WELL · 42-417-38250 · DISTRICT 7
Nail Ranch 691 #1
Shackelford County · Shackelford County Regular field · Producing · Vertical
Nail Ranch 691 #1 (API 42-417-38250) is a well in Shackelford County operated by Clavo Oil LLC, completed November 12, 2005 and listed as producing on the RRC schedule, shut in April 1, 2026.
The RRC has issued 2 drilling permits between 1999 and 2004, permitted to 1,350 ft.
It was permitted by Cottonwood Petroleum CO. and has since transferred to Clavo Oil LLC on the wellbore schedule.
Its lease has reported 5.68K barrels of oil since November 2005, last reporting in July 2026.
Operator of record
Permitted by Cottonwood Petroleum Co.; the EWA schedule now lists a different operator.
- Based in
- Graham, TX
- P-5 status
- Active (A)
- P-5 last filed
- Mar 25, 2026
- Permits on file
- 61
- Phone
- (325) 725-5575
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Clavo Oil, LLCthrough Apr 2026 |
| Latest permit | Cottonwood Petroleum Co.Sep 21, 2004 |
- 1,350
- total depth, ft
- 2
- permits on file
- Sep 21, 2004
- last permit issued
- Nov 12, 2005
- completed
- 5.68K
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 2005 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 12, 2005
- Shut in
- Apr 1, 2026
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 |
|---|---|---|---|---|---|---|
| Nail Ranch "691" O-8-29660 | Shackelford County Regular | Clavo Oil, LLC | 1 | 5.68K | 0 | Nov 2005 – Jul 2026 |
Oil, barrels lease total
Last 12 months 354 · prior 12 364(-3%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Cottonwood Petroleum Co.Dec 2005 → Jan 2009
- 2Clavo Oil, LLCFeb 2009 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 551276-99 | Reenter | Cottonwood Petroleum Co. | Sep 21, 2004 | Sep 21, 2004 | — | 1,999 |
| 488440-99 | Drill | Cottonwood Petroleum Co. | Oct 12, 1999 | Oct 12, 1999 | Oct 20, 1999 | 5,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Nov 12, 2005 | Nail Ranch 691 O-8-29660 | Shackelford County Regular | Clavo Oil LLC | Producing · shut in Apr 1, 2026 | 1,350 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 1,174 | 1,176 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 238 | 12.25 | — |
| 4.5 | 1,350 | 7.875 | 120 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 | Apr 4, 2006 | Dec 13, 2005 | Yes |
| 00 | Dec 30, 2005 | — | — |
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 42-417-38250 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-417-38250 → 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/41738250, documented in the API reference.