42-285-32174

Final Completion Directional

KUBENA GAS UNIT

LAVACA County · District 2 · SULPHUR RIVER EXPLORATION INC. · WORD N. (EDWARDS)

Permits

Max Depth

14,000 ft

First Permit

1992-11-23

Latest Activity

2019-07-03

Lifespan

27 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1993-04-23

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: SULPHUR RIVER EXPLORATION INC. ≠ Production: CAPITAL STAR OIL & GAS, INC. (reported 2026-04)

Resolved via: production → CAPITAL STAR OIL & GAS, INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-04

Last Production

2026-07

Operator History

Chain of Custody

BASS ENTERPRISES PRODUCTION CO. 1993-2006→ BEPCO, L.P. 2007-2008→ BOPCO, L.P. 2008-2016→ SULPHUR RIVER EXPLORATION, INC. 2016-2023→ CAPITAL STAR OIL & GAS, INC. 2023-2026

Lease Production

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

Formation Tops (8) Elevation 210 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
UPPER WILCOX (Wilcox)	5,750 ft	-5,540 ft
UPPER WILCOX (Wilcox)	5,770 ft	-5,560 ft
MIDDLE WILCOX (Wilcox)	7,185 ft	-6,975 ft
MIDDLE WILCOX (Wilcox)	7,280 ft	-7,070 ft
LOWER WILCOX (Wilcox)	9,151 ft	-8,941 ft
LOWER WILCOX (Wilcox)	9,260 ft	-9,050 ft
EDWARDS	13,093 ft	-12,883 ft
EDWARDS	13,205 ft	-12,995 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

✓ 42-285-34211 STEINOCHER · CAPITAL STAR OIL & GAS, INC.

1.1 mi

Catahoula 2,150'Frio 2,410'Vicksburg 2,960'Yegua 5,720'Wilcox 5,940'Edwards —Eagle Ford —

✓ 42-285-32134 HALLETTSVILLE OIL UNIT · MOBIL PRODUCING TX. & N.M. INC.

1.3 mi

Catahoula 2,170'Frio 2,430'Vicksburg 2,980'Yegua 5,740'Wilcox 5,975'Wilcox 6,178'Wilcox 6,920'Wilcox 8,055'Eagle Ford —Edwards —

✓ 42-285-34199 EAST HALLETTSVILLE · CAPITAL STAR OIL & GAS, INC.

1.3 mi

Catahoula 2,170'Frio 2,430'Vicksburg 2,980'Yegua 5,740'Wilcox 5,975'Edwards —Eagle Ford —

✓ 42-285-32252 HATHAWAY UNIT · SULPHUR RIVER EXPLORATION, INC.

1.4 mi

Yegua 2,920'Wilcox 5,625'Wilcox 9,100'Wilcox 10,000'Midway 10,000'Taylor 12,350'Austin Chalk 12,870'Austin Chalk 13,100'Eagle Ford 13,150'Eagle Ford 13,150'Edwards 13,170'Edwards 13,170' +5 more

✓ 42-285-31312 NEUHAUS UNIT · SULPHUR RIVER EXPLORATION, INC.

1.7 mi

Yegua 1,500'Wilcox 5,838'Wilcox 6,500'Wilcox 7,234'

✓ 42-285-31487 WYNNE GAS UNIT · SULPHUR RIVER EXPLORATION, INC.

1.8 mi

Yegua 1,500'Wilcox 5,500'Eagle Ford —Catahoula —Frio —Vicksburg —Edwards —

✓ 42-285-31427 CLAY CLARK · SULPHUR RIVER EXPLORATION, INC.

2.1 mi

Yegua 1,500'Wilcox 5,500'Eagle Ford 10,100'Edwards 13,610'

✓ 42-285-34291 GARY CLARK · TRIO CONSULTING & MANAGEMENT,LLC

2.1 mi

Yegua 3,880'Frio 3,880'Wilcox 5,930'Wilcox 7,710'Wilcox 9,874'Eagle Ford —Catahoula —Vicksburg —Edwards —

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 (3)

Interval	Type
10,258–10,262 ft	Perforated
10,292–10,296 ft	Perforated
13,388–13,448 ft	Perforated

Casing (5)

Size	Set Depth	Cement
13.625"	1,469 ft	1,160 sx
13.375"	1,469 ft	1,060 sx
9.625"	9,321 ft	1,090 sx
5.5"	13,697 ft	1,860 sx
5.5"	13,997 ft	1,860 sx

Permit History (2)

#854634 Recompletion Final Completion

KUBENA OIL UNIT · 13,585 ft

2019-07-03

Spud 2019-05-28

#406354 Drill Final Completion

KUBENA GAS UNIT · 14,000 ft

1992-11-23

Spud 1992-12-10

Applications (2)

#854634 A SULPHUR RIVER EXPLORATION, INC.

received 2019-06-27

#406354 A BASS ENTERPRISES PRODUCTION CO.

received 1992-11-19

Records & Logs

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

W-2/G-1 2019-12-20

W-2/G-1 1993-11-29

W-2/G-1 1993-05-03 log on file

W-2/G-1 1993-05-27

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.

Google Maps → Explorer Map →

Lat 29.435493

Lon -96.944255

Well Details

Well Number: 3
Max Depth: 14,000 ft
Drill Type: Directional
County: LAVACA
District: 2
Operator: SULPHUR RIVER EXPLORATION INC.
Completed: 1993-04-23

Operator

Name: SULPHUR RIVER EXPL, INC
Location: DALLAS
P-5 Status: Active (filed 2025-10-22)
Cum Oil (all leases): 5,377,869 bbl
Cum Gas (all leases): 195,046,091 mcf
Activities: CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
Total Permits: 107