42-103-35544

Final Completion

MCKNIGHT, M.B.

CRANE County · District 8 · DEVON ENERGY PRODUCTION CO, L.P.

Permits

Max Depth

6,500 ft

First Permit

2008-04-03

Latest Activity

2012-03-24

Lifespan

4 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

PENNZOIL PETROLEUM COMPANY 1993-1995→ PENNZOIL EXPLORATION & PROD. CO. 1995-1999→ PENNZENERGY EXP. & PROD., L.L.C. 1999-2000→ DEVON ENERGY PRODUCTION CO, L.P. 2000-2018→ STRONGHOLD ENERGY II OPER, LLC 2019-2022→ RING ENERGY, INC. 2022-2026

Lease Production

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

Formation Tops (5) Elevation 2,677 ft

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
HOLT	3,893 ft	-1,216 ft
TUBB	4,410 ft	-1,733 ft
WICHITA-ALBANY	4,965 ft	-2,288 ft
WOLFCAMP	5,561 ft	-2,884 ft
WOLFCAMP	55,616 ft	-52,939 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 (5)

Interval	Type
3,893–4,042 ft	Perforated
4,462–4,625 ft	Perforated
4,462–4,820 ft	Perforated
5,027–5,321 ft	Perforated
5,583–5,946 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	580 ft	210 sx
5.5"	6,270 ft	1,040 sx

Permit History (3)

#736033 Recompletion Final Completion

MCKNIGHT, M.B. · 6,270 ft

2012-03-24

Spud 2012-06-07

#690139 Recompletion

MCKNIGHT, M. B. · 6,270 ft

2010-01-25

#656062 Drill Final Completion

MCKNIGHT, M. B. · 6,500 ft

2008-04-03

Spud 2008-05-02

Applications (3)

#736033 A DEVON ENERGY PRODUCTION CO, L.P.

received 2012-03-13

#690139 A DEVON ENERGY PRODUCTION CO, L.P.

received 2010-01-22

#656062 A DEVON ENERGY PRODUCTION CO, L.P.

received 2008-02-26

Records & Logs

3 completion filings on record · 1 with log images at RRC.

W-2/G-1 2013-07-17

W-2/G-1 2008-08-18 log on file

W-2/G-1 2008-11-13

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: 231
Max Depth: 6,500 ft
Drill Type: Vertical
County: CRANE
District: 8
Operator: DEVON ENERGY PRODUCTION CO, L.P.

Operator

Name: PENNZENERGY EXP. & PROD., L.L.C
Location: OKLAHOMA CI, TY
P-5 Status: Active (filed 2025-12-18)
Cum Oil (all leases): 365,943,944 bbl
Cum Gas (all leases): 9,274,880,220 mcf
Activities: CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits: 9,259