WELL · 42-427-32758 · DISTRICT 4
Nilo Shallow a GU #4
Starr County · Vertical
Nilo Shallow A GU #4 (API 42-427-32758) is a permitted well in Starr County filed by Eog Resources, Inc.; no completion report is on file yet.
The RRC has issued 3 drilling permits between 1995 and 2006, permitted to 8,800 ft.
Completion filings report 5 formation tops, including Queen City, Reklaw, Wilcox, Upper Wx.
Operator of record
- Based in
- Midland, TX
- P-5 status
- Active (A)
- P-5 last filed
- Oct 2, 2025
- Permits on file
- 16,348
- Phone
- (713) 651-7000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Varas Energy Operating Company,through Jan 2026 |
| Latest permit | EOG Resources, Inc.Apr 21, 2006 |
- 8,800
- total depth, ft
- 3
- permits on file
- Apr 21, 2006
- last permit issued
- —
- completed
- 0
- cumulative oil, bbl
- 1.91M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 1995 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
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 |
|---|---|---|---|---|---|---|
| Nilo Shallow a GU G-4-222159 | Roma, W. (Wilcox 7100) | Varas Energy Operating Company, | 1 | 0 | 41.3K | Aug 2006 – Jul 2026 |
| Nilo Shallow a GU G-4-154455 | Roma, W. (Wilcox 7500) | EOG Resources, Inc. | 1 | 0 | 1.87M | May 1995 – Aug 2006 |
Gas, mcf lease total
Last 12 months 166 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Enron Oil & Gas CompanyMay 1995 → Jul 1999
- 2EOG Resources, Inc.Oct 1999 → Oct 2011
- 3Bluestone Natural Res. II, LLCOct 2013 → Feb 2018
- 4Hugoton Operating Company, Inc.Dec 2020 → Dec 2020
- 5Varas Energy Operating Company,Jan 2026 → Jan 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 617946-99 | Recompletion | EOG Resources, Inc. | Apr 20, 2006 | Apr 21, 2006 | Apr 3, 2006 | 7,750 |
| 471373-99 | Recompletion | Enron Oil & Gas Company | Dec 17, 1997 | Dec 17, 1997 | — | 7,750 |
| 435201-99 | Drill | Enron Oil & Gas Company | Apr 25, 1995 | Apr 25, 1995 | Apr 27, 1995 | 8,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-154455 | — | — | — | — |
| — | — G-4-222159 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 209 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen City | 3,180 | -2,971 |
| Reklaw | 5,506 | -5,297 |
| WilcoxUPPER WILCOX | 6,652 | -6,443 |
| Upper WX | 6,652 | -6,443 |
| Wills PT | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,136 | 7,155 | Perforated |
| 7,366 | 7,410 | Perforated |
| 7,502 | 7,520 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,016 | 12.25 | 620 S |
| 7 | 5,445 | 8.75 | 285 S |
| 7 | 5,446 | 8.75 | 285 S |
| 2.875 | 7,738 | 6.25 | 475 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 | Mar 21, 2007 | Sep 6, 2006 | Yes |
| 00 | Nov 28, 2006 | — | — |
| 00 | Nov 8, 1995 | Oct 9, 1995 | — |
| 00 | Oct 4, 1995 | Jun 1, 1995 | Yes |
| 00 | Jun 30, 1995 | — | — |
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 42-427-32758 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-427-32758 → 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/42732758, documented in the API reference.