WELL · 42-177-34256 · DISTRICT 1
Nichols Unit #20H
Gonzales County · Eagleville (Eagle Ford-1) field · Horizontal
Nichols Unit #20H (API 42-177-34256) is a horizontal well in Gonzales County operated by Eog Resources Inc., completed February 6, 2020.
The RRC has issued one drilling permit (amended once), issued January 9, 2020, permitted to 13,200 ft.
Completion filings report 9 formation tops, including Reklaw, Wilcox, Carrizo, Navarro.
Its 2 leases have reported 5.98M barrels of oil and 12.8M mcf of gas since March 2013, last reporting in July 2026. The leases carry 24 wells, so these are lease totals, not this well alone.
Operator of record
Midland, TX · P-5 Y, filed Jul 4, 2026 · 16,348 permits on file · (713) 594-5431
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | EOG Resources Inc. |
| Production reports | EOG Resources, Inc.through Apr 2026 |
| Latest permit | EOG Resources, Inc.Jan 9, 2020 |
- 13,200
- total depth, ft
- 2
- permits on file
- Jan 9, 2020
- last permit issued
- Feb 6, 2020
- completed
- 5.98M
- cumulative oil, bbl
- 12.8M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 2013 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 6, 2020
- Shut in
- —
- Plugged
- —
Surface location
29.410361, -97.258333
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Gonzales County.
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 24 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Lefevre Unit O-1-16712 | Eagleville (Eagle Ford-1) | EOG Resources, Inc. | 16 | 4.26M | 8.82M | Mar 2013 – Jul 2026 |
| Nichols Unit O-1-17436 | Eagleville (Eagle Ford-1) | EOG Resources, Inc. | 8 | 1.72M | 3.96M | Oct 2013 – Jul 2026 |
Oil, barrels lease total
Last 12 months 88,271 · prior 12 107,840(-18%)
Gas, mcf lease total
Last 12 months 196,821 · prior 12 302,134(-35%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1EOG Resources, Inc.Mar 2013 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 860549-98 | Drill | EOG Resources, Inc. | Feb 18, 2021 | Jan 9, 2020 | Feb 5, 2021 | 13,200 |
| 860549-99 | Drill | EOG Resources, Inc. | Jan 2, 2020 | Jan 9, 2020 | — | 13,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-16712 | — | — | — | — |
| — | — O-1-17436 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 378 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Reklaw | 4,271 | -3,893 |
| WilcoxWILCOX - DISPOSAL | 4,502 | -4,124 |
| Carrizo | 4,657 | -4,279 |
| Navarro | 9,513 | -9,135 |
| Anacacho | 10,847 | -10,469 |
| Austin ChalkAUSTIN CHALK - H2S | 11,192 | -10,814 |
| Eagle FordEAGLE FORD - H2S | 11,732 | -11,354 |
| Austin ChalkAUSTIN CHALK - H2S | — | — |
| BudaBUDA - H2S, DISPOSAL | — | — |
| Carrizo | — | — |
| Eagle FordEAGLE FORD - H2S | — | — |
| EdwardsEDWARDS - H2S | — | — |
| Navarro | — | — |
| Reklaw | — | — |
| WilcoxWILCOX - DISPOSAL | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 12,047 | 19,828 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 998 | 14.75 | 535 S |
| 8.625 | 9,075 | 9.5 | 801 S |
| 5.5 | 19,897 | 7.875 | 1,603 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 | Aug 11, 2021 | Aug 2, 2021 | — |
| 00 | Sep 14, 2020 | Sep 10, 2020 | — |
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 42-177-34256 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-177-34256 → 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.
Antarctic A42-177-34257
0.0 KM · EOG Resources, Inc. · Section with this well →
| Reklaw | 4,272 | -3,895 |
| Wilcox | 4,503 | -4,126 |
| Carrizo | 4,658 | -4,281 |
| Navarro | 9,526 | -9,149 |
| Anacacho | 10,904 | -10,527 |
| Austin Chalk | 11,214 | -10,837 |
| Eagle Ford | 11,764 | -11,387 |
| Edwards | — |
9 TOPS · FIRST 8
Nichols Unit42-177-34255
0.0 KM · EOG Resources, Inc. · Section with this well →
| Reklaw | 4,188 | -3,811 |
| Wilcox | 4,525 | -4,148 |
| Carrizo | 4,677 | -4,300 |
| Navarro | 9,540 | -9,163 |
| Anacacho | 10,860 | -10,483 |
| Austin Chalk | 11,218 | -10,841 |
| Eagle Ford | 11,752 | -11,375 |
| Edwards | — |
9 TOPS · FIRST 8
Bilsky Unit42-177-34387
0.5 KM · Marathon Oil EF LLC · Section with this well →
| Reklaw | 3,967 | -3,662 |
| Wilcox | 4,527 | -4,222 |
| Austin Chalk | 10,995 | -10,690 |
| Eagle Ford | 11,619 | -11,314 |
| Buda | — | |
| Carrizo | — | |
| Edwards | — | |
| Navarro | — |
Bilsky Unit42-177-34388
0.5 KM · Marathon Oil EF LLC · Section with this well →
| Reklaw | 3,967 | -3,662 |
| Wilcox | 4,527 | -4,222 |
| Austin Chalk | 11,003 | -10,698 |
| Eagle Ford | 11,609 | -11,304 |
| Edwards | — | |
| Navarro | — | |
| Carrizo | — | |
| Buda | — |
Bilsky Unit42-177-34389
0.5 KM · Marathon Oil EF LLC · Section with this well →
| Reklaw | 3,967 | -3,662 |
| Wilcox | 4,527 | -4,222 |
| Austin Chalk | 10,985 | -10,680 |
| Eagle Ford | 11,597 | -11,292 |
| Carrizo | — | |
| Buda | — | |
| Edwards | — | |
| Navarro | — |
Bilsky-Bilsky-Chumchal SA42-177-34503
0.6 KM · Marathon Oil EF LLC · Section with this well →
| Reklaw | 3,697 | -3,358 |
| Carrizo | 4,594 | -4,255 |
| Wilcox | 5,685 | -5,346 |
| Austin Chalk | 11,063 | -10,724 |
| Eagle Ford | 11,677 | -11,338 |
| Buda | — | |
| Navarro | — | |
| Edwards | — |
Bilsky-Chumchal SA142-177-34500
0.7 KM · Marathon Oil EF LLC · Section with this well →
| Cook Mountain | 2,459 | -2,119 |
| Reklaw | 3,687 | -3,347 |
| Carrizo | 4,582 | -4,242 |
| Wilcox | 5,654 | -5,314 |
| Olmos | 9,939 | -9,599 |
| Austin Chalk | 11,068 | -10,728 |
| Eagle Ford | 11,682 | -11,342 |
| Navarro | — |
10 TOPS · FIRST 8
Bilsky-Chumchal SA242-177-34501
0.7 KM · Marathon Oil EF LLC · Section with this well →
| Cook Mountain | 2,464 | -2,123 |
| Queen City | 3,509 | -3,168 |
| Reklaw | 3,711 | -3,370 |
| Carrizo | 4,566 | -4,225 |
| Wilcox | 5,665 | -5,324 |
| Midway | 8,787 | -8,446 |
| Olmos | 9,939 | -9,598 |
| Austin Chalk | 11,064 | -10,723 |
12 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/17734256, documented in the API reference.