42-103-35047

PRODUCING

MCKNIGHT M. B. 21A

CRANE County · District 8 · WILLIAMS OIL COMPANY · ARMER (TUBB)

Permits

3

Max Depth

6,413 ft

First Permit

2004-11-29

Latest Activity

2005-07-15

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2005-07-15

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2005-01

Last Production

2026-07

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (8) Elevation 2,716 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
JUDKINS3,218 ft-502 ft
GLORIETA 4,020 ft-1,304 ft
CLEAR FORK 4,163 ft-1,447 ft
CLEARFORK (Clear Fork)4,163 ft-1,447 ft
TUBB 4,600 ft-1,884 ft
WICHITA (Wichita-Albany)5,107 ft-2,391 ft
WOLFCAMP 5,955 ft-3,239 ft
PRE-PERMIAN6,213 ft-3,497 ft

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Perforations (2)

IntervalType
4,709–4,729 ftPerforated
5,372–5,442 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"660 ft200 sx
4.5"6,413 ft850 sx

Permit History (3)

Applications (3)

#603498 A WILLIAMS OIL COMPANY
received 2005-07-14
#554174 A WILLIAMS OIL COMPANY
received 2005-02-16
#554174 A WILLIAMS OIL COMPANY
received 2004-11-29

Records & Logs

4 completion filings on record · 2 with log images at RRC.

W-2/G-1 2005-07-22 log on file
W-2/G-1 2006-03-15
W-2/G-1 2005-02-11 log on file
W-2/G-1 2005-04-13
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in CRANE County.

Well Details

Well Number
1
Max Depth
6,413 ft
Drill Type
Vertical
County
CRANE
District
8
Completed
2005-07-15

Operator

Location
MIDLAND
P-5 Status
Active (filed 2026-01-12)
Cum Oil (all leases)
5,186,384 bbl
Cum Gas (all leases)
10,996,435 mcf
Activities
OPRS/G, OPRS/O
Total Permits
177