WELL · 42-501-32721 · DISTRICT 8
Clanahan N. C. B #20
Yoakum County · Prentice (San Andres) field · Vertical
Clanahan N. C. B #20 (API 42-501-32721) is a plugged well in Yoakum County, plugged October 9, 2007, last operated by Occidental Permian Ltd..
The RRC has issued 2 drilling permits between 1984 and 2004, permitted to 8,700 ft.
Completion filings report 8 formation tops, including Rustler, Yates, San Andres, Glorieta.
Its 2 leases have reported 141K barrels of oil and 30.9K mcf of gas since January 1993, last reporting in July 2026. The leases carry 9 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Feb 2, 2026
- Permits on file
- 6,251
- Phone
- (713) 215-7000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Occidental Permian Ltd. |
| Production reports | Occidental Permian Ltd.through May 2022 |
| Latest permit | Occidental Permian Ltd.Oct 25, 2004 |
- 8,700
- total depth, ft
- 2
- permits on file
- Oct 25, 2004
- last permit issued
- Jan 19, 2005
- completed
- 141K
- cumulative oil, bbl
- 30.9K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 19, 2005
- Shut in
- —
- Plugged
- Oct 9, 2007
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 2 leases this well is completed on; they carry 9 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Clanahan, N. C. "B" O-11-16807 | Prentice (Clear Fork, Lower) | Occidental Permian Ltd. | 8 | 136K | 26.8K | Jan 1993 – Jul 2026 |
| Clanahan, N. C. "B" O-11-68751 | Prentice (San Andres) | Occidental Permian Ltd. | 1 | 4.98K | 4.14K | Jan 2005 – Jan 2008 |
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.
- 1Amoco Production CompanyJan 1993 → Feb 1997
- 2Altura Energy Ltd.Mar 1997 → Apr 2000
- 3Occidental Permian Ltd.May 2000 → May 2022
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 552682-99 | Recompletion | Occidental Permian Ltd. | Oct 21, 2004 | Oct 25, 2004 | Jan 6, 2005 | 8,600 |
| 252646-99 | Drill | Amoco Production Company | Sep 24, 1984 | Sep 25, 1984 | Nov 8, 1984 | 8,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-11-16807 | — | — | — | — |
| — | — O-11-68751 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,571 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,225 | 5,235 | Perforated |
| 5,270 | 5,280 | Perforated |
| 5,295 | 5,305 | Perforated |
| 8,188 | 8,566 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 462 | 17.5 | 550 S |
| 8.625 | 4,750 | 11 | 1,250 S |
| 5.5 | 8,600 | 7.875 | 1,755 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 | Jul 11, 2005 | Mar 28, 2005 | Yes |
| 00 | Apr 22, 2005 | — | — |
| 00 | Jan 15, 1985 | Dec 31, 1984 | — |
| 00 | Jan 10, 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 42-501-32721 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-501-32721 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 0
- bbl, last 12 reported months
- 58.8K
- bbl, all reported
- Nov 2007
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000053952 | H-1 Injection | Plugged Dec 10, 2007 | 400 | 1,800 | 8,000–8,600 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 0 · prior 12 0
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/50132721, documented in the API reference.