WELL · 42-133-36997 · DISTRICT 7
Claborn #1
Eastland County · Lake Leon (Duffer) field · Vertical
Claborn #1 (API 42-133-36997) is a well in Eastland County operated by Pendragon Oil CO., completed January 16, 1987.
The RRC has issued one drilling permit, issued November 24, 1986, permitted to 3,900 ft.
Completion filings report 3 formation tops, including Caddo, Marble Falls, Duffer.
No lease production has been reported under this well’s leases.
Operator of record
- Based in
- Fort Worth, TX
- P-5 status
- Active (A)
- P-5 last filed
- Dec 18, 2025
- Permits on file
- 107
- Phone
- (817) 370-1322
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Pendragon Oil Co. |
| Production reports | Pendragon Oil Co.through Jun 2019 |
| Latest permit | Pendragon Oil Co.Nov 24, 1986 |
- 3,900
- total depth, ft
- 1
- permits on file
- Nov 24, 1986
- last permit issued
- Jan 16, 1987
- completed
- 0
- cumulative oil, bbl
- 125K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 16, 1987
- 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 |
|---|---|---|---|---|---|---|
| Claborn G-8-125231 | Lake Leon (Duffer) | Pendragon Oil Co. | 1 | 0 | 125K | Jan 1993 – Jul 2026 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Pendragon Oil Co.Jan 1993 → Jun 2019
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 323438-99 | Drill | Pendragon Oil Co. | Nov 24, 1986 | Nov 24, 1986 | — | 3,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-8-125231 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,452 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Caddo | 2,776 | -1,324 |
| Marble Falls | 3,060 | -1,608 |
| Duffer | 3,402 | -1,950 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,403 | 3,423 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 210 | 12.25 | 150 S |
| 4.5 | 3,685 | 7.875 | 200 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 12, 1987 | Sep 21, 1987 | — |
| 00 | Oct 8, 1987 | — | — |
| 00 | Mar 2, 1987 | Jan 28, 1987 | Yes |
| 00 | Feb 21, 1987 | — | — |
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 42-133-36997 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-133-36997 → 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/13336997, documented in the API reference.