42-435-34784

PFLUGER 104

SUTTON County · District 7 · UPP OPERATING, LLC

Permits

Max Depth

5,600 ft

First Permit

1998-01-21

Latest Activity

2025-10-14

Lifespan

28 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1998-03

Last Production

2026-07

Operator History

Chain of Custody

DREYFUS, LOUIS NATURAL GAS CORP 1998-2001→ 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 (3) Elevation 2,286 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
BASE CRETACEOUS (Base Cretaceous (marker))	932 ft	+1,354 ft
WLFCMP	1,575 ft	+711 ft
CANYON	3,738 ft	-1,452 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 7 wells with tops)

What nearby completed wells reported.

Cross-section

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

0.6 mi

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

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

0.8 mi

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

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

1.6 mi

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

✓ 42-435-39115 CANYON RANCH 114 · UPP OPERATING, LLC

4.6 mi

Canyon 3,548'Strawn 6,713'

✓ 42-435-34818 CANYON RANCH · ENERVEST OPERATING, L.L.C.

5.2 mi

CRETACEOUS BASE 1,358'Canyon 3,398'Canyon 3,398'Pennsylvanian 6,480'Pennsylvanian 6,480'Ellenburger 6,693'KELLY (ELLENBURGER) 6,713'

✓ 42-435-38649 ESPY 56 · UPP OPERATING, LLC

6.8 mi

Base Cretaceous (marker) 887'Wolfcamp 1,959'Canyon 4,400'

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

9.2 mi

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

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
5,155–5,205 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	1,241 ft	280 sx
4.5"	5,579 ft	575 sx

Permit History (2)

#910917 Recompletion

PFLUGER 104 · 5,600 ft

2025-10-14

#472463 Drill Final Completion

PFLUGER 104 · 5,600 ft

1998-01-21

Spud 1998-02-14

Applications (2)

#910917 A UPP OPERATING, LLC

received 2025-10-03

#472463 A DREYFUS, LOUIS NATURAL GAS CORP

received 1998-01-21

Records & Logs

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

W-2/G-1 1998-05-01 log on file

W-2/G-1 1998-06-03

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 30.360556

Lon -100.485000

Well Details

Well Number: 14
Max Depth: 5,600 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