WELL · 42-473-30317 · DISTRICT 3
Cowan-Zollman-High Chapparal #1
Waller County · Vertical
Cowan-Zollman-High Chapparal #1 (API 42-473-30317) is a permitted well in Waller County filed by High Chapparal Oil Company; no completion report is on file yet.
The RRC has issued 3 drilling permits between 1979 and 1986, permitted to 11,000 ft.
Completion filings report 2 formation tops, including Yegua, Wilcox.
Operator of record
Plntersville, TX · P-5 Y, filed Feb 1, 2002 · 41 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | none |
| Latest permit | High Chapparal Oil CompanySep 10, 1986 |
- 11,000
- total depth, ft
- 3
- permits on file
- Sep 10, 1986
- last permit issued
- —
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jan 1998
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 |
|---|---|---|---|---|---|---|
| Cowan-Zollman-High Chapparal O-3-19623 | Corolla (Wilcox 8000) | Browning, Landon | 1 | 0 | 0 | Jan 1993 – Jan 1998 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 320281-99 | Recompletion | High Chapparal Oil Company | Sep 8, 1986 | Sep 10, 1986 | — | 11,000 |
| 132439-99 | Recompletion | High Chapparal Oil Company | Sep 8, 1981 | Sep 8, 1981 | — | 11,000 |
| 61717-99 | Drill | High Chapparal Oil Company | Oct 24, 1979 | Oct 24, 1979 | — | 11,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-19623 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 303 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,003 | 8,009 | Perforated |
| 10,291 | 10,322 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,400 | 12.25 | — |
| 2.375 | 10,200 | — | — |
| 5.5 | 10,888 | 8.5 | — |
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 | Jun 5, 1987 | May 1, 1987 | Yes |
| 00 | May 23, 1987 | — | — |
| 00 | Jan 12, 1984 | Feb 12, 1980 | Yes |
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 42-473-30317 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-473-30317 → 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/47330317, documented in the API reference.