42-435-38649

ESPY 56

SUTTON County · District 7 · UPP OPERATING, LLC

Permits

Max Depth

6,350 ft

First Permit

2007-08-13

Latest Activity

2025-10-07

Lifespan

18 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2007-10

Last Production

2026-07

Operator History

Chain of Custody

HIGHMOUNT EXPL & PROD TEXAS LLC 2007-2014→ ENERVEST OPERATING, L.L.C. 2015-2019→ 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 2,204 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
BASE CRETACEOUS (Base Cretaceous (marker))	887 ft	+1,317 ft
WOLFCAMP	1,959 ft	+245 ft
CANYON	4,400 ft	-2,196 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

✓ 42-435-35710 DUNBAR, NED · UPP OPERATING, LLC

3.3 mi

Base Cretaceous (marker) 860'SAWYER (LEONARD) 1,733'Wolfcamp 2,310'Canyon 4,750'

✓ 42-435-34899 PFLUGER 104 · UPP OPERATING, LLC

6.4 mi

Base Cretaceous (marker) 940'Wolfcamp 1,553'Canyon 3,760'

✓ 42-435-34784 PFLUGER 104 · UPP OPERATING, LLC

6.8 mi

Base Cretaceous (marker) 932'WLFCMP 1,575'Canyon 3,738'

✓ 42-435-35035 PFLUGER 105 · UPP OPERATING, LLC

6.8 mi

Base Cretaceous (marker) 930'Wolfcamp 1,450'Canyon 3,760'

✓ 42-435-37601 FIELDS 15 · UPP OPERATING, LLC

7.7 mi

Base Cretaceous (marker) 792'Wolfcamp 2,640'Canyon 5,009'

✓ 42-435-39161 SHURLEY · UPP OPERATING, LLC

7.7 mi

Base Cretaceous (marker) 858'Wolfcamp 2,747'Canyon 5,187'

✓ 42-435-34958 PFLUGER 84 · UPP OPERATING, LLC

8.2 mi

Base Cretaceous (marker) 995'Canyon 3,625'Wolfcamp 14,780'

✓ 42-435-35618 FIELDS 14 · UPP OPERATING, LLC

8.5 mi

Base Cretaceous (marker) 820'Wolfcamp 2,550'Canyon 4,856'

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)

Interval	Type
4,766–5,864 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	1,131 ft	388 sx
4.5"	6,040 ft	620 sx

Permit History (2)

#910930 Recompletion

ESPY 56 · 6,100 ft

2025-10-07

#644084 Drill Y

ESPY 56 · 6,350 ft

2007-08-13

Spud 2007-10-01

Applications (2)

#910930 A UPP OPERATING, LLC

received 2025-10-06

#644084 A DOMINION OKLAHOMA TEXAS E&P, INC

received 2007-08-08

Records & Logs

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

W-2/G-1 2008-01-31 log on file

W-2/G-1 2008-08-02

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 30.392204

Lon -100.592576

Well Details

Well Number: 16
Max Depth: 6,350 ft
Drill Type: Vertical
County: SUTTON
District: 7
Operator: UPP OPERATING, LLC

Operator

Name: UPP OPER, LLC
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