← Wells

42-103-32069

Final Completion

MCKNIGHT M. B.

CRANE County · District 8 · CHEVRON U. S. A. INC. · SAND HILLS N. (ELLENBURGER)

Permits

4

Max Depth

6,200 ft

First Permit

1979-06-05

Latest Activity

2005-12-27

Lifespan

27 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1979-10-04

Shut-In

—

Plugged

—

!

EWA / Production operator mismatch

Scheduling: CHEVRON U. S. A. INC. ≠ Production: RING ENERGY, INC. (reported 2026-04)

!

EWA / Permit operator mismatch

Scheduling: CHEVRON U. S. A. 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.

Gas
production & DCA →
Oil
production & DCA →
Oil
production & DCA →
Oil
production & DCA →

Formation Tops (7) Elevation 2,670 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
RUSTLER 424 ft+2,246 ft
YATES 1,615 ft+1,055 ft
MCELROY2,508 ft+162 ft
JUDKINS2,860 ft-190 ft
MCKNIGHT 3,384 ft-714 ft
WOLFCAMP 5,676 ft-3,006 ft
ELLENBURGER 6,021 ft-3,351 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)

IntervalType
4,442–4,594 ftPerforated
5,232–5,418 ftPerforated
5,528–5,750 ftPerforated
5,922–5,970 ftPerforated
6,032–6,040 ftPerforated

Casing (4)

SizeSet DepthCement
8.625"829 ft165 sx
8.625"830 ft565 sx
2.375"6,028 ft—
5.5"6,069 ft1,400 sx

Permit History (4)

#611296 Recompletion Final Completion

MCKNIGHT, M.B. · 6,070 ft

2005-12-27

Spud 2007-06-23

#483957 Recompletion Final Completion

MCKNIGHT, M. B. · 6,070 ft

1999-04-27

Spud 1999-05-17

#335597 Recompletion Final Completion

MCKNIGHT, M. B. · 6,070 ft

1987-10-09

#50847 Drill Final Completion

MCKNIGHT, M. B. · 6,200 ft

1979-06-05

Spud 1979-09-07

Applications (4)

#611296 A DEVON ENERGY PRODUCTION CO, L.P.
received 2005-12-20
#483957 A PENNZENERGY EXP. & PROD., L.L.C.
received 1999-04-19
#335597 A CHEVRON U. S. A. INC.
received 1987-09-08
#50847 A GULF OIL CORP.
received 1979-06-05

Records & Logs

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

W-2/G-1 2008-03-27 log on file
W-2/G-1 1987-12-11 log on file
W-2/G-1 1999-07-26
W-2/G-1 1999-06-21 log on file
W-2/G-1 1999-09-09
W-2/G-1 1999-08-31

+3 more filings

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
121
Max Depth
6,200 ft
Drill Type
Vertical
County
CRANE
District
8
Operator
CHEVRON U. S. A. INC.
Completed
1979-10-04

Operator

Location
MIDLAND
P-5 Status
Active (filed 2026-01-30)
Cum Oil (all leases)
633,048,621 bbl
Cum Gas (all leases)
4,264,158,043 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
9,272