WELL · 42-419-31820 · DISTRICT 6
USA Cothrom Unit MBS C11 #11H
Shelby County · Carthage (Haynesville Shale) field · Producing · Horizontal
USA Cothrom Unit Mbs C11 #11H (API 42-419-31820) is a horizontal well in Shelby County operated by Silver Hill Energy Operating LLC, completed August 16, 2021 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended twice), issued March 12, 2021, permitted to 12,000 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.
No lease production has been reported under this well’s leases.
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 Apr 2026 |
| Latest permit | Legacy Reserves Operating LPMar 12, 2021 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,000
- total depth, ft
- 3
- permits on file
- Mar 12, 2021
- last permit issued
- Aug 16, 2021
- completed
- 0
- cumulative oil, bbl
- 7.43M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2021 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 16, 2021
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
31.730522, -93.950306
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 MBS C11 G-6-291869 | Carthage (Haynesville Shale) | Silver Hill Energy Operating LLC | 1 | 0 | 7.43M | Aug 2021 – Jul 2026 |
Gas, mcf lease total
Last 12 months 311,601 · prior 12 453,765(-31%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Legacy Reserves Operating LPAug 2021 → Sep 2023
- 2Silver Hill Energy Operating LLCOct 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 868270-97 | Drill | Legacy Reserves Operating LP | Jun 7, 2021 | Mar 12, 2021 | Mar 29, 2021 | 12,000 |
| 868270-98 | Drill | Legacy Reserves Operating LP | May 29, 2021 | Mar 12, 2021 | Mar 30, 2021 | 12,000 |
| 868270-99 | Drill | Legacy Reserves Operating LP | Mar 9, 2021 | Mar 12, 2021 | Mar 30, 2021 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-6-291869 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 224 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 12,014 | 20,475 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 16 | 1,180 | 20 | 1,190 S |
| 10.75 | 6,496 | 13.5 | 2,170 S |
| 6.75 | 10,690 | 5.5 | 1,050 S |
| 7.625 | 11,031 | 9.875 | 735 S |
| 6.75 | 20,578 | 5 | 1,050 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 | Feb 10, 2022 | Jan 12, 2022 | 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 42-419-31820 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-419-31820 → 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 MBS C842-419-31819
0.0 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
USA Cothrom Unit C342-419-31831
0.0 KM · Legacy Reserves Operating LP · Section with this well →
| Nacatoch | 1,837 | -1,619 |
| Saratoga | 2,233 | -2,015 |
| Blossom | 2,607 | -2,389 |
| Fredericksburg | 3,349 | -3,131 |
| Paluxy | 3,615 | -3,397 |
| Glen Rose | 3,910 | -3,692 |
| Rodessa | 5,553 | -5,335 |
| James Lime | 6,156 | -5,938 |
11 TOPS · FIRST 8
USA Cothrom Unit C142-419-31832
0.0 KM · Legacy Reserves Operating LP · Section with this well →
| Nacatoch | 1,835 | -1,618 |
| Saratoga | 2,222 | -2,005 |
| Blossom | 2,611 | -2,394 |
| Fredericksburg | 3,355 | -3,138 |
| Frederickburg | 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 B42-419-31815
1.0 KM · Legacy Reserves Operating LP · Section with this well →
| Austin Chalk | 2,683 | |
| Fredericksberg | 3,124 | |
| Paluxy | 3,367 | |
| Saratoga | — | |
| Blossom | — | |
| Bossier | — | |
| Fredericksburg | — | |
| Glen Rose | — |
11 TOPS · FIRST 8
USA Cothrom Unit a 1042-419-31826
2.5 KM · Legacy Reserves Operating LP · Section with this well →
| Nacatoch | 1,835 | -1,555 |
| Saratoga | 2,222 | -1,942 |
| Blossom | 2,611 | -2,331 |
| Fredericksburg | 3,355 | -3,075 |
| Paluxy | 3,617 | -3,337 |
| Glen Rose | 3,915 | -3,635 |
| Rodessa | 5,560 | -5,280 |
| James Lime | 6,158 | -5,878 |
11 TOPS · FIRST 8
USA Cothrom Unit A1242-419-31827
2.5 KM · Legacy Reserves Operating LP · Section with this well →
| Nacatoch | 1,844 | -1,562 |
| Saratoga | 2,240 | -1,958 |
| Blossom | 2,267 | -1,985 |
| Fredericksburg | 3,354 | -3,072 |
| Paluxy | 3,599 | -3,317 |
| Glen Rose | 3,902 | -3,620 |
| Rodessa | 5,554 | -5,272 |
| James Lime | 6,162 | -5,880 |
10 TOPS · FIRST 8
USA Cothrom Unit A1442-419-31828
2.5 KM · Legacy Reserves Operating LP · Section with this well →
| Nacatoch | 1,840 | -1,559 |
| Saratoga | 2,230 | -1,949 |
| Blossom | 2,629 | -2,348 |
| Fredericksburg | 3,355 | -3,074 |
| Paluxy | 3,599 | -3,318 |
| Glen Rose | 3,905 | -3,624 |
| Rodessa | 5,554 | -5,273 |
| James Lime | 6,163 | -5,882 |
10 TOPS · FIRST 8
Murray42-419-31782
3.4 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
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/41931820, documented in the API reference.