42-435-32096

Final Completion

MAYER EDWIN S. JR. D

SUTTON County · District 7 · GRAHAM ROYALTY LTD. · WHITEHEAD (STRAWN)

Permits

Max Depth

8,600 ft

First Permit

1978-08-09

Latest Activity

1989-08-03

Lifespan

11 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1978-11-06

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: GRAHAM ROYALTY LTD. ≠ Production: UPP OPERATING, LLC (reported 2026-04)

Resolved via: production → UPP OPERATING, LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

GRAHAM ROYALTY, LTD. 1993-1993→ DREYFUS, LOUIS NATURAL GAS CORP 1993-2001→ 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 (2) Elevation 2,200 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
CANYON	6,482 ft	-4,282 ft
STRAWN	7,750 ft	-5,550 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
6,483–7,045 ft	Perforated
7,753–7,958 ft	Perforated

Casing (4)

Size	Set Depth	Cement
11.75"	141 ft	750 sx
8.625"	894 ft	500 sx
2.375"	7,888 ft	—
4.5"	8,042 ft	925 sx

Permit History (2)

#361668 Recompletion Final Completion

MAYER, EDWIN S. JR. "D" · 8,350 ft

1989-08-03

#30319 Drill

MAYER, EDWIN S. JR. -D- · 8,600 ft

1978-08-09

Spud 1978-08-18

Applications (2)

#361668 A GRAHAM ROYALTY, LTD.

received 1989-07-18

#30319 A AMOCO PRODUCTION COMPANY

received 1978-08-09

Records & Logs

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

W-2/G-1 1989-07-17 log on file

W-2/G-1 1989-08-16

W-2/G-1 1978-11-16

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: 12
Max Depth: 8,600 ft
Drill Type: Vertical
County: SUTTON
District: 7
Operator: GRAHAM ROYALTY LTD.
Completed: 1978-11-06

Operator

Name: GRAHAM ROYALTY, LTD
Location: COVINGTON
P-5 Status: Inactive (filed 1993-08-03)
Cum Oil (all leases): 1,748,546 bbl
Cum Gas (all leases): 20,494,499 mcf
Total Permits: 227