42-165-34357

SAM L. SPARKS

GAINES County · District 8 · SEABOARD OPERATING CO.

Permits

Max Depth

7,500 ft

First Permit

1991-05-10

Latest Activity

2020-10-13

Lifespan

29 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2024-06

Operator History

Chain of Custody

SEABOARD OIL COMPANY 1993-2002→ SEABOARD OPERATING CO. 2002-2020

Lease Production

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

Oil

production & DCA →

Formation Tops (3) Elevation 3,431 ft (KB)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
SAN ANDRES	4,616 ft	-1,185 ft
GLORIETA	6,031 ft	-2,600 ft
CLEARFORK (Clear Fork)	6,367 ft	-2,936 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 8 wells with tops)

What nearby completed wells reported.

Cross-section

✓ 42-165-38850 NORTH RILEY UNIT · SABINAL ENERGY OPERATING, LLC

0.6 mi

Yates 2,948'Seven Rivers 3,197'Queen 3,775'San Andres 4,486'Glorieta 5,941'Clear Fork 6,338'Spraberry —San Angelo —Wichita-Albany —Leonard —

✓ 42-165-35574 WHITE BUFFALO · SEABOARD OPERATING CO.

0.9 mi

Clear Fork 6,310'Clear Fork 6,670'Tubb 6,876'Clear Fork 6,985'FACIES CHANGE 7,214'

✓ 42-165-38856 RUIDOSA 365 · SABINAL ENERGY OPERATING, LLC

0.9 mi

Yates 2,985'Seven Rivers 3,228'Queen 3,799'San Andres 4,493'Glorieta 6,098'Clear Fork 6,417'San Angelo —Leonard —Spraberry —Wichita-Albany —

✓ 42-165-38832 ROBERTSON N. CLEARFORK LO. UNIT · SEABOARD OPERATING CO.

1.2 mi

Yates 2,930'Seven Rivers 3,110'Queen 3,450'San Andres 4,590'Glorieta 5,970'Clear Fork 6,354'Wichita-Albany 7,450'San Angelo —Spraberry —Leonard —

✓ 42-165-38883 ROBERTSON N. CLEARFORK LO. UNIT · SEABOARD OPERATING CO.

1.3 mi

Yates 2,930'Seven Rivers 3,110'Queen 3,450'San Andres 4,590'Glorieta 5,970'Clear Fork 6,354'Wichita-Albany —Spraberry —San Angelo —Leonard —

✓ 42-165-38881 NORTH RILEY UNIT · SABINAL ENERGY OPERATING, LLC

1.4 mi

Yates 2,951'Seven Rivers 3,198'Queen 3,771'San Andres 4,495'Glorieta 5,935'Clear Fork 6,368'Leonard —Spraberry —San Angelo —Wichita-Albany —

✓ 42-165-33647 NORTH RILEY UNIT · UNION OIL COMPANY OF CALIFORNIA

1.4 mi

Yates 2,956'Seven Rivers 3,194'Queen 3,760'San Andres 4,488'Glorieta 5,938'Glorieta 5,939'Clear Fork 6,369'Clear Fork 6,394'Tubb 7,074'Tubb 7,176'Clear Fork 7,288'

✓ 42-165-38710 ROBERTSON N. CLEARFORK LO. UNIT · SEABOARD OPERATING CO.

1.6 mi

Glorieta 5,938'Clear Fork 6,333'Wichita-Albany —Leonard —Yates —Spraberry —San Angelo —San Andres —Seven Rivers —Queen —

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
6,343–7,203 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	1,740 ft	800 sx
5.5"	7,353 ft	1,800 sx

Permit History (2)

#865422 Recompletion

SAM L. SPARKS · 7,350 ft

2020-10-13

#387774 Drill Final Completion

SPARKS SAM L. · 7,500 ft

1991-05-10

Spud 1991-06-12

Applications (2)

#865422 A SEABOARD OPERATING CO.

received 2020-10-06

#387774 A MIDAMERICA RESOURCES, INC.

received 1991-05-10

Records & Logs

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

W-2/G-1 1991-09-12 log on file

W-2/G-1 1991-09-23

Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.

Google Maps → Explorer Map →

Lat 32.672613

Lon -102.848125

Well Details

Well Number: 1
Max Depth: 7,500 ft
Drill Type: Vertical
County: GAINES
District: 8
Operator: SEABOARD OPERATING CO.

Operator

Name: SEABOARD OPER CO
Location: MIDLAND
P-5 Status: X (filed 2026-06-09)
Cum Oil (all leases): 7,554,990 bbl
Cum Gas (all leases): 109,503 mcf
Activities: OPRS/O
Total Permits: 188