42-103-00021

Y

MCKNIGHT M. B.

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

Permits

4

Max Depth

6,929 ft

First Permit

1983-06-16

Latest Activity

2009-10-13

Lifespan

26 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1991-10-19

Shut-In

Plugged

!

EWA / Permit operator mismatch

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

Resolved via: productionRING ENERGY, INC.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

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 2,677 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
RUSTLER 467 ft+2,210 ft
YATES 1,690 ft+987 ft
MCELROY2,563 ft+114 ft
JUDKINS2,928 ft-251 ft
HOLT 3,964 ft-1,287 ft
CLEARFORK (Clear Fork)4,151 ft-1,474 ft
TUBB 4,564 ft-1,887 ft
WOLFCAMP 5,616 ft-2,939 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 (7)

IntervalType
3,964–4,138 ftPerforated
3,964–4,168 ftPerforated
4,564–4,715 ftPerforated
4,564–4,717 ftPerforated
5,058–5,136 ftPerforated
5,616–6,118 ftPerforated
6,238–6,248 ftPerforated

Casing (7)

SizeSet DepthCement
9.625"583 ft450 sx
9.625"583 ft
2.375"6,199 ft
2"6,227 ft
5.5"6,249 ft1,200 sx
5.5"6,249 ft1,200 sx
5.5"6,249 ft

Permit History (4)

Applications (4)

#686082 A DEVON ENERGY PRODUCTION CO, L.P.
received 2009-10-13
#643767 A DEVON ENERGY PRODUCTION CO, L.P.
received 2007-08-02
#392311 A CHEVRON U. S. A. INC.
received 1991-09-27
#199586 A GULF OIL CORP.
received 1983-06-16

Records & Logs

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

W-2/G-1 2009-12-30
W-2/G-1 2008-02-11 log on file
W-2/G-1 2008-03-26
W-2/G-1 1991-12-27 log on file
W-2/G-1 1983-08-04
W-2/G-1 1983-08-04

+1 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
52
Max Depth
6,929 ft
Drill Type
Vertical
County
CRANE
District
8
Completed
1991-10-19

Operator

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