WELL · 42-255-36579 · DISTRICT 2
Mills Unit #104H
Karnes County · Sugarkane (Austin Chalk) field · Producing · Horizontal
Mills Unit #104H (API 42-255-36579) is a horizontal well in Karnes County operated by Eog Resources Inc., completed March 10, 2020 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued September 9, 2019, permitted to 11,500 ft.
Completion filings report 10 formation tops, including Frio, Yegua, Queen City, Reklaw.
Its lease has reported 2.43M barrels of oil and 9.01M mcf of gas since July 2019, last reporting in July 2026. The lease carries 6 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.Sep 9, 2019 |
- 11,500
- total depth, ft
- 1
- permits on file
- Sep 9, 2019
- last permit issued
- Mar 10, 2020
- completed
- 2.43M
- cumulative oil, bbl
- 9.01M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 2019 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 10, 2020
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
28.979389, -97.903567
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Karnes 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 6 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Mills Unit O-2-11838 | Sugarkane (Austin Chalk) | EOG Resources, Inc. | 6 | 2.43M | 9.01M | Jul 2019 – Jul 2026 |
Gas, mcf lease total
Last 12 months 997,620 · prior 12 1,098,484(-9%)
Oil, barrels lease total
Last 12 months 97,189 · prior 12 136,229(-29%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1EOG Resources, Inc.Jul 2019 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 856676-99 | Drill | EOG Resources, Inc. | Aug 29, 2019 | Sep 9, 2019 | Oct 18, 2019 | 11,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-2-11838 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 338 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| FrioFRIO - DISPOSAL | 500 | -162 |
| YeguaYEGUA - DISPOSAL | 1,852 | -1,514 |
| Queen City | 2,887 | -2,549 |
| Reklaw | 3,359 | -3,021 |
| WilcoxWILCOX - DISPOSAL | 4,141 | -3,803 |
| Carrizo | 4,243 | -3,905 |
| Anacacho | 10,409 | -10,071 |
| Austin ChalkAUSTIN CHALK - H2S | 10,519 | -10,181 |
| Eagle FordEAGLE FORD - H2S | — | — |
| EdwardsEDWARDS - H2S | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,755 | 16,601 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 5,735 | 12.25 | 1,473 S |
| 6 | 16,660 | 8.75 | 1,980 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 | May 1, 2020 | Mar 23, 2020 | Yes |
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 42-255-36579 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-255-36579 → 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.
Mills Unit42-255-36578
0.0 KM · EOG Resources, Inc. · Section with this well →
| Frio | 500 | -162 |
| Yegua | 1,848 | -1,510 |
| Queen City | 2,883 | -2,545 |
| Reklaw | 3,355 | -3,017 |
| Wilcox | 4,137 | -3,799 |
| Carrizo | 4,239 | -3,901 |
| Anacacho | 10,412 | -10,074 |
| Austin Chalk | 10,535 | -10,197 |
10 TOPS · FIRST 8
Duncan Unit42-255-36592
0.0 KM · EOG Resources, Inc. · Section with this well →
| Yegua | 1,804 | -1,466 |
| Queen City | 2,839 | -2,501 |
| Reklaw | 3,311 | -2,973 |
| Wilcox | 4,093 | -3,755 |
| Carrizo | 4,195 | -3,857 |
| Anacacho | 10,405 | -10,067 |
| Austin Chalk | 10,547 | -10,209 |
| Eagle Ford | 10,736 | -10,398 |
10 TOPS · FIRST 8
Duncan Unit42-255-36593
0.0 KM · EOG Resources, Inc. · Section with this well →
| Yegua | 1,801 | -1,463 |
| Queen City | 2,836 | -2,498 |
| Reklaw | 3,308 | -2,970 |
| Wilcox | 4,090 | -3,752 |
| Carrizo | 4,182 | -3,844 |
| Anacacho | 10,413 | -10,075 |
| Austin Chalk | 10,570 | -10,232 |
| Eagle Ford | 10,743 | -10,405 |
10 TOPS · FIRST 8
Duncan Unit42-255-36594
0.0 KM · EOG Resources, Inc. · Section with this well →
| Yegua | 1,800 | -1,472 |
| Queen City | 2,835 | -2,507 |
| Reklaw | 3,307 | -2,979 |
| Wilcox | 4,089 | -3,761 |
| Carrizo | 4,191 | -3,863 |
| Anacacho | 10,411 | -10,083 |
| Austin Chalk | 10,550 | -10,222 |
| Eagle Ford | 10,740 | -10,412 |
10 TOPS · FIRST 8
Duncan Unit42-255-36595
0.0 KM · EOG Resources, Inc. · Section with this well →
| Yegua | 1,799 | -1,461 |
| Queen City | 2,834 | -2,496 |
| Reklaw | 3,306 | -2,968 |
| Wilcox | 4,088 | -3,750 |
| Carrizo | 4,190 | -3,852 |
| Austin Chalk | 10,547 | -10,209 |
| Eagle Ford | 10,746 | -10,408 |
| Sligo | — |
10 TOPS · FIRST 8
Duncan Unit42-255-35356
0.1 KM · EOG Resources, Inc. · Section with this well →
| Yegua | 1,828 | -1,484 |
| Queen City | 2,863 | -2,519 |
| Reklaw | 3,335 | -2,991 |
| Wilcox | 4,117 | -3,773 |
| Carrizo | 4,219 | -3,875 |
| Austin Chalk | 10,538 | -10,194 |
| Eagle Ford | 10,728 | -10,384 |
| Edwards | — |
10 TOPS · FIRST 8
Duncan Unit42-255-35355
0.2 KM · EOG Resources, Inc. · Section with this well →
| Yegua | 1,827 | -1,484 |
| Queen City | 2,862 | -2,519 |
| Reklaw | 3,334 | -2,991 |
| Wilcox | 4,116 | -3,773 |
| Carrizo | 4,218 | -3,875 |
| Anacacho | 10,415 | -10,072 |
| Austin Chalk | 10,552 | -10,209 |
| Eagle Ford | 10,729 | -10,386 |
11 TOPS · FIRST 8
Duncan Unit42-255-33679
0.2 KM · EOG Resources, Inc. · Section with this well →
| Yegua | 1,826 | -1,484 |
| Queen City | 2,861 | -2,519 |
| Reklaw | 3,333 | -2,991 |
| Wilcox | 4,115 | -3,773 |
| Carrizo | 4,217 | -3,875 |
| Austin Chalk | 10,561 | -10,219 |
| Eagle Ford | 10,736 | -10,394 |
| Sligo | — |
10 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/25536579, documented in the API reference.