OPERATORS · RRC 90765 · P-5 STATUS Y
Brenham Drilling Co
Flatonia, TX
Watch this operatorBrenham Drilling CO has filed no drilling permits in the past 12 months; its most recent permit was issued March 25, 1987.
The RRC wellbore file lists 24 wells under its operatorship (14 producing).
Lease reports credit it with 1.9K barrels of oil and 0 mcf of gas in the 12 months reported through April 2026.
24 drilling permits have been issued to this operator number since 1977; its P-5 organization report was last filed November 4, 2025.
- 0
- permits, last 12 months
- —
- vs prior 12 months (0)
- 0
- counties, 12 months
- 14
- producing wells, of 24 of record
- 4
- 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.
- 8%
- spud rate · 2 of 24 mature permits
- 35
- median days permit to spud · middle half 22–48
- 0
- spuds, last 180 days
- 0%
- cancelled · 0 permits
- 22
- expired undrilled
- 2
- permits a year over 10 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 |
|---|---|---|---|---|
| Washington county → | — | 18 | 24 | Mar 25, 1987 |
| Harris county → | — | 3 | 0 | Sep 15, 1977 |
| Austin county → | — | 2 | 0 | Apr 16, 1981 |
| Lee county → | — | 1 | 0 | Nov 12, 1980 |
All 24 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 |
|---|---|---|
| No completion tops on file. | ||
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 →
- 1.9K
- bbl oil, last 12 reported months
- —
- vs the 12 months before
- 0
- mcf gas incl. casinghead, last 12
- 80.7K
- bbl oil since reporting began
Oil, barrels
Last 12 months 1,899 · prior 12 499(+281%)
Beyond the permit record
RRC wellbore file
Wells of record
- 24
- on the schedule
- 14
- producing
- 0
- shut in
- 0
- injection
- 0
- temp. abandoned
- 9
- plugged
How it got them
- 7
- permitted itself
- 0
- acquired from others
- 0
- 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 | 21 |
| Other | 0 | 0 | 2 |
| Recompletion | 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 |
|---|---|---|
| Clay Creek18721001 | 16 | 14 |
| Brenham11789001 | 8 | 0 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed Nov 4, 2025
- Oil operator
- Address
- 829 Hellinger RD
- Flatonia, TX 78941
- (979) 421-3231
- Officers and agents
- Oertli, Terrence Brant · Partner
- Oertli, Terry Neal · Partner
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
| Permit | Seen | Issued | Operator | County | Lease / well | Depth | API |
|---|---|---|---|---|---|---|---|
| 327911 | Mar 25, 1987 | Mar 25, 1987 | Brenham Drilling Co. | Washington | Quebe, T. C. #28 | 1,300 | 47730645 |
| 298676 | Mar 3, 1986 | Mar 3, 1986 | Brenham Drilling Co. | Washington | Quebe, T. C. #27 | 700 | 47730639 |
| 298676 | Mar 3, 1986 | Mar 3, 1986 | Brenham Drilling Co. | Washington | Quebe, T. C. #27 | 1,800 | 47730639 |
| 288061 | Oct 22, 1985 | Oct 22, 1985 | Brenham Drilling Co. | Washington | Schawe, Tina "A" #6 | 1,100 | 47730011 |
| 168007 | Aug 3, 1982 | Aug 3, 1982 | Brenham Drilling Co. | Washington | Janner, Milton #2 | 1,195 | 47730486 |
| 115260 | Apr 16, 1981 | Apr 16, 1981 | Brenham Drilling Co. | Austin | Knolle, W.C. #1 | 3,205 | 01530481 |
| 100965 | Dec 4, 1980 | Dec 4, 1980 | Brenham Drilling Co. | Washington | Schawe, Tina "A" #6 | 1,112 | 47730011 |
| 98741 | Nov 12, 1980 | Nov 12, 1980 | Brenham Drilling Co. | Lee | Brown, Donald C. #1 | 3,627 | 28730817 |
| 54208 | Aug 1, 1979 | Aug 1, 1979 | Brenham Drilling Co. | Washington | Konieczny, Helen #4 | 1,800 | 47730322 |
| 45593 | Apr 3, 1979 | Apr 3, 1979 | Brenham Drilling Co. | Washington | Clay, T. C. #7 | 1,370 | 47730310 |
| 32328 | Sep 11, 1978 | Sep 11, 1978 | Brenham Drilling Co. | Washington | Janner, Milton #1 | 1,380 | 47730304 |
| 29755 | Aug 2, 1978 | Aug 2, 1978 | Brenham Drilling Co. | Washington | Clay, T. C. #6 | 1,445 | 47730302 |
| 28941 | Jul 21, 1978 | Jul 21, 1978 | Brenham Drilling Co. | Austin | Zinnante, Ross F. #1 | 1,184 | 01530410 |
| 25766 | Jun 5, 1978 | Jun 5, 1978 | Brenham Drilling Co. | Washington | Clay, T. C. #5 | 1,349 | 47730301 |
| 19674 | Mar 9, 1978 | Mar 9, 1978 | Brenham Drilling Co. | Washington | Clay, T. C. #4 | 1,400 | 47730299 |
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/90765, documented in the API reference.