42-435-34633

PRODUCING

MAYFIELD 34

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

Permits

1

Max Depth

8,575 ft

First Permit

1996-10-08

Latest Activity

1996-10-08

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1998-05-07

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

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

Resolved via: schedulingUPP OPERATING LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1998-05

Last Production

2026-07

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (4) Elevation 2,200 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
BASE CRETACEOUS (Base Cretaceous (marker))707 ft+1,493 ft
WOLFCAMP 3,499 ft-1,299 ft
CANYON 6,311 ft-4,111 ft
STRAWN 7,804 ft-5,604 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
6,338–7,226 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"2,196 ft592 sx
4.5"8,290 ft575 sx

Permit History (1)

Applications (1)

#453598 A DREYFUS, LOUIS NATURAL GAS CORP
received 1996-10-08

Records & Logs

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

W-2/G-1 1998-07-03 log on file
W-2/G-1 1998-08-31

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
9
Max Depth
8,575 ft
Drill Type
Vertical
County
SUTTON
District
7
Completed
1998-05-07

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