← Wells

42-435-35685

FIELDS 21

SUTTON County · District 7 · UPP OPERATING, LLC

Permits

2

Max Depth

6,200 ft

First Permit

2001-11-14

Latest Activity

2025-09-30

Lifespan

24 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2002-01

Last Production

2026-07

Operator History

Chain of Custody

DOMINION OKLAHOMA TEXAS E&P, INC 2002-2007→ HIGHMOUNT EXPL & PROD TEXAS LLC 2008-2014→ ENERVEST OPERATING, L.L.C. 2014-2019→ UPP OPERATING, LLC 2019-2025

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 (3) Elevation 2,160 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
BASE CRETACEOUS (Base Cretaceous (marker))750 ft+1,410 ft
WOLFCAMP 2,650 ft-490 ft
CANYON 5,170 ft-3,010 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 ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
✓ 42-435-37601 FIELDS 15 · UPP OPERATING, LLC
1.8 mi
Base Cretaceous (marker) 792'Wolfcamp 2,640'Canyon 5,009'
✓ 42-435-39161 SHURLEY · UPP OPERATING, LLC
2.2 mi
Base Cretaceous (marker) 858'Wolfcamp 2,747'Canyon 5,187'
✓ 42-435-35618 FIELDS 14 · UPP OPERATING, LLC
2.3 mi
Base Cretaceous (marker) 820'Wolfcamp 2,550'Canyon 4,856'
✓ 42-435-35710 DUNBAR, NED · UPP OPERATING, LLC
6.0 mi
Base Cretaceous (marker) 860'SAWYER (LEONARD) 1,733'Wolfcamp 2,310'Canyon 4,750'
✓ 42-435-37823 DAVIS F · UPP OPERATING, LLC
6.4 mi
Base Cretaceous (marker) 817'Wolfcamp 2,955'Canyon 5,378'
✓ 42-435-36343 DAVIS 'A' · UPP OPERATING, LLC
7.5 mi
Base Cretaceous (marker) 680'Wolfcamp 2,966'Canyon 5,276'
✓ 42-435-37977 STEEN · UPP OPERATING, LLC
8.4 mi
Base Cretaceous (marker) 768'Wolfcamp 2,949'Canyon 5,345'
✓ 42-435-36225 DEBERRY A · UPP OPERATING, LLC
9.0 mi
Base Cretaceous (marker) 815'Base Cretaceous (marker) 815'CRETACEOUS 815'Leonard 1,050'SAWYER (LEOONARD) 1,656'SAWYER (LEONARD) 1,656'Wolfcamp 3,300'Wolfcamp 3,400'Canyon 5,400'Canyon 5,777'Strawn —Pennsylvanian —

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (1)

IntervalType
5,246–5,800 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"1,171 ft275 sx
4.5"5,953 ft365 sx

Permit History (2)

#910761 Recompletion

FIELDS 21 · 6,021 ft

2025-09-30

#515341 Drill Y

FIELDS 21 · 6,200 ft

2001-11-14

Spud 2001-12-16

Applications (2)

#910761 A UPP OPERATING, LLC
received 2025-09-26
#515341 A DREYFUS, LOUIS NATURAL GAS CORP
received 2001-11-14

Records & Logs

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

W-2/G-1 2002-03-28 log on file
W-2/G-1 2002-05-08
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.

Google Maps → Explorer Map →
Lat 30.523578
Lon -100.611104

Well Details

Well Number
13
Max Depth
6,200 ft
Drill Type
Vertical
County
SUTTON
District
7
Operator
UPP OPERATING, LLC

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