OPERATORS · RRC 950725 · P-5 STATUS Y
Ziegler Oper Co
Houston, TX
Watch this operatorZiegler Oper CO has filed no drilling permits in the past 12 months; its most recent permit was issued August 2, 1988.
The RRC wellbore file lists 4 wells under its operatorship.
4 drilling permits have been issued to this operator number since 1982; its P-5 organization report was last filed December 4, 1998.
- 0
- permits, last 12 months
- —
- vs prior 12 months (0)
- 0
- counties, 12 months
- 0
- producing wells, of 4 of record
- 3
- leases it reports
- —
- horizontal, 12 months
WINDOWS ON THE RRC ISSUE DATE · COMPUTED OCT 29, 2026
Where
Counties by permits in the last 12 months, with all-time permits and current wells of record there.
All 4 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 |
|---|---|---|
| Woodbine | 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
- 21
- 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
- 4
- on the schedule
- 0
- producing
- 0
- shut in
- 0
- injection
- 0
- temp. abandoned
- 4
- plugged
How it got them
- 0
- permitted itself
- 4
- acquired from others
- 1
- 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 |
|---|---|---|
| Coleman County Regular19511001 | 2 | 0 |
| Ansley3044001 | 1 | 0 |
| Ralston-Bragg (Gray Sand)74358500 | 1 | 0 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed Dec 4, 1998
- Address
- 5075 Westheimer Suite 795
- Houston, TX 77056
- Officers and agents
- Ziegler, Cynthia J. · President
- Ziegler, Edward R. · Vice President/Secretary/Treasur
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
| Permit | Seen | Issued | Operator | County | Lease / well | Depth | API |
|---|---|---|---|---|---|---|---|
| 349686 | Aug 2, 1988 | Aug 2, 1988 | Ziegler Operating Company | Navarro | Fullwood, P. T. #3 | 3,500 | 34900175 |
| 349685 | Aug 2, 1988 | Aug 2, 1988 | Ziegler Operating Company | Navarro | Fullwood, P. T. #4 | 3,500 | 34900179 |
| 346100 | May 5, 1988 | May 5, 1988 | Ziegler Operating Company | Navarro | Fullwood, P. T. #1X | 3,500 | 34900173 |
| 269409 | Mar 12, 1985 | Mar 12, 1985 | Ashford Oil & Gas Company | Wharton | Westmoreland, J. #1 | 8,000 | 48132828 |
| 162188 | May 27, 1982 | May 27, 1982 | Ziegler Operating Company | Runnels | Ernst, H. H. #01 | 4,280 | 39932474 |
| 123883 | Jul 3, 1981 | Jul 3, 1981 | Barry, S. K. | Coleman | Bragg #1 | 3,952 | 08300646 |
| 58169 | Sep 18, 1979 | Sep 18, 1979 | Barry, S. K. | Coleman | Bragg, Z. #1A | 4,006 | 08304616 |
| 48544 | May 15, 1979 | May 15, 1979 | Barry, S. K. | Coleman | McCord #1 | 4,100 | 08331739 |
| 31523 | Aug 28, 1978 | Aug 28, 1978 | Barry, S. K. | Coleman | Bragg #1 | 3,952 | 08300646 |
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/950725, documented in the API reference.