WELL · 42-459-30571 · DISTRICT 6
Wilco Gas Unit #1 #3
Upshur County · Gilmer (Cotton Valley Sands) field · Vertical
Wilco Gas Unit #1 #3 (API 42-459-30571) is a plugged well in Upshur County, plugged June 4, 2011, last operated by Apache Corporation.
The RRC has issued 2 drilling permits between 1983 and 1994, permitted to 12,140 ft.
It was permitted by Marathon Oil Company and has since transferred to Apache Corporation on the wellbore schedule.
Completion filings report 5 formation tops, including Goodland, Base Mass Anhyd, Pettit, Travis Peak.
Operator of record
Permitted by Marathon Oil Company; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Dec 3, 2025
- Permits on file
- 9,756
- Phone
- (713) 954-5500
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Apache Corporation |
| Production reports | Marathon Oil Companythrough Nov 1998 |
| Latest permit | Marathon Oil CompanyJul 11, 1994 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,140
- total depth, ft
- 2
- permits on file
- Jul 11, 1994
- last permit issued
- May 4, 1994
- completed
- 0
- cumulative oil, bbl
- 118K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jun 2011
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 4, 1994
- Shut in
- —
- Plugged
- Jun 4, 2011
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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Wilco Gas Unit #1 G-6-150558 | Gilmer (Cotton Valley Sands) | Apache Corporation | 1 | 0 | 118K | May 1994 – Jun 2011 |
| Wilco Gas Unit G-6-106299 | Gilmer (Bossier Sand) | Marathon Oil Company | 1 | 0 | 0 | Jan 1993 – May 1994 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Marathon Oil CompanyMay 1994 → Nov 1998
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 425701-99 | Recompletion | Marathon Oil Company | Jul 11, 1994 | Jul 11, 1994 | May 2, 1994 | 11,555 |
| 191668-99 | Drill | TXO Production Corp. | Apr 15, 1983 | Apr 15, 1983 | — | 12,140 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| May 4, 1994 | Wilco Gas Unit #1 G-6-150558 | Gilmer (Cotton Valley Sands) | Apache Corporation | Plugged | — |
| Jun 8, 1983 | Wilco Gas Unit G-6-106299 | Gilmer (Bossier Sand) | Marathon Oil Company | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 308 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Goodland | 5,230 | -4,922 |
| Base Mass Anhyd | 7,378 | -7,070 |
| Pettit | 7,963 | -7,655 |
| Travis Peak | 8,131 | -7,823 |
| BossierBOSSIER SHALE | 11,111 | -10,803 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,972 | 10,994 | Perforated |
| 11,001 | 11,003 | Perforated |
| 11,008 | 11,014 | Perforated |
| 11,040 | 11,058 | Perforated |
| 11,354 | 11,408 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 16 | 100 | 20 | — |
| 8.625 | 4,225 | 11 | 1,210 S |
| 2.375 | 11,265 | — | — |
| 4.5 | 11,555 | 7.875 | 470 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 | Sep 8, 1994 | Jul 7, 1994 | Yes |
| 00 | Aug 26, 1994 | — | — |
| 00 | Jan 12, 1984 | Jul 7, 1983 | — |
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 42-459-30571 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-459-30571 → 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/45930571, documented in the API reference.