WELL · 42-057-31470 · DISTRICT 2
Evans, Harold et UX #1
Calhoun County · Vertical
Evans, Harold ET UX #1 (API 42-057-31470) is a permitted well in Calhoun County filed by Cavalla Energy Exploration CO.; no completion report is on file yet.
The RRC has issued 2 drilling permits between 1989 and 1991, permitted to 10,000 ft.
Completion filings report 2 formation tops, including Miocene (undifferentiated), Frio.
Operator of record
Cavalla Energy Exploration Co.
Houston, TX · P-5 Y, filed Nov 4, 1994 · 24 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | none |
| Latest permit | Cavalla Energy Exploration Co.Oct 8, 1991 |
- 10,000
- total depth, ft
- 2
- permits on file
- Oct 8, 1991
- last permit issued
- —
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
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 |
|---|---|---|---|---|---|---|
| — G-2-131248 | — | — | 0 | 0 | 0 | — |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 392139-99 | Recompletion | Cavalla Energy Exploration Co. | Sep 23, 1991 | Oct 8, 1991 | — | 9,100 |
| 355869-99 | Drill | Cavalla Energy Exploration Co. | Feb 7, 1989 | Feb 8, 1989 | — | 10,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-131248 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 21 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Miocene (undifferentiated)BASE OF MIOCENE | 5,850 | -5,829 |
| FrioTOP FRIO | 6,950 | -6,929 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,328 | 9,337 | Perforated |
| 9,366 | 9,370 | Perforated |
| 9,376 | 9,384 | Perforated |
| 9,388 | 9,391 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,454 | 12.25 | 850 S |
| 4.5 | 9,451 | 8.75 | 535 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 | Aug 2, 1989 | May 11, 1989 | Yes |
| 00 | Jul 21, 1989 | — | — |
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 42-057-31470 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-057-31470 → 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/05731470, documented in the API reference.