← Wells

42-435-33405

PRODUCING

MARTIN

SUTTON County · District 7 · UPP OPERATING LLC · SONORA (CANYON UPPER)

Permits

1

Max Depth

6,400 ft

First Permit

1987-11-24

Latest Activity

1987-11-24

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1988-10-10

Shut-In

—

Plugged

—

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: UPP OPERATING LLC ≠ Permit: MERIDIAN OIL INC.

Resolved via: production → UPP OPERATING, LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

MERIDIAN OIL INC. 1993-1996→ BURLINGTON RESOURCES OIL&GAS CO. 1996-1997→ GRUY PETROLEUM MANAGEMENT CO. 1997-2000→ DREYFUS, LOUIS NATURAL GAS CORP 2000-2001→ 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 (2) Elevation 2,238 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP UPPER CANYON (Canyon)5,200 ft-2,962 ft
BASE UPPER CANYON (Canyon)5,920 ft-3,682 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
5,313–5,722 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"1,500 ft730 sx
4.5"6,400 ft550 sx

Permit History (1)

#339339 Drill Final Completion

STEEN · 6,400 ft

1987-11-24

Applications (1)

#339339 A MERIDIAN OIL INC.
received 1987-11-24

Records & Logs

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

W-2/G-1 1988-10-24 log on file
W-2/G-1 1988-11-01
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
23
Max Depth
6,400 ft
Drill Type
Vertical
County
SUTTON
District
7
Operator
UPP OPERATING LLC
Completed
1988-10-10

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