WELL · 42-203-35658 · DISTRICT 6
Matterhorn a Unit #1H
Harrison County · Carthage (Haynesville Shale) field · Producing · Horizontal
Matterhorn A Unit #1H (API 42-203-35658) is a horizontal well in Harrison County operated by Trinity Operating (Usg) LLC, completed May 13, 2024 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued March 1, 2024, permitted to 12,000 ft.
Completion filings report 10 formation tops, including Nacatoch, Paluxy, Rodessa, Pettit.
No lease production has been reported under this well’s leases.
Operator of record
Houston, TX · P-5 Y, filed Nov 4, 2025 · 392 permits on file · (888) 510-9581
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Trinity Operating (Usg) LLC |
| Production reports | Trinity Operating (Usg), LLCthrough Apr 2026 |
| Latest permit | Trinity Operating (Usg), LLCMar 1, 2024 |
- 12,000
- total depth, ft
- 1
- permits on file
- Mar 1, 2024
- last permit issued
- May 13, 2024
- completed
- 0
- cumulative oil, bbl
- 6.48M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2024 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 13, 2024
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
32.561950, -94.097978
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Harrison 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 |
|---|---|---|---|---|---|---|
| Matterhorn a Unit G-6-298368 | Carthage (Haynesville Shale) | Trinity Operating (Usg), LLC | 1 | 0 | 6.48M | May 2024 – Jul 2026 |
Gas, mcf lease total
Last 12 months 2,672,094 · prior 12 3,812,483(-30%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Trinity Operating (Usg), LLCJul 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 897717-99 | Drill | Trinity Operating (Usg), LLC | Feb 26, 2024 | Mar 1, 2024 | Mar 23, 2024 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-6-298368 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 271 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| NacatochNACATOCH - OVER PRESSURED, WATER | 1,057 | -786 |
| Paluxy | 2,772 | -2,501 |
| Rodessa | 4,944 | -4,673 |
| PettitPETTET | 5,757 | -5,486 |
| Cotton Valley | 8,027 | -7,756 |
| Blossom | — | — |
| Glen Rose | — | — |
| Goodland | — | — |
| Travis Peak | — | — |
| Woodbine | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,378 | 23,192 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 2,245 | 13.5 | 825 S |
| 7.625 | 10,081 | 9.875 | 1,065 S |
| 5.5 | 23,207 | 6.75 | 1,370 S |
| 5 | 23,207 | 6.75 | 1,370 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 2, 2025 | Nov 5, 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 42-203-35658 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-203-35658 → 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.
Matterhorn a 3H Unit42-203-35660
0.0 KM · Trinity Operating (Usg), LLC · Section with this well →
| Nacatoch | 1,057 | -785 |
| Paluxy | 2,768 | -2,496 |
| Rodessa | 4,932 | -4,660 |
| Pettit | 5,743 | -5,471 |
| Travis Peak | 6,028 | -5,756 |
| Cotton Valley | 8,015 | -7,743 |
| Woodbine | — | |
| Goodland | — |
10 TOPS · FIRST 8
Matterhorn a Unit42-203-35659
0.0 KM · Trinity Operating (Usg), LLC · Section with this well →
| Nacatoch | 1,055 | -785 |
| Paluxy | 2,770 | -2,500 |
| Rodessa | 4,937 | -4,667 |
| Pettit | 5,750 | -5,480 |
| Cotton Valley | 8,020 | -7,750 |
| Blossom | — | |
| Travis Peak | — | |
| Woodbine | — |
10 TOPS · FIRST 8
Matterhorn B42-203-35650
0.8 KM · Trinity Operating (Usg), LLC · Section with this well →
| Nacatoch | 1,053 | -776 |
| Paluxy | 2,754 | -2,477 |
| Rodessa | 4,908 | -4,631 |
| Pettit | 5,720 | -5,443 |
| Travis Peak | 6,028 | -5,751 |
| Cotton Valley | 8,017 | -7,740 |
| Glen Rose | — | |
| Blossom | — |
10 TOPS · FIRST 8
Matterhorn B42-203-35651
0.8 KM · Trinity Operating (Usg), LLC · Section with this well →
| Nacatoch | 1,053 | -776 |
| Paluxy | 2,751 | -2,474 |
| Rodessa | 4,909 | -4,632 |
| Pettit | 5,718 | -5,441 |
| Travis Peak | 6,026 | -5,749 |
| Cotton Valley | 8,022 | -7,745 |
| Blossom | — | |
| Glen Rose | — |
10 TOPS · FIRST 8
Snider Industries42-203-35482
2.0 KM · Trinity Operating (Usg), LLC · Section with this well →
| Nacatoch | 1,215 | -931 |
| Paluxy | 4,609 | -4,325 |
| Rodessa | 4,873 | -4,589 |
| Pettit | 5,689 | -5,405 |
| Travis Peak | 5,991 | -5,707 |
| Cotton Valley | — | |
| Blossom | — | |
| Goodland | — |
10 TOPS · FIRST 8
Vaughan-Jonesville HV Unit A42-203-35670
2.1 KM · TGNR East Texas II LLC · Section with this well →
| Goodland | 2,545 | -2,273 |
| Paluxy | 2,733 | -2,461 |
| Glen Rose | 3,186 | -2,914 |
| Rodessa | 5,031 | -4,759 |
| Pettit | 5,784 | -5,512 |
| Travis Peak | 6,097 | -5,825 |
| Cotton Valley | 7,914 | -7,642 |
| Woodbine | — |
10 TOPS · FIRST 8
Vaughan-Jonesville HV Unit B42-203-35671
2.1 KM · TGNR East Texas II LLC · Section with this well →
| Goodland | 2,548 | -2,276 |
| Paluxy | 2,735 | -2,463 |
| Glen Rose | 3,190 | -2,918 |
| Rodessa | 5,037 | -4,765 |
| Pettit | 5,782 | -5,510 |
| Travis Peak | 6,101 | -5,829 |
| Cotton Valley | 7,921 | -7,649 |
| Blossom | — |
10 TOPS · FIRST 8
Vaughan-Jonesville HV Unit C42-203-35675
2.1 KM · TGNR East Texas II LLC · Section with this well →
| Goodland | 2,553 | -2,281 |
| Paluxy | 2,741 | -2,469 |
| Glen Rose | 3,193 | -2,921 |
| Rodessa | 5,048 | -4,776 |
| Pettit | 5,788 | -5,516 |
| Travis Peak | 6,103 | -5,831 |
| Cotton Valley | 7,918 | -7,646 |
| Woodbine | — |
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/20335658, documented in the API reference.