WELL · 42-419-31877 · DISTRICT 6
USA Cothrom Unit K4 #4H
Shelby County · Carthage (Haynesville Shale) field · Producing · Horizontal
USA Cothrom Unit K4 #4H (API 42-419-31877) is a horizontal well in Shelby County operated by Silver Hill Energy Operating LLC, completed August 21, 2025 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued February 12, 2024, permitted to 14,000 ft.
Completion filings report 10 formation tops, including Nacatoch, Saratoga, Blossom, Fredericksburg.
No lease production has been reported under this well’s leases.
Operator of record
Silver Hill Energy Operating LLC
Dallas, TX · P-5 Y, filed Jan 5, 2026 · 215 permits on file · (214) 613-3744
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Silver Hill Energy Operating LLC |
| Production reports | Silver Hill Energy Operating LLCthrough Apr 2026 |
| Latest permit | Silver Hill Energy Operating LLCFeb 12, 2024 |
- 14,000
- total depth, ft
- 1
- permits on file
- Feb 12, 2024
- last permit issued
- Aug 21, 2025
- completed
- 0
- cumulative oil, bbl
- 3.28M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2024 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 21, 2025
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
31.738190, -93.987644
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Shelby County.
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 |
|---|---|---|---|---|---|---|
| USA Cothrom Unit K4 G-6-298546 | Carthage (Haynesville Shale) | Silver Hill Energy Operating LLC | 1 | 0 | 3.28M | Jun 2024 – Jul 2026 |
Gas, mcf lease total
Last 12 months 3,284,862 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Silver Hill Energy Operating LLCAug 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 896359-99 | Drill | Silver Hill Energy Operating LLC | Jan 5, 2024 | Feb 12, 2024 | May 25, 2024 | 14,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-6-298546 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 262 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Nacatoch | 1,966 | -1,704 |
| Saratoga | 2,009 | -1,747 |
| Blossom | 2,674 | -2,412 |
| Fredericksburg | 3,411 | -3,149 |
| Paluxy | 3,682 | -3,420 |
| Glen Rose | 3,956 | -3,694 |
| Rodessa | 5,612 | -5,350 |
| James Lime | 6,215 | -5,953 |
| PettitPETTET | 6,544 | -6,282 |
| Travis Peak | 7,304 | -7,042 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 12,550 | 22,397 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 20 | 90 | 28 | 170 S |
| 10.75 | 3,214 | 13.5 | 1,200 S |
| 5.5 | 10,603 | 6.75 | 1,460 S |
| 7.625 | 10,864 | 9.875 | 1,300 S |
| 5 | 22,397 | 6.75 | 1,460 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 | Jan 15, 2026 | Oct 6, 2025 | — |
| 00 | Feb 5, 2025 | Dec 16, 2024 | Yes |
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 42-419-31877 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-419-31877 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
USA Cothrom Unit K342-419-31878
0.0 KM · Silver Hill Energy Operating LLC · Section with this well →
| Nacatoch | 1,970 | -1,708 |
| Saratoga | 2,017 | -1,755 |
| Blossom | 2,677 | -2,415 |
| Fredericksburg | 3,410 | -3,148 |
| Paluxy | 3,688 | -3,426 |
| Glen Rose | 3,965 | -3,703 |
| Rodessa | 5,617 | -5,355 |
| James Lime | 6,221 | -5,959 |
10 TOPS · FIRST 8
USA Cothrom Unit K1342-419-31898
0.1 KM · Silver Hill Energy Operating LLC · Section with this well →
| Nacatoch | 1,977 | -1,703 |
| Saratoga | 2,015 | -1,741 |
| Blossom | 2,670 | -2,396 |
| Fredericksburg | 3,408 | -3,134 |
| Paluxy | 3,685 | -3,411 |
| Glen Rose | 3,961 | -3,687 |
| Rodessa | 5,610 | -5,336 |
| James Lime | 6,213 | -5,939 |
12 TOPS · FIRST 8
USA Cothrom Unit K1142-419-31896
0.1 KM · Silver Hill Energy Operating LLC · Section with this well →
| Nacatoch | 1,964 | -1,690 |
| Saratoga | 2,006 | -1,732 |
| Blossom | 2,655 | -2,381 |
| Fredericksburg | 3,401 | -3,127 |
| Paluxy | 3,678 | -3,404 |
| Glen Rose | 3,959 | -3,685 |
| Rodessa | 5,606 | -5,332 |
| James Lime | 6,212 | -5,938 |
10 TOPS · FIRST 8
USA Cothrom Unit N42-419-31818
2.6 KM · Legacy Reserves Operating LP · Section with this well →
| Nacatoch | 2,001 | -1,690 |
| Saratoga | 2,084 | -1,773 |
| Blossom | 2,740 | -2,429 |
| Fredericksburg | 3,459 | -3,148 |
| Paluxy | 3,744 | -3,433 |
| Glen Rose | 4,037 | -3,726 |
| Rodessa | 5,661 | -5,350 |
| James Lime | 6,250 | -5,939 |
10 TOPS · FIRST 8
USA Cothrom Unit HN N42-419-31821
2.6 KM · Legacy Reserves Operating LP · Section with this well →
| Nacatoch | 2,000 | -1,689 |
| Saratoga | 2,078 | -1,767 |
| Blossom | 2,733 | -2,422 |
| Fredericksburg | 3,459 | -3,148 |
| Paluxy | 3,743 | -3,432 |
| Glen Rose | 4,039 | -3,728 |
| Rodessa | 5,655 | -5,344 |
| James Lime | 6,247 | -5,936 |
10 TOPS · FIRST 8
Murray42-419-31782
3.1 KM · XTO Energy Inc. · Section with this well →
| Nacatoch | 1,771 | -1,497 |
| Saratoga | 1,864 | -1,590 |
| Blossom | 2,517 | -2,243 |
| Paluxy | 2,920 | -2,646 |
| Fredericksburg | 3,271 | -2,997 |
| Glen Rose | 3,807 | -3,533 |
| Rodessa | 5,464 | -5,190 |
| James Lime | 6,026 | -5,752 |
10 TOPS · FIRST 8
USA Cothrom Unit C142-419-31832
3.6 KM · Legacy Reserves Operating LP · Section with this well →
| Nacatoch | 1,835 | -1,618 |
| Saratoga | 2,222 | -2,005 |
| Blossom | 2,611 | -2,394 |
| Frederickburg | 3,355 | -3,138 |
| Fredericksburg | 3,355 | -3,138 |
| Paluxy | 3,617 | -3,400 |
| Glen Rose | 3,915 | -3,698 |
| Rodessa | 5,560 | -5,343 |
11 TOPS · FIRST 8
USA Cothrom Unit MBS C842-419-31819
3.6 KM · Legacy Reserves Operating LP · Section with this well →
| Nacatoch | 1,867 | -1,643 |
| Saratoga | 1,961 | -1,737 |
| Blossom | 2,608 | -2,384 |
| Fredericksburg | 3,360 | -3,136 |
| Paluxy | 3,617 | -3,393 |
| Glen Rose | 3,917 | -3,693 |
| Rodessa | 5,563 | -5,339 |
| James Lime | 6,161 | -5,937 |
10 TOPS · FIRST 8
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
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