WELL · 42-417-36138 · DISTRICT 7
Nail 137 #4
Shackelford County · Cook Ranch field · Vertical
Nail 137 #4 (API 42-417-36138) is a well in Shackelford County operated by Schkade Louis, completed February 28, 1985.
The RRC has issued one drilling permit (amended once), issued January 17, 1985, permitted to 1,650 ft.
Completion filings report 5 formation tops, including Upper Frye, Stockweather Lime, Tannehill, Upper Cook Sand.
Its 2 leases have reported 46.9K barrels of oil and 51 mcf of gas since January 1993, last reporting in July 2026. The leases carry 13 wells, so these are lease totals, not this well alone.
It holds an active disposal or injection permit, with 29.3K barrels injected in the 12 months reported through July 2025.
Operator of record
Albany, TX · P-5 Y, filed Jul 7, 2006 · 25 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Schkade Louis |
| Production reports | Double C Operating LLCthrough Apr 2026 |
| Latest permit | Schkade, LouisJan 17, 1985 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 1,650
- total depth, ft
- 2
- permits on file
- Jan 17, 1985
- last permit issued
- Feb 28, 1985
- completed
- 46.9K
- cumulative oil, bbl
- 51
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 28, 1985
- 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 2 leases this well is completed on; they carry 13 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Nail-137 O-8-23299 | Shackelford County Regular | Double C Operating LLC | 11 | 46.4K | 36 | Jan 1993 – Jul 2026 |
| Nail "137" O-8-22097 | Cook Ranch | Schkade, Louis | 2 | 514 | 15 | Jan 1993 – Mar 2008 |
Oil, barrels lease total
Last 12 months 1,207 · prior 12 1,314(-8%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1C & L EquipmentJan 1993 → Jan 1993
- 2Schkade, LouisFeb 1993 → Aug 2006
- 3Schkade, HaroldSep 2006 → Aug 2024
- 4JTC Royalties LLCSep 2024 → Jan 2026
- 5Double C Operating LLCFeb 2026 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 264467-98 | Field transfer | Schkade, Louis | Feb 22, 1994 | Jan 17, 1985 | — | 1,650 |
| 264467-99 | Drill | Midwood Petroleum Inc. | Jan 30, 1985 | Jan 17, 1985 | — | 1,650 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-8-22097 | — | — | — | — |
| — | — O-8-23299 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,724 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Upper Frye | 1,287 | 437 |
| Stockweather Lime | 1,355 | 369 |
| TannehillUPPER TANNEHILL | 1,367 | 357 |
| TannehillMIDDLE TANNEHILL | 1,411 | 313 |
| Upper Cook Sand | 1,572 | 152 |
| Saddle CreekSADDLE CREEK LIME | 1,668 | 56 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 1,572 | 1,574 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 4.5 | 1,627 | 7.875 | 285 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 | Dec 8, 1997 | Sep 4, 1997 | — |
| 00 | Oct 17, 1994 | Dec 17, 1993 | — |
| 00 | Sep 20, 1994 | Mar 8, 1985 | — |
| 00 | Apr 1, 1985 | Mar 8, 1985 | — |
| 00 | Mar 23, 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 42-417-36138 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-417-36138 → 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
- 29.3K
- bbl, last 12 reported months
- 359K
- bbl, all reported
- Jul 2025
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000085311 | H-1 Injection | Active | 100 | 775 | 1,572–1,574 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 29,317 · prior 12 28,180(+4%)
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/41736138, documented in the API reference.