42-435-34680

PRODUCING

MAYER RANCH JJJ

SUTTON County · District 7 · UPP OPERATING LLC · SAWYER (CANYON)

Permits

Max Depth

8,250 ft

First Permit

1997-02-05

Latest Activity

2000-05-09

Lifespan

3 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2000-08-05

Shut-In

—

Plugged

—

P-5 Org Status: Active

EWA / Permit operator mismatch

Scheduling: UPP OPERATING LLC ≠ Permit: DREYFUS, LOUIS NATURAL GAS CORP

Resolved via: production → UPP OPERATING, LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1997-04

Last Production

2026-07

Operator History

Chain of Custody

DREYFUS, LOUIS NATURAL GAS CORP 1997-2001→ 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.

Formation Tops (5) Elevation 2,376 ft

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
BASE CRETACEOUS (Base Cretaceous (marker))	838 ft	+1,538 ft
WLFCMP	3,785 ft	-1,409 ft
WOLFCAMP	3,785 ft	-1,409 ft
CANYON	6,364 ft	-3,988 ft
STRAWN	7,460 ft	-5,084 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 (2)

Interval	Type
6,368–6,834 ft	Perforated
7,576–7,642 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	1,210 ft	325 sx
4.5"	8,125 ft	800 sx

Permit History (2)

#494878 Recompletion Y

MAYER RANCH "JJJ" · 8,250 ft

2000-05-09

Spud 2000-07-14

#458228 Drill Y

MAYER RANCH "JJJ" · 8,250 ft

1997-02-05

Spud 1997-03-25

Applications (2)

#494878 A DREYFUS, LOUIS NATURAL GAS CORP

received 2000-05-09

#458228 A DREYFUS, LOUIS NATURAL GAS CORP

received 1997-02-05

Records & Logs

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

W-2/G-1 2000-10-04

W-2/G-1 2000-10-17

W-2/G-1 1997-06-09 log on file

W-2/G-1 1997-10-22

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: 1402
Max Depth: 8,250 ft
Drill Type: Vertical
County: SUTTON
District: 7
Operator: UPP OPERATING LLC
Completed: 2000-08-05

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