WELL · 42-445-31066 · DISTRICT 8
Williams N. M. #6
Terry County · Prentice (6700) field · Vertical
Williams N. M. #6 (API 42-445-31066) is a well in Terry County operated by Shinnery Oil Company Inc., completed December 7, 1983.
The RRC has issued 3 drilling permits between 1982 and 1985, permitted to 8,200 ft.
It was permitted by Markay Oil & Gas Company and has since transferred to Shinnery Oil Company Inc. on the wellbore schedule.
Completion filings report 6 formation tops, including Anhydrite, Yates, San Andres, Glorieta.
Its lease has reported 368K barrels of oil and 192K mcf of gas since January 1993, last reporting in July 2026. The lease carries 8 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Markay Oil & Gas Company; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Jan 5, 2026 · 10 permits on file · (432) 559-6817
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Shinnery Oil Company Inc. |
| Production reports | Shinnery Oil Company, Inc.through Mar 2026 |
| Latest permit | Markay Oil & Gas CompanyMay 15, 1985 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,200
- total depth, ft
- 3
- permits on file
- May 15, 1985
- last permit issued
- Dec 7, 1983
- completed
- 368K
- cumulative oil, bbl
- 192K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 7, 1983
- Shut in
- —
- Plugged
- —
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 lease this well is completed on; they carry 8 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Williams, N. M. O-11-189 | Alex | Shinnery Oil Company, Inc. | 8 | 368K | 192K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 5,952 · prior 12 7,566(-21%)
Gas, mcf lease total
Last 12 months 1,235 · prior 12 2,214(-44%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Shinnery Oil Company, Inc.Jan 1993 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 275307-99 | Recompletion | Markay Oil & Gas Company | Apr 26, 1985 | May 15, 1985 | — | 6,000 |
| 217514-99 | Recompletion | Sun Expl. & Prod. Co.-Midland | Oct 7, 1983 | Oct 18, 1983 | — | 8,100 |
| 163057-99 | Drill | Sun Expl. & Prod. Co.-Midland | Jun 8, 1982 | Jun 8, 1982 | Jun 21, 1982 | 8,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-11-189 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,551 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Anhydrite | 2,380 | 1,171 |
| Yates | 3,065 | 486 |
| San Andres | 4,408 | -857 |
| Glorieta | 5,713 | -2,162 |
| Clear ForkCLEARFORK | 6,400 | -2,849 |
| Tubb | 7,623 | -4,072 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,121 | 5,190 | Perforated |
| 5,870 | 5,900 | Perforated |
| 6,294 | 6,350 | Perforated |
| 6,464 | 6,562 | Perforated |
| 6,608 | 6,658 | Perforated |
| 7,723 | 8,074 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 2,375 | 7.875 | 1,000 S |
| 8.625 | 2,375 | 12.25 | 1,000 S |
| 2.875 | 7,968 | — | — |
| 5.5 | 8,097 | 7.875 | 2,125 S |
| 5.5 | 8,097 | 12.25 | 3,425 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 | Jul 16, 1985 | Jul 5, 1985 | — |
| 00 | Jul 13, 1985 | — | — |
| 00 | Mar 27, 1984 | Feb 29, 1984 | — |
| 00 | Mar 16, 1984 | Feb 29, 1984 | — |
| 00 | Jan 12, 1984 | Nov 12, 1982 | — |
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 42-445-31066 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-445-31066 → 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.
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/44531066, documented in the API reference.