WELL · 42-325-31257 · DISTRICT 1
Dorfmeister L. #7
Medina County · Chicon Lake field · Vertical
Dorfmeister L. #7 (API 42-325-31257) is a plugged well in Medina County, plugged September 18, 2008, last operated by Calfas Cattle & Oil LLC.
The RRC has issued one drilling permit, issued June 5, 1980, permitted to 450 ft.
It was permitted by Dorfmeister, W.P. and has since transferred to Calfas Cattle & Oil LLC on the wellbore schedule.
Its lease has reported 14.7K barrels of oil and 19 mcf of gas since January 1993, last reporting in July 2026. The lease carries 7 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Dorfmeister, W.P.; the EWA schedule now lists a different operator.
- Based in
- San Antonio, TX
- P-5 status
- Active (A)
- P-5 last filed
- Aug 19, 2025
- Phone
- (210) 212-6969
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Calfas Cattle & Oil LLC |
| Production reports | Calfas Cattle & Oil, LLCthrough Apr 2026 |
| Latest permit | Dorfmeister, W.P.Jun 5, 1980 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 450
- total depth, ft
- 1
- permits on file
- Jun 5, 1980
- last permit issued
- Jul 11, 1981
- completed
- 14.7K
- cumulative oil, bbl
- 19
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 11, 1981
- Shut in
- —
- Plugged
- Sep 18, 2008
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; they carry 7 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Dorfmeister, L. O-1-3024 | Chicon Lake | Calfas Cattle & Oil, LLC | 7 | 14.7K | 19 | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 229 · prior 12 290(-21%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Dorfmeister, L.Jan 1993 → Jul 1993
- 2Hardwick, Ross H. Oil CompanyAug 1993 → Mar 2023
- 3Calfas Cattle & Oil, LLCApr 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 82991-99 | Drill | Dorfmeister, W.P. | Jun 5, 1980 | Jun 5, 1980 | — | 450 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-3024 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 448 | 458 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 2 | 418 | — | — |
| 4.5 | 461 | 7.875 | 42 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 | Jan 12, 1984 | Aug 28, 1981 | — |
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 42-325-31257 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-325-31257 → 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/32531257, documented in the API reference.