WELL · 42-051-33416 · DISTRICT 3
Koehler-Mahlman Unit #1
Burleson County · Giddings (Austin Chalk-3) field · Producing · Horizontal
Koehler-Mahlman Unit #1 (API 42-051-33416) is a horizontal well in Burleson County operated by San Dia Producing Company, completed March 17, 1994 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued December 21, 1993, permitted to 8,850 ft.
Completion filings report 4 formation tops, including Midway, Navaro, Pecan Gap, Austin Chalk.
Its lease has reported 58.3K barrels of oil and 624K mcf of gas since March 1994, last reporting in July 2026.
Operator of record
Deanville, TX · P-5 Y, filed Feb 4, 2026 · 2 permits on file · (979) 268-1737
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | San Dia Producing Company |
| Production reports | San Dia Producing Companythrough Mar 2025 |
| Latest permit | San Dia Producing CompanyDec 21, 1993 |
- 8,850
- total depth, ft
- 2
- permits on file
- Dec 21, 1993
- last permit issued
- Mar 17, 1994
- completed
- 58.3K
- cumulative oil, bbl
- 624K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 1994 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 17, 1994
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Koehler-Mahlman Unit O-3-22511 | Giddings (Austin Chalk-3) | San Dia Producing Company | 1 | 58.3K | 624K | Mar 1994 – Jul 2026 |
Oil, barrels lease total
Last 12 months 0 · prior 12 92(-100%)
Gas, mcf lease total
Last 12 months 0 · prior 12 5(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Union Pacific Resources CompanyMar 1994 → Aug 1995
- 2San Dia Producing CompanySep 1996 → Mar 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 419348-98 | Drill | San Dia Producing Company | Jul 24, 1996 | Dec 21, 1993 | — | 8,850 |
| 419348-99 | Drill | Union Pacific Resources Company | Dec 14, 1993 | Dec 21, 1993 | Feb 1, 1994 | 8,850 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-22511 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 360 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Midway | 5,067 | -4,707 |
| Navaro | 5,533 | -5,173 |
| Pecan Gap | 7,020 | -6,660 |
| Austin Chalk | 7,843 | -7,483 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,867 | 11,787 | Perforated |
| 8,092 | 9,526 | Perforated |
| 8,525 | 12,163 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.85 | 2,145 | 14.75 | 1,305 S |
| 7.625 | — | 9.875 | 959 S |
Completion filings
W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Oct 11, 1994 | Sep 27, 1994 | Yes |
| 00 | Oct 5, 1994 | — | — |
The source documents
Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.
- Wellbore filings for 42-051-33416 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-051-33416 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.
About this data
Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.
New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease
Developers: this page as JSON is GET /v1/data/wells/05133416, documented in the API reference.