WELL · 42-503-38579 · DISTRICT 9
Clark #1
Young County · K.C. (Lower Caddo) field · Vertical
Clark #1 (API 42-503-38579) is a plugged well in Young County, plugged October 16, 1986, last operated by Cayce Enterprises.
The RRC has issued one drilling permit, issued January 14, 1985, permitted to 4,999 ft.
Completion filings report 4 formation tops, including Ranger, Palo Pinto, Caddo, Marble Falls.
Operator of record
Fort Worth, TX · P-5 Y, filed Apr 2, 1993 · 30 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Cayce Enterprises |
| Production reports | none |
| Latest permit | Cayce EnterprisesJan 14, 1985 |
- 4,999
- total depth, ft
- 1
- permits on file
- Jan 14, 1985
- last permit issued
- Feb 25, 1985
- completed
- —
- cumulative oil, bbl
- —
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 25, 1985
- Shut in
- —
- Plugged
- Oct 16, 1986
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.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 264136-99 | Drill | Cayce Enterprises | Jan 11, 1985 | Jan 14, 1985 | — | 4,999 |
Formation tops
As filed on W-2/G-1. Subsea from 1,172 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Ranger | 2,460 | -1,288 |
| Palo Pinto | 2,823 | -1,651 |
| Caddo | 4,102 | -2,930 |
| Marble Falls | 4,578 | -3,406 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,432 | 4,438 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 244 | 12.25 | 155 S |
| 4.5 | 4,862 | 7.875 | 230 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 | Mar 19, 1985 | Feb 28, 1985 | — |
| 00 | Mar 15, 1985 | — | — |
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 42-503-38579 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-503-38579 → 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/50338579, documented in the API reference.