42-103-33373

Final Completion

MCKNIGHT M. B.

CRANE County · District 8 · RING ENERGY INC. · SAND HILLS (MCKNIGHT)

Permits

Max Depth

3,925 ft

First Permit

1984-01-16

Latest Activity

2004-09-20

Lifespan

21 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1984-02-02

Shut-In

—

Plugged

—

EWA / Permit operator mismatch

Scheduling: RING ENERGY INC. ≠ Permit: DEVON ENERGY PRODUCTION CO, L.P.

Resolved via: production → RING ENERGY, INC.

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 (6) Elevation 2,699 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
RUSTLER	509 ft	+2,190 ft
YATES	1,705 ft	+994 ft
MCELROY	2,604 ft	+95 ft
GRAYBURG	2,750 ft	-51 ft
SAN ANDRES	2,971 ft	-272 ft
MCKNIGHT	3,490 ft	-791 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
3,137–3,230 ft	Perforated
3,267–3,396 ft	Perforated
3,526–3,529 ft	Perforated
3,533–3,543 ft	Perforated

Casing (4)

Size	Set Depth	Cement
8.875"	624 ft	250 sx
8.625"	684 ft	325 sx
5.5"	3,634 ft	775 sx
5.5"	3,734 ft	775 sx

Permit History (2)

#551145 Recompletion Final Completion

MCKNIGHT, M.B. · 3,735 ft

2004-09-20

Spud 2005-03-04

#226594 Drill Final Completion

MCKNIGHT, M. B. · 3,925 ft

1984-01-16

Applications (2)

#551145 A DEVON ENERGY PRODUCTION CO, L.P.

received 2004-09-17

#226594 A GULF OIL CORP.

received 1984-01-13

Records & Logs

4 completion filings on record.

W-2/G-1 2007-01-26

W-2/G-1 2007-02-23

W-2/G-1 1984-03-12

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: 159
Max Depth: 3,925 ft
Drill Type: Vertical
County: CRANE
District: 8
Operator: RING ENERGY INC.
Completed: 1984-02-02

Operator

Name: RING ENGY, INC
Location: MIDLAND
P-5 Status: Active (filed 2026-02-09)
Cum Oil (all leases): 43,768,563 bbl
Cum Gas (all leases): 443,516 mcf
Activities: GTHS/O, OPRS/G, OPRS/O
Total Permits: 990