WELL · 42-005-30518 · DISTRICT 6
Mosasaurus Unit #2HB
Angelina County · Carthage (Haynesville Shale) field · Producing · Horizontal
Mosasaurus Unit #2HB (API 42-005-30518) is a horizontal well in Angelina County operated by Adamas Energy LLC, completed October 23, 2025 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued May 19, 2025, permitted to 15,650 ft.
It was permitted by Aethon Energy Operating LLC and has since transferred to Adamas Energy LLC on the wellbore schedule.
Completion filings report 5 formation tops, including Nacatoch, Glen Rose, Pettit, Travis Peak.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Aethon Energy Operating LLC; the EWA schedule now lists a different operator.
Dover, DE · P-5 Y, filed Jan 6, 2026 · 67 permits on file · (800) 274-0033
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Adamas Energy LLC |
| Production reports | Adamas Energy LLCthrough Mar 2026 |
| Latest permit | Aethon Energy Operating LLCMay 19, 2025 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 15,650
- total depth, ft
- 2
- permits on file
- May 19, 2025
- last permit issued
- Oct 23, 2025
- completed
- 0
- cumulative oil, bbl
- 3.06M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2025 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 23, 2025
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
31.390390, -94.638016
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Angelina 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 |
|---|---|---|---|---|---|---|
| Mosasaurus Unit G-6-300506 | Carthage (Haynesville Shale) | Adamas Energy LLC | 1 | 0 | 3.06M | Sep 2025 – Jul 2026 |
Gas, mcf lease total
Last 12 months 3,057,001 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Aethon Energy Operating LLCOct 2025 → Feb 2026
- 2Adamas Energy LLCMar 2026 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 908067-98 | Drill | Aethon Energy Operating LLC | Aug 4, 2025 | May 19, 2025 | Jun 12, 2025 | 15,650 |
| 908067-99 | Drill | Aethon Energy Operating LLC | May 16, 2025 | May 19, 2025 | Jun 12, 2025 | 15,650 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-6-300506 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 272 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Nacatoch | 5,168 | -4,896 |
| Glen Rose | 7,540 | -7,268 |
| PettitPETTET | 10,003 | -9,731 |
| Travis Peak | 10,903 | -10,631 |
| Haynesville | 14,667 | -14,395 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 16,102 | 23,082 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 24 | 130 | 30 | 170 S |
| 16 | 2,499 | 20 | 2,515 S |
| 10.75 | 11,020 | 13.5 | 1,410 S |
| 6 | 14,829 | 7.875 | 1,375 S |
| 5.5 | 23,110 | 7.875 | 1,375 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 13, 2026 | Jan 27, 2026 | — |
| 00 | Dec 10, 2025 | Oct 15, 2025 | 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 42-005-30518 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-005-30518 → 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.
Mojo Unit42-005-30517
0.0 KM · Aethon Energy Operating LLC · Section with this well →
| Nacatoch | 5,154 | -4,882 |
| Glen Rose | 7,535 | -7,263 |
| Pettit | 10,044 | -9,772 |
| Travis Peak | 11,966 | -11,694 |
| Haynesville | 14,708 | -14,436 |
Bronto Gas Unit42-005-30491
1.1 KM · Aethon Energy Operating LLC · Section with this well →
| Nacatoch | 5,156 | -4,875 |
| Glen Rose | 7,635 | -7,354 |
| Pettit | 9,995 | -9,714 |
| Travis Peak | 10,867 | -10,586 |
| Cotton Valley | 14,616 | -14,335 |
| Haynesville | 15,622 | -15,341 |
Bronto Gas Unit42-005-30490
1.1 KM · Aethon Energy Operating LLC · Section with this well →
| Glen Rose | 7,637 | -7,356 |
| Pettit | 9,999 | -9,718 |
| Travis Peak | 10,876 | -10,595 |
| Cotton Valley | 14,031 | -13,750 |
| Haynesville | 15,976 | -15,695 |
| Nacatoch | — |
Gasosaurus Gas Unit42-005-30467
1.1 KM · Aethon Energy Operating LLC · Section with this well →
| Pettit | 1,008 | -731 |
| Glen Rose | 7,552 | -7,275 |
| James Lime | 9,713 | -9,436 |
| Travis Peak | 10,880 | -10,603 |
| Haynesville | 14,517 | -14,240 |
| Nacatoch | — |
Gasosaurus Gas Unit42-005-30466
1.1 KM · Aethon Energy Operating LLC · Section with this well →
| Glen Rose | 7,552 | -7,273 |
| Pettit | 9,713 | -9,434 |
| Travis Peak | 10,008 | -9,729 |
| James Lime | 10,880 | -10,601 |
| Haynesville | 14,817 | -14,538 |
| Nacatoch | — |
Bronto Gas Unit42-005-30438
1.5 KM · BP America Production Company · Section with this well →
| Nacatoch | 4,176 | -3,857 |
| Glen Rose | 7,662 | -7,343 |
| Pettit | 10,023 | -9,704 |
| Travis Peak | 10,910 | -10,591 |
| Haynesville | 14,785 | -14,466 |
Bronto Gas Unit42-005-30439
1.5 KM · BPX Operating Company · Section with this well →
| Nacatoch | 6,310 | -5,991 |
| Glen Rose | 7,666 | -7,347 |
| Pettit | 10,028 | -9,709 |
| Travis Peak | 10,913 | -10,594 |
| Haynesville | 14,790 | -14,471 |
Gasosaurus Gas Unit42-005-30415
1.8 KM · BP America Production Company · Section with this well →
| Nacatoch | 6,340 | -6,003 |
| Glen Rose | 7,688 | -7,351 |
| Pettit | 10,044 | -9,707 |
| Travis Peak | 10,936 | -10,599 |
| Haynesville | 14,828 | -14,491 |
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/00530518, documented in the API reference.