1 | 9,450 | 23933196 |
| 524322 | Nov 4, 2002 | Nov 4, 2002 | Zinn Petroleum Co. | Jackson | Moore, John M. #1 | 9,400 | 23933182 |
| 514066 | Oct 4, 2001 | Oct 4, 2001 | Zinn Petroleum Co. | Wharton | Duncan #11 | 3,050 | 48134411 |
| 509845 | Jun 7, 2001 | Jun 7, 2001 | Zinn Petroleum Co. | Wharton | Duncan #10 | 3,050 | 48134379 |
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/950870, documented in the API reference.