WELL · 42-135-06434 · DISTRICT 8
Millard A #21
Ector County · Penwell (Queen) field · Vertical
Millard A #21 (API 42-135-06434) is a plugged well in Ector County, plugged October 3, 2001, last operated by Phillips Petroleum Company.
The RRC has issued one drilling permit, issued September 14, 1995, permitted to 3,370 ft.
Completion filings report 5 formation tops, including Anhydrite, Yates, Queen, Grayburg.
Its 2 leases have reported 7.31M barrels of oil and 4.33M mcf of gas since January 1993, last reporting in July 2026. The leases carry 283 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Houston, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Jul 30, 2002
- Permits on file
- 2,544
- Phone
- (918) 661-6600
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Phillips Petroleum Company |
| Production reports | Ring Energy, Inc.through Apr 2026 |
| Latest permit | Phillips Petroleum CompanySep 14, 1995 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 3,370
- total depth, ft
- 1
- permits on file
- Sep 14, 1995
- last permit issued
- Apr 18, 1996
- completed
- 7.31M
- cumulative oil, bbl
- 4.33M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 18, 1996
- Shut in
- —
- Plugged
- Oct 3, 2001
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 283 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| North Penwell Unit O-10-21556 | Penwell | Ring Energy, Inc. | 282 | 7.31M | 4.24M | Jan 1993 – Jul 2026 |
| Millard "A" G-10-157397 | Penwell (Queen) | Phillips Petroleum Company | 1 | 0 | 91.3K | Jan 1996 – Oct 2001 |
Oil, barrels lease total
Last 12 months 15,022 · prior 12 28,936(-48%)
Gas, mcf lease total
Last 12 months 21,112 · prior 12 14,505(+46%)
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 |
|---|---|---|---|---|---|---|
| 438979-99 | Recompletion | Phillips Petroleum Company | Aug 15, 1995 | Sep 14, 1995 | Oct 12, 1995 | 3,370 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-10-157397 | — | — | — | — |
| — | — O-10-21556 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,910 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Anhydrite | 932 | 1,978 |
| Yates | 2,127 | 783 |
| Yates | 2,130 | 780 |
| Queen | 3,087 | -177 |
| Grayburg | 3,222 | -312 |
| San Andres | 3,404 | -494 |
| San Andres | 3,405 | -495 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,095 | 3,112 | Perforated |
| 3,146 | 3,168 | Perforated |
| 3,444 | 3,690 | Perforated |
| — | 3,800 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 711 | 13.75 | 375 S |
| 10.75 | 771 | — | — |
| 2 | 3,442 | — | — |
| 5.5 | 3,700 | — | 650 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 27, 1996 | Jun 24, 1996 | Yes |
| 00 | May 9, 1996 | Feb 5, 1996 | Yes |
| 00 | Mar 28, 1996 | — | — |
| 00 | Feb 13, 1995 | Dec 16, 1994 | — |
| 00 | Jan 13, 1992 | Nov 22, 1991 | — |
| 00 | Jan 12, 1984 | May 21, 1962 | — |
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 42-135-06434 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-135-06434 → 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.
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/13506434, documented in the API reference.