WELL · 42-459-30526 · DISTRICT 6
Machen Gas Unit #1
Upshur County · Rosewood (Cotton Valley) field · Producing · Vertical
Machen Gas Unit #1 (API 42-459-30526) is a well in Upshur County operated by Tanos Exploration IV LLC, completed March 11, 1982 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued December 31, 1981, permitted to 12,500 ft.
It was permitted by Txo Production Corp. and has since transferred to Tanos Exploration IV LLC on the wellbore schedule.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by TXO Production Corp.; the EWA schedule now lists a different operator.
Tyler, TX · P-5 Y, filed Sep 4, 2025 · 19 permits on file · (888) 860-2149
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Tanos Exploration IV LLC |
| Production reports | Tanos Exploration IV, LLCthrough Mar 2026 |
| Latest permit | TXO Production Corp.Dec 31, 1981 |
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
- 1
- permits on file
- Dec 31, 1981
- last permit issued
- Mar 11, 1982
- completed
- 0
- cumulative oil, bbl
- 391K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 11, 1982
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
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 |
|---|---|---|---|---|---|---|
| Machen Gas Unit G-6-101593 | Rosewood (Cotton Valley) | Tanos Exploration IV, LLC | 1 | 0 | 391K | Jan 1993 – Jul 2026 |
Gas, mcf lease total
Last 12 months 9,636 · prior 12 3,173(+204%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Tracer Energy, Inc.Jan 1993 → May 1994
- 2Mustang Energy Inc.Jun 1994 → Oct 2003
- 3Brothers Production Company Inc.Nov 2003 → Dec 2003
- 4Cavalry Resources LLCJan 2004 → Nov 2007
- 5Branta Production Company LLCDec 2007 → Dec 2010
- 6Block T Operating, LLCJan 2011 → Aug 2011
- 7Block "T" Petroleum, Inc.Sep 2011 → Jun 2017
- 8Fortune Resources LLCJul 2017 → Jun 2020
- 9Sheer Energy, LLCAug 2020 → Oct 2020
- 1084 Energy LLCNov 2020 → Jul 2025
- 11Tanos Exploration IV, LLCAug 2025 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 147186-99 | Drill | TXO Production Corp. | Dec 31, 1981 | Dec 31, 1981 | — | 12,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-6-101593 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,556 | 10,636 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 16 | 80 | 20 | 8 S |
| 9.625 | 4,255 | 12.25 | 1,750 S |
| 2.875 | 10,428 | — | — |
| 5.5 | 12,000 | 8.75 | 1,100 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 12, 1984 | Aug 24, 1982 | — |
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 42-459-30526 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-459-30526 → 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.
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/45930526, documented in the API reference.