42-103-35121

Final Completion

MCKNIGHT M. B. 21

CRANE County · District 8 · WILLIAMS OIL COMPANY · ARMER (WICHITA-ALBANY)

Permits

Max Depth

6,437 ft

First Permit

2005-05-19

Latest Activity

2005-12-20

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2005-07-21

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2005-07

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 (7) Elevation 2,704 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
JUDKINS	3,220 ft	-516 ft
GLORIETA	4,010 ft	-1,306 ft
CLEAR FORK	4,140 ft	-1,436 ft
CLEARFORK (Clear Fork)	4,140 ft	-1,436 ft
TUBB	4,590 ft	-1,886 ft
WICHITA (Wichita-Albany)	5,120 ft	-2,416 ft
WOLFCAMP	5,955 ft	-3,251 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 (4)

Interval	Type
4,719–4,733 ft	Perforated
5,434–5,444 ft	Perforated
5,446–5,456 ft	Perforated
5,473–5,483 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	670 ft	250 sx
4.5"	6,435 ft	745 sx

Permit History (2)

#611164 Recompletion Final Completion

MCKNIGHT, M. B. 21 · 6,437 ft

2005-12-20

#600815 Drill Final Completion

MCKNIGHT, M. B. 21 · 6,400 ft

2005-05-19

Spud 2005-06-16

Applications (2)

#611164 A WILLIAMS OIL COMPANY

received 2005-12-16

#600815 A WILLIAMS OIL COMPANY

received 2005-05-17

Records & Logs

4 completion filings on record · 3 with log images at RRC.

W-2/G-1 2006-01-13 log on file

W-2/G-1 2005-08-09 log on file

W-2/G-1 2005-09-26

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: 6,437 ft
Drill Type: Vertical
County: CRANE
District: 8
Operator: WILLIAMS OIL COMPANY
Completed: 2005-07-21

Operator

Name: WILLIAMS OIL CO
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