WELL · 42-103-35715 · DISTRICT 8

McKnight M. B. #129

Y

Crane County · Armer (6350) field · Producing  · Vertical

Mcknight M. B. #129 (API 42-103-35715) is a well in Crane County operated by Williams Oil Company, completed July 31, 2014 and listed as producing on the RRC schedule.

The RRC has issued 2 drilling permits between 2010 and 2015, permitted to 6,500 ft.

Completion filings report 15 formation tops, including Rustler, Yates, Seven Rivers, Queen.

Its lease has reported 327K barrels of oil and 1.19M mcf of gas since January 1993, last reporting in July 2026. The lease carries 17 wells, so these are lease totals, not this well alone.

Operator of record

Williams Oil Company

Midland, TX · P-5 Y, filed Oct 4, 2025 · 177 permits on file · (432) 967-1359

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleWilliams Oil Company
Production reportsWilliams Oil Companythrough Apr 2026
Latest permitWilliams Oil CompanySep 1, 2015
6,500
total depth, ft
2
permits on file
Sep 1, 2015
last permit issued
Jul 31, 2014
completed
327K
cumulative oil, bbl
1.19M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jul 31, 2014
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

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 17 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
McKnight, M. B. O-10-33498Armer (6350)Williams Oil Company17327K1.19MJan 1993 – Jul 2026

Oil, barrels lease total

Last 12 months 5,567 · prior 12 5,885(-5%)

05001K202420252026

Gas, mcf lease total

Last 12 months 15,608 · prior 12 18,301(-15%)

01K2K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Williams Oil CompanyJan 1993 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
809584-99RecompletionWilliams Oil CompanyAug 18, 2015Sep 1, 2015Jul 14, 20146,500
692811-99DrillWilliams Oil CompanyMar 12, 2010Mar 19, 2010Mar 25, 20106,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-33498————

Formation tops

As filed on W-2/G-1. Subsea from 2,710 ft elevation.Download CSV →

FormationMD ftSubsea
Rustler5652,145
Yates1,855855
Seven Rivers2,250460
Queen2,420290
GrayburgGRAYBURG - ACTIVE CO2 FLOOD2,850-140
Judkins3,220-510
San AndresSAN ANDRES - USABLE QUALITY WATE3,227-517
San Angelo3,904-1,194
Glorieta4,206-1,496
Clear Fork4,460-1,750
Clear ForkCLEARFORK4,460-1,750
Tubb4,701-1,991
Wichita-AlbanyWICHITA ALBANY5,216-2,506
Wolfcamp5,996-3,286
6350 Zone6,320-3,610
Permian (undifferentiated)PERMIAN GENERAL——

Perforations

Perforated and open-hole intervals.

FromToType
4,8204,866Perforated
6,2126,284Perforated
6,2126,284Open hole

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62567611300 S
5.56,4277.8751,350 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Sep 1, 2015May 12, 2015—
00Jan 31, 2011Jun 9, 2010Yes

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.

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/10335715, documented in the API reference.