WELL · 42-177-34121 · DISTRICT 1

Stills Unit #12H

Y

Gonzales County · Eagleville (Eagle Ford-1) field · Producing  · Horizontal

Stills Unit #12H (API 42-177-34121) is a horizontal well in Gonzales County operated by Eog Resources Inc., completed August 20, 2019 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued March 11, 2019, permitted to 12,500 ft.

Completion filings report 9 formation tops, including Reklaw, Wilcox, Carrizo, Navarro.

Its lease has reported 4.64M barrels of oil and 7.81M mcf of gas since December 2015, last reporting in July 2026. The lease carries 14 wells, so these are lease totals, not this well alone.

Operator of record

EOG Resources Inc.

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 scheduleEOG Resources Inc.
Production reportsEOG Resources, Inc.through Apr 2026
Latest permitEOG Resources, Inc.Mar 11, 2019
12,500
total depth, ft
1
permits on file
Mar 11, 2019
last permit issued
Aug 20, 2019
completed
4.64M
cumulative oil, bbl
7.81M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 2015 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Aug 20, 2019
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

29.151522, -97.562728

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 lease this well is completed on; they carry 14 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Stills Unit O-1-18700Eagleville (Eagle Ford-1)EOG Resources, Inc.144.64M7.81MDec 2015 – Jul 2026

Oil, barrels lease total

Last 12 months 109,388 · prior 12 129,892(-16%)

010K20K202420252026

Gas, mcf lease total

Last 12 months 234,364 · prior 12 284,026(-17%)

020K40K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1EOG Resources, Inc.Jan 2016 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
850785-99DrillEOG Resources, Inc.Mar 7, 2019Mar 11, 2019Mar 18, 201912,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-1-18700————

Formation tops

As filed on W-2/G-1. Subsea from 346 ft elevation.Download CSV →

FormationMD ftSubsea
Reklaw3,975-3,629
WilcoxWILCOX - DISPOSAL4,560-4,214
Carrizo4,630-4,284
Navarro9,575-9,229
Anacacho11,088-10,742
Austin ChalkAUSTIN CHALK - H2S11,371-11,025
Eagle FordEAGLE FORD - H2S11,701-11,355
BudaBUDA - H2S, DISPOSAL——
EdwardsEDWARDS - H2S——

Perforations

Perforated and open-hole intervals.

FromToType
11,94615,115Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6252,67712.25848 S
5.515,3838.52,465 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Dec 10, 2019Sep 30, 2019Yes

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.

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.

Open the cross-section →

Stills Unit42-177-34122

0.0 KM · EOG Resources, Inc. · Section with this well →

Reklaw3,981-3,635
Wilcox4,566-4,220
Carrizo4,636-4,290
Navarro9,581-9,235
Anacacho11,094-10,748
Austin Chalk11,383-11,037
Eagle Ford11,713-11,367
Edwards—

9 TOPS · FIRST 8

Stills Unit42-177-34123

0.0 KM · EOG Resources, Inc. · Section with this well →

Reklaw3,991-3,645
Wilcox4,576-4,230
Carrizo4,646-4,300
Navarro9,591-9,245
Anacacho11,101-10,755
Austin Chalk11,386-11,040
Eagle Ford11,716-11,370
Buda—

9 TOPS · FIRST 8

McCollum a Unit42-177-33907

0.1 KM · EOG Resources, Inc. · Section with this well →

Reklaw4,003-3,667
Wilcox4,588-4,252
Carrizo4,658-4,322
Navarro9,603-9,267
Anacacho11,057-10,721
Austin Chalk11,344-11,008
Eagle Ford11,716-11,380
Edwards—

9 TOPS · FIRST 8

McCollum a Unit42-177-33906

0.1 KM · EOG Resources, Inc. · Section with this well →

Reklaw3,994-3,658
Wilcox4,579-4,243
Carrizo4,649-4,313
Navarro9,594-9,258
Anacacho11,074-10,738
Austin Chalk11,355-11,019
Eagle Ford11,724-11,388
Buda—

9 TOPS · FIRST 8

McCollum a Unit42-177-33905

0.1 KM · EOG Resources, Inc. · Section with this well →

Reklaw3,990-3,654
Wilcox4,575-4,239
Carrizo4,645-4,309
Navarro9,590-9,254
Anacacho11,072-10,736
Austin Chalk11,368-11,032
Eagle Ford11,725-11,389
Edwards—

9 TOPS · FIRST 8

McCollum a Unit42-177-33904

0.1 KM · EOG Resources, Inc. · Section with this well →

Reklaw3,987-3,651
Wilcox4,572-4,236
Carrizo4,642-4,306
Navarro9,587-9,251
Anacacho11,088-10,752
Austin Chalk11,369-11,033
Eagle Ford11,738-11,402
Buda—

9 TOPS · FIRST 8

Gahan A42-177-34783

0.2 KM · EOG Resources, Inc. · Section with this well →

Reklaw4,066-3,722
Wilcox4,651-4,307
Carrizo4,721-4,377
Navarro9,701-9,357
Anacacho11,225-10,881
Austin Chalk11,506-11,162
Eagle Ford11,734-11,390
Buda—

9 TOPS · FIRST 8

Gahan C42-177-34785

0.2 KM · EOG Resources, Inc. · Section with this well →

Reklaw4,080-3,736
Wilcox4,665-4,321
Carrizo4,735-4,391
Navarro9,710-9,366
Anacacho11,223-10,879
Austin Chalk11,507-11,163
Eagle Ford11,822-11,478
Edwards—

9 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/17734121, documented in the API reference.