WELL · 42-417-38085 · DISTRICT 7
Nail 20 #120
Shackelford County · Nail Tract 20 (Miss.) field · Shut IN · Vertical
Nail 20 #120 (API 42-417-38085) is a well in Shackelford County operated by M & K Operating LLC, completed December 10, 1996 and listed as shut in on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued November 5, 1996, permitted to 5,100 ft.
It was permitted by Graystone Exploration Corp. and has since transferred to M & K Operating LLC on the wellbore schedule.
Completion filings report one formation top, including Mississippian.
Its lease has reported 10.6K barrels of oil since December 1996, last reporting in July 2026.
Operator of record
Permitted by Graystone Exploration Corp.; the EWA schedule now lists a different operator.
Albany, TX · P-5 Y, filed Sep 4, 2025 · 11 permits on file · (325) 668-6618
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | M & K Operating LLC |
| Production reports | Clavo Oil, LLCthrough Feb 2012 |
| Latest permit | Graystone Exploration Corp.Nov 5, 1996 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,100
- total depth, ft
- 2
- permits on file
- Nov 5, 1996
- last permit issued
- Dec 10, 1996
- completed
- 10.6K
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 1996 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 10, 1996
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Delinquent
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 "20" O-8-28080 | Nail Tract 20 (Miss.) | M & K Operating LLC | 1 | 10.6K | 0 | Dec 1996 – 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.
- 1Graystone Exploration Corp.Dec 1996 → Jan 1998
- 2U.S. Sovereign Oil and Gas, Inc.Feb 1998 → Feb 2000
- 3Westridge Oil & Gas PropertiesMar 2000 → Feb 2003
- 4Boo-Row Pipe & Supply, Inc.Mar 2003 → Mar 2006
- 5Clavo Oil, LLCApr 2006 → Feb 2012
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 454776-98 | Drill | Graystone Exploration Corp. | Jan 15, 1997 | Nov 5, 1996 | Nov 10, 1996 | 4,977 |
| 454776-99 | Drill | Graystone Exploration Corp. | Nov 5, 1996 | Nov 5, 1996 | — | 5,100 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-8-28080 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,505 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| MississippianMISS | 4,860 | -3,355 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,972 | 4,977 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 635 | 12.25 | 270 S |
| 5.5 | 4,972 | 7.875 | 145 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 6, 1997 | Jan 9, 1997 | Yes |
| 00 | Feb 24, 1997 | — | — |
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 42-417-38085 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-417-38085 → 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/41738085, documented in the API reference.