42-371-35104

Final Completion

SUTRO GAS UNIT

PECOS County · District 8 · BC OPERATING INC. · MC COMB (ELLENBURGER)

Permits

Max Depth

25,500 ft

First Permit

1984-09-11

Latest Activity

2014-09-22

Lifespan

30 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1985-08-29

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: BC OPERATING INC. ≠ Production: WILLOWICK PRODUCTION LLC (reported 2026-04)

Resolved via: production → WILLOWICK PRODUCTION LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

EXXON CORP. 1993-2000→ EXXON MOBIL CORPORATION 2000-2011→ XTO ENERGY INC. 2012-2013→ BC OPERATING, INC. 2014-2017→ GARY PERMIAN, LLC 2017-2018→ SVEN PERMIAN, LLC 2022-2025→ WILLOWICK PRODUCTION LLC 2025-2026

Lease Production

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

Formation Tops (21) Elevation 2,979 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
RUSTLER	1,300 ft	+1,679 ft
SILADO	1,518 ft	+1,461 ft
TANSILL	2,140 ft	+839 ft
YATES	2,255 ft	+724 ft
SEVEN RIVERS	2,512 ft	+467 ft
QUEEN	3,214 ft	-235 ft
BELL CANYON	4,254 ft	-1,275 ft
CHERRY CANYON	4,594 ft	-1,615 ft
CHERRY CANYON MARKER (Cherry Canyon)	4,701 ft	-1,722 ft
BONE SPRINGS (Bone Spring)	6,010 ft	-3,031 ft
DEAN	7,950 ft	-4,971 ft
WOLFCAMP	8,237 ft	-5,258 ft
PENN. DETRITAL (Pennsylvanian)	14,678 ft	-11,699 ft
PENN. LIMESTONE (Pennsylvanian)	17,406 ft	-14,427 ft
MORROW	19,319 ft	-16,340 ft
CHESTER	19,802 ft	-16,823 ft
MISS LIME (Mississippian)	20,107 ft	-17,128 ft
DEVONIAN	21,092 ft	-18,113 ft
MONTOYA	21,456 ft	-18,477 ft
SIMPSON	21,840 ft	-18,861 ft
ELLENBURGER	23,965 ft	-20,986 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
7,397–8,737 ft	Perforated
23,980–24,907 ft	Perforated

Casing (5)

Size	Set Depth	Cement
20"	1,554 ft	2,675 sx
13.375"	3,750 ft	4,300 sx
10.75"	12,500 ft	3,925 sx
7"	17,056 ft	1,400 sx
7"	17,056 ft	1,400 sx

Permit History (2)

#795471 Recompletion Final Completion

SUTRO GAS UNIT · 25,025 ft

2014-09-22

Spud 2014-10-16

#250943 Drill Final Completion

SUTRO GAS UNIT · 25,500 ft

1984-09-11

Spud 1984-10-10

Applications (2)

#795471 A BC OPERATING, INC.

received 2014-09-03

#250943 A EXXON CORP.

received 1984-08-13

Records & Logs

3 completion filings on record.

W-2/G-1 2015-01-26

W-2/G-1 1985-10-18

W-2/G-1 1985-11-22

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.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in PECOS County.

Well Details

Well Number: 1
Max Depth: 25,500 ft
Drill Type: Vertical
County: PECOS
District: 8
Operator: BC OPERATING INC.
Completed: 1985-08-29

Operator

Name: BC OPER, INC
Location: MIDLAND
P-5 Status: Active (filed 2026-03-11)
Cum Oil (all leases): 8,379,695 bbl
Cum Gas (all leases): 5,385,194 mcf
Activities: OPRS/G
Total Permits: 368