WELL · 42-135-43859 · DISTRICT 8
Millard C #104
Ector County · Penwell (Wichita Albany) field · Vertical
Millard C #104 (API 42-135-43859) is a well in Ector County operated by Ring Energy Inc., completed May 16, 2022.
The RRC has issued 3 drilling permits between 2021 and 2025, permitted to 8,500 ft.
Completion filings report 17 formation tops, including Santa Rosa, Yates, Seven Rivers, Queen.
Its 2 leases have reported 809K barrels of oil and 1.46M mcf of gas since January 1993, last reporting in July 2026. The leases carry 17 wells, so these are lease totals, not this well alone.
Operator of record
Midland, TX · P-5 Y, filed Nov 4, 2025 · 997 permits on file · (855) 214-5188
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Ring Energy Inc. |
| Production reports | Ring Energy, Inc.through Apr 2026 |
| Latest permit | Ring Energy, Inc.Apr 30, 2025 |
- 8,500
- total depth, ft
- 3
- permits on file
- Apr 30, 2025
- last permit issued
- May 16, 2022
- completed
- 809K
- cumulative oil, bbl
- 1.46M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 16, 2022
- Shut in
- —
- Plugged
- —
Surface location
31.741986, -102.643200
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Ector 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 17 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Millard -C- O-10-18108 | Penwell (Clear Fork 5100) | Ring Energy, Inc. | 12 | 727K | 1.35M | Jan 1993 – Jul 2026 |
| Millard "C" O-10-40583 | Penwell (Wichita Albany) | Ring Energy, Inc. | 5 | 82.3K | 116K | Jun 2010 – Jul 2026 |
Oil, barrels lease total
Last 12 months 47,461 · prior 12 58,301(-19%)
Gas, mcf lease total
Last 12 months 186,868 · prior 12 155,119(+20%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Phillips Petroleum CompanyJan 1993 → Dec 2002
- 2Conocophillips CompanyJan 2003 → Feb 2019
- 3Founders Oil & Gas Operating,llcMar 2019 → Jul 2023
- 4Ring Energy, Inc.Aug 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 907669-99 | Recompletion | Ring Energy, Inc. | Apr 30, 2025 | Apr 30, 2025 | — | 7,130 |
| 886283-99 | Recompletion | Founders Oil & Gas Operating,llc | Dec 7, 2022 | Jan 9, 2023 | Oct 4, 2022 | 7,130 |
| 874915-99 | Drill | Founders Oil & Gas Operating,llc | Dec 1, 2021 | Dec 29, 2021 | Feb 13, 2022 | 8,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-18108 | — | — | — | — |
| — | — O-10-40583 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,924 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa RosaSANTA ROSA BASE | 483 | 2,441 |
| Yates | 2,185 | 739 |
| Seven Rivers | 2,716 | 208 |
| Queen | 2,916 | 8 |
| Grayburg | 3,219 | -295 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 3,489 | -565 |
| Glorieta | 4,384 | -1,460 |
| Clear ForkCLEARFORK | 4,704 | -1,780 |
| Tubb | 5,341 | -2,417 |
| Wichita-AlbanyWICHITA ALBANY | 5,802 | -2,878 |
| Wolfcamp | 6,235 | -3,311 |
| Devonian | 7,095 | -4,171 |
| Canyon | — | — |
| Holt | — | — |
| Pennsylvanian | — | — |
| Silurian (undifferentiated)SILURIAN | — | — |
| Strawn | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,796 | 5,631 | Perforated |
| 4,796 | 6,905 | Perforated |
| 5,828 | 6,905 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 796 | 12.25 | 310 S |
| 5.5 | 7,119 | 8.75 | 615 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 19, 2025 | Aug 12, 2025 | Yes |
| 00 | Feb 27, 2023 | Dec 2, 2022 | — |
| 00 | Nov 18, 2022 | May 31, 2022 | 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 42-135-43859 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-135-43859 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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.
Millard -C-42-135-42275
0.2 KM · Founders Oil & Gas Operating,llc · Section with this well →
| Clear Fork | 4,765 | -1,847 |
| Clear Fork | 5,405 | -2,487 |
| Wichita-Albany | 5,790 | -2,872 |
| Wolfcamp | 6,138 | -3,220 |
| Devonian | 7,099 | -4,181 |
| Waddell | 8,414 | -5,496 |
Millard E42-135-43694
0.2 KM · Founders Oil & Gas Operating,llc · Section with this well →
| Santa Rosa | 616 | 2,317 |
| Yates | 2,189 | 744 |
| Seven Rivers | 2,677 | 256 |
| Queen | 2,976 | -43 |
| San Andres | 3,504 | -571 |
| Glorieta | 4,380 | -1,447 |
| Clear Fork | 4,815 | -1,882 |
| Tubb | 5,383 | -2,450 |
10 TOPS · FIRST 8
Millard -C-42-135-40755
0.4 KM · Ring Energy, Inc. · Section with this well →
| Rustler | 952 | 1,973 |
| Yates | 2,182 | 743 |
| San Andres | 3,492 | -567 |
| San Andres | 3,492 | -567 |
| Glorieta | 4,395 | -1,470 |
| Clear Fork | 4,718 | -1,793 |
| Clear Fork | 4,936 | -2,011 |
| Wichita-Albany | 5,800 | -2,875 |
18 TOPS · FIRST 8
Millard -E-42-135-44013
0.4 KM · Ring Energy, Inc. · Section with this well →
| Rustler | 940 | 1,989 |
| Tansill | 2,020 | 909 |
| Yates | 2,166 | 763 |
| Seven Rivers | 2,383 | 546 |
| Queen | 2,944 | -15 |
| Grayburg | 3,249 | -320 |
| San Andres | 3,485 | -556 |
| Glorieta | 4,419 | -1,490 |
10 TOPS · FIRST 8
Millard -E-42-135-40768
0.5 KM · Founders Oil & Gas Operating,llc · Section with this well →
| Yates | 2,145 | 779 |
| San Andres | 3,438 | -514 |
| Glorieta | 4,407 | -1,483 |
| Clear Fork | 4,899 | -1,975 |
| Wichita-Albany | 5,760 | -2,836 |
| Wolfcamp | 6,236 | -3,312 |
| Fusselman | 7,359 | -4,435 |
| Simpson | 7,744 | -4,820 |
18 TOPS · FIRST 8
Millard 'D'42-135-44042
0.5 KM · Ring Energy, Inc. · Section with this well →
| Clear Fork | 4,797 | -1,875 |
| Yates | — | |
| Glorieta | — | |
| Grayburg | — | |
| Holt | — | |
| Queen | — | |
| San Andres | — | |
| Santa Rosa | — |
10 TOPS · FIRST 8
Millard -C-42-135-42276
0.6 KM · Founders Oil & Gas Operating,llc · Section with this well →
| Clear Fork | 4,677 | -1,748 |
| Clear Fork | 5,389 | -2,460 |
| Wichita-Albany | 5,777 | -2,848 |
| Wolfcamp | 6,171 | -3,242 |
| Devonian | 7,066 | -4,137 |
| Waddell | 8,391 | -5,462 |
Millard E42-135-43830
0.6 KM · Founders Oil & Gas Operating,llc · Section with this well →
| Santa Rosa | 479 | 2,452 |
| Yates | 2,181 | 750 |
| Seven Rivers | 2,707 | 224 |
| Queen | 2,906 | 25 |
| Grayburg | 3,220 | -289 |
| San Andres | 3,469 | -538 |
| Holt | 4,161 | -1,230 |
| Glorieta | 4,397 | -1,466 |
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/13543859, documented in the API reference.