42-479-33536

Final Completion

LUNDELL RANCH

WEBB County · District 4 · GRAHAM ROYALTY LTD. · GATO CREEK (LOBO 6 SEGMENT A)

Permits

Max Depth

11,674 ft

First Permit

1983-01-11

Latest Activity

1992-05-11

Lifespan

9 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1983-03-07

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: GRAHAM ROYALTY LTD. ≠ Production: HILCORP ENERGY COMPANY (reported 2026-04)

Resolved via: production → HILCORP ENERGY COMPANY

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→ MIDPAR L.P. 1993-1995→ PARKER & PARSLEY DEVELOPMENT L.P 1995-1997→ PIONEER NATURAL RES. USA, INC. 1997-1997→ SHERIDAN ENERGY,INC. 1997-2000→ CALPINE NATURAL GAS COMPANY 2000-2001→ EDGE PETROLEUM OPER. CO., INC. 2002-2010→ APACHE CORPORATION 2010-2014→ URBAN OIL & GAS GROUP, LLC 2014-2024→ HILCORP ENERGY COMPANY 2024-2026

Lease Production

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

Formation Tops (3) Elevation 626 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
QUEEN CITY	3,790 ft	-3,164 ft
WILCOX	6,020 ft	-5,394 ft
TOP OF LOBO	9,982 ft	-9,356 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 (8)

Interval	Type
10,200–10,210 ft	Perforated
10,350–10,357 ft	Perforated
10,513–10,520 ft	Perforated
10,544–10,546 ft	Perforated
10,550–10,554 ft	Perforated
10,792–10,806 ft	Perforated
10,809–10,813 ft	Perforated
11,404–11,431 ft	Perforated

Casing (3)

Size	Set Depth	Cement
10.75"	1,118 ft	710 sx
7.625"	8,630 ft	500 sx
2.875"	10,104 ft	—

Permit History (2)

#398987 Recompletion Final Completion

LUNDELL RANCH · 11,674 ft

1992-05-11

Spud 1992-02-24

#183030 Drill Final Completion

LUNDELL RANCH · 11,000 ft

1983-01-11

Spud 1983-01-12

Applications (2)

#398987 A GRAHAM ROYALTY, LTD.

received 1992-05-05

#183030 A COX, EDWIN L. & COX, BERRY R.

received 1983-01-11

Records & Logs

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

W-2/G-1 2002-10-09

W-2/G-1 1998-06-10

W-2/G-1 1992-06-17

W-2/G-1 1992-05-05 log on file

W-2/G-1 1992-06-10

W-2/G-1 1983-04-20

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 WEBB County.

Well Details

Well Number: 1
Max Depth: 11,674 ft
Drill Type: Vertical
County: WEBB
District: 4
Operator: GRAHAM ROYALTY LTD.
Completed: 1983-03-07

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