WELL · 42-103-00009 · DISTRICT 8
McKnight M. B. #41
Crane County · Armer (Clear Fork) field · Producing · Vertical
Mcknight M. B. #41 (API 42-103-00009) is a well in Crane County operated by Williams Oil Company, completed November 20, 1997 and listed as producing on the RRC schedule.
The RRC has issued 2 drilling permits between 1993 and 1997, permitted to 6,450 ft.
Completion filings report 6 formation tops, including Glorieta, Clear Fork, Clkfk, Tubb.
Its 4 leases have reported 540K barrels of oil and 1.9M mcf of gas since January 1993, last reporting in July 2026. The leases carry 38 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Midland, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jan 12, 2026
- Permits on file
- 177
- Phone
- (432) 682-0363
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Williams Oil Company |
| Production reports | Williams Oil Companythrough Apr 2026 |
| Latest permit | Williams Oil CompanyNov 14, 1997 |
- 6,450
- total depth, ft
- 2
- permits on file
- Nov 14, 1997
- last permit issued
- Nov 20, 1997
- completed
- 540K
- cumulative oil, bbl
- 1.9M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 20, 1997
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 4 leases this well is completed on; they carry 38 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| McKnight, M. B. O-10-11496 | Armer (Tubb) | Williams Oil Company | 4 | 22.4K | 56.8K | Jan 1993 – Jul 2026 |
| McKnight, M. B. O-10-33498 | Armer (6350) | Williams Oil Company | 17 | 327K | 1.19M | Jan 1993 – Jul 2026 |
| McKnight, M. B. O-10-33844 | Armer (Clear Fork) | Williams Oil Company | 5 | 188K | 607K | Apr 1993 – Jul 2026 |
| McKnight, M. B. O-10-8696 | Armer (6350) | Devon Energy Production Co, L.P. | 12 | 2.63K | 43.4K | Jan 1993 – Jun 2003 |
Oil, barrels lease total
Last 12 months 8,171 · prior 12 8,047(+2%)
Gas, mcf lease total
Last 12 months 22,217 · prior 12 26,906(-17%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Williams Oil CompanyJan 1993 → Apr 2026
- 2Pennzoil Petroleum CompanyMay 1993 → Jan 1995
- 3Pennzoil Exploration & Prod. Co.Feb 1995 → Apr 1997
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 469816-99 | Recompletion | Williams Oil Company | Nov 7, 1997 | Nov 14, 1997 | Oct 27, 1997 | 6,450 |
| 409855-99 | Recompletion | Williams Oil Company | Mar 15, 1993 | Mar 18, 1993 | Mar 29, 1993 | 6,450 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Nov 20, 1997 | McKnight M. B. O-10-33844 | Armer (Clear Fork) | Williams Oil Company | Producing | 6,450 |
| Apr 8, 1993 | McKnight M. B. O-10-11496 | Armer (Tubb) | Williams Oil Company | Not on Schedule | — |
| — | McKnight M. B. O-10-33498 | Armer (6350) | Williams Oil Company | Not on Schedule | — |
| — | McKnight M. B. O-10-8696 | Armer (6350) | Devon Energy Production Co L.P. | Not on Schedule | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,728 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Glorieta | 4,220 | -1,492 |
| Clear ForkCLEARFORK | 4,393 | -1,665 |
| Clkfk | 4,393 | -1,665 |
| Tubb | 4,778 | -2,050 |
| San Angelo | 5,030 | -2,302 |
| Wichita-AlbanyWICHITA ALBANY | 5,304 | -2,576 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,393 | 4,397 | Perforated |
| 4,445 | 4,453 | Perforated |
| 4,464 | 4,468 | Perforated |
| 4,903 | 4,913 | Perforated |
| — | 6,250 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 583 | 12.25 | 500 S |
| 5.5 | 6,450 | 8.75 | 2,500 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 | Feb 4, 1998 | Dec 9, 1997 | Yes |
| 00 | Jan 20, 1998 | May 6, 1993 | Yes |
| 00 | Jun 9, 1993 | May 6, 1993 | Yes |
| 00 | May 21, 1993 | — | — |
| 00 | Jun 29, 1992 | — | — |
| 00 | Jan 12, 1984 | — | — |
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 42-103-00009 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-103-00009 → 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/10300009, documented in the API reference.