WELL · 42-419-31847 · DISTRICT 6
USA Cothrom Unit T4 #4H
Shelby County · Carthage (Haynesville Shale) field · Horizontal
USA Cothrom Unit T4 #4H (API 42-419-31847) is a plugged horizontal well in Shelby County, plugged July 7, 2025, last operated by Silver Hill Energy Operating LLC.
The RRC has issued one drilling permit (amended once), issued July 22, 2022, permitted to 12,500 ft.
It was permitted by Legacy Reserves Operating LP and has since transferred to Silver Hill Energy Operating LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Nacatoch, Saratoga, Blossom, Fredericksburg.
Operator of record
Silver Hill Energy Operating LLC
Permitted by Legacy Reserves Operating LP; the EWA schedule now lists a different operator.
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 Jan 2025 |
| Latest permit | Legacy Reserves Operating LPJul 22, 2022 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,500
- total depth, ft
- 2
- permits on file
- Jul 22, 2022
- last permit issued
- Feb 7, 2024
- completed
- 0
- cumulative oil, bbl
- 2.46M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2024 THROUGH Jul 2025
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 7, 2024
- Shut in
- —
- Plugged
- Jul 7, 2025
Surface location
31.724729, -94.027861
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 T4 G-6-297038 | Carthage (Haynesville Shale) | Silver Hill Energy Operating LLC | 1 | 0 | 2.46M | Feb 2024 – Jul 2025 |
Gas, mcf lease total
Last 12 months 0 · prior 12 1,740,232(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Silver Hill Energy Operating LLCFeb 2024 → Jan 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 879685-98 | Drill | Legacy Reserves Operating LP | Aug 9, 2022 | Jul 22, 2022 | Aug 23, 2022 | 12,500 |
| 879685-99 | Drill | Legacy Reserves Operating LP | May 2, 2022 | Jul 22, 2022 | Aug 24, 2022 | 12,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-6-297038 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 352 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Nacatoch | 2,203 | -1,851 |
| Saratoga | 2,246 | -1,894 |
| Blossom | 2,875 | -2,523 |
| Fredericksburg | 3,606 | -3,254 |
| Paluxy | 3,895 | -3,543 |
| Glen Rose | 4,171 | -3,819 |
| Rodessa | 5,811 | -5,459 |
| James Lime | 6,400 | -6,048 |
| PettitPETTET | 6,726 | -6,374 |
| Travis Peak | 7,492 | -7,140 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 12,838 | 23,010 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,404 | 17.5 | 1,235 S |
| 10.75 | 3,984 | 12.25 | 585 S |
| 7.625 | 11,097 | 9.875 | 685 S |
| 5.5 | 11,872 | 6.75 | 1,285 S |
| 5 | 23,119 | 6.75 | 1,285 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 | Oct 30, 2024 | Sep 27, 2024 | — |
| 00 | Jun 6, 2024 | Mar 12, 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 42-419-31847 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-419-31847 → 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 T242-419-31845
0.0 KM · Silver Hill Energy Operating LLC · Section with this well →
| Nacatoch | 2,241 | -1,889 |
| Saratoga | 2,284 | -1,932 |
| Blossom | 2,877 | -2,525 |
| Fredericksburg | 3,602 | -3,250 |
| Paluxy | 3,908 | -3,556 |
| Glen Rose | 4,169 | -3,817 |
| Rodessa | 5,809 | -5,457 |
| James Lime | 6,401 | -6,049 |
10 TOPS · FIRST 8
USA Cothrom Unit T142-419-31844
0.0 KM · Silver Hill Energy Operating LLC · Section with this well →
| Nacatoch | 2,244 | -1,892 |
| Saratoga | 2,287 | -1,935 |
| Blossom | 2,872 | -2,520 |
| Fredericksburg | 3,608 | -3,256 |
| Paluxy | 3,894 | -3,542 |
| Glen Rose | 4,169 | -3,817 |
| Rodessa | 5,813 | -5,461 |
| James Lime | 6,405 | -6,053 |
12 TOPS · FIRST 8
USA Cothrom Unit T342-419-31846
0.0 KM · Silver Hill Energy Operating LLC · Section with this well →
| Nacatoch | 2,201 | -1,849 |
| Saratoga | 2,244 | -1,892 |
| Blossom | 2,874 | -2,522 |
| Fredericksburg | 3,601 | -3,249 |
| Paluxy | 3,899 | -3,547 |
| Glen Rose | 4,170 | -3,818 |
| Rodessa | 5,811 | -5,459 |
| James Lime | 6,409 | -6,057 |
13 TOPS · FIRST 8
USA Cothrom Unit O142-419-31857
1.9 KM · Silver Hill Energy Operating LLC · Section with this well →
| Nacatoch | 2,199 | -1,877 |
| Saratoga | 2,242 | -1,920 |
| Blossom | 2,893 | -2,571 |
| Fredericksburg | 3,639 | -3,317 |
| Paluxy | 3,929 | -3,607 |
| Glen Rose | 4,203 | -3,881 |
| Rodessa | 5,848 | -5,526 |
| James Lime | 6,449 | -6,127 |
10 TOPS · FIRST 8
USA Cothrom Unit O242-419-31858
1.9 KM · Silver Hill Energy Operating LLC · Section with this well →
| Nacatoch | 2,203 | -1,881 |
| Saratoga | 2,248 | -1,926 |
| Blossom | 2,893 | -2,571 |
| Fredericksburg | 3,632 | -3,310 |
| Paluxy | 3,932 | -3,610 |
| Glen Rose | 4,204 | -3,882 |
| Rodessa | 5,844 | -5,522 |
| James Lime | 6,446 | -6,124 |
10 TOPS · FIRST 8
USA Cothrom Unit HN N42-419-31821
2.1 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
USA Cothrom Unit N42-419-31818
2.1 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
Ventana SWD42-419-31929
3.2 KM · Ventana Midstream LLC · Section with this well →
| Paluxy | 3,343 | -2,965 |
| Glen Rose | 4,401 | -4,023 |
| Rodessa | 5,996 | -5,618 |
| Travis Peak | — | |
| Blossom | — | |
| Fredericksburg | — | |
| James Lime | — | |
| Nacatoch | — |
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
Developers: this page as JSON is GET /v1/data/wells/41931847, documented in the API reference.