← Wells

42-435-33432

PRODUCING

MORRISS BROTHERS RANCH K

SUTTON County · District 7 · UPP OPERATING LLC · WHITEHEAD (STRAWN)

Permits

1

Max Depth

9,500 ft

First Permit

1988-08-25

Latest Activity

1988-08-25

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1988-10-12

Shut-In

—

Plugged

—

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: UPP OPERATING LLC ≠ Permit: SONORA SOUTHWEST PARTNERSHIP

Resolved via: scheduling → UPP OPERATING LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

GRAHAM ROYALTY, LTD. 1993-1993→ DREYFUS, LOUIS NATURAL GAS CORP 1993-2001→ DOMINION OKLAHOMA TEXAS E&P, INC 2001-2007→ HIGHMOUNT EXPL & PROD TEXAS LLC 2008-2014→ ENERVEST OPERATING, L.L.C. 2014-2019→ UPP OPERATING, LLC 2019-2026

Lease Production

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

Gas
production & DCA →

Formation Tops (4) Elevation 2,038 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP CANYON SAND SECTION (Canyon)6,474 ft-4,436 ft
BASE CANYON SAND SECTION (Canyon)7,190 ft-5,152 ft
TOP LOWER STRAY CANYON SAND8,464 ft-6,426 ft
TOP STRAWN (Strawn)8,622 ft-6,584 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 (1)

IntervalType
8,467–8,858 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"1,314 ft555 sx
4.5"9,171 ft285 sx

Permit History (1)

#350461 Drill Final Completion

MORRISS BROTHERS RANCH "K" · 9,500 ft

1988-08-25

Applications (1)

#350461 A SONORA SOUTHWEST PARTNERSHIP
received 1988-08-24

Records & Logs

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

W-2/G-1 1988-11-02 log on file
W-2/G-1 1988-11-10
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images 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 SUTTON County.

Well Details

Well Number
126
Max Depth
9,500 ft
Drill Type
Vertical
County
SUTTON
District
7
Operator
UPP OPERATING LLC
Completed
1988-10-12

Operator

Location
HOUSTON
P-5 Status
Active (filed 2026-03-06)
Cum Oil (all leases)
293,241 bbl
Cum Gas (all leases)
486,804,996 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
Total Permits
33