42-371-33064

Final Completion

MCCOMB M. GAS UNIT

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

Permits

Max Depth

26,500 ft

First Permit

1980-04-30

Latest Activity

2014-04-26

Lifespan

34 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1981-11-24

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. 2012-2012→ BC OPERATING, INC. 2014-2016→ GARY PERMIAN, LLC 2018-2019→ SVEN PERMIAN, LLC 2024-2025→ 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 (18) Elevation 3,000 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
RUSTLER	1,380 ft	+1,620 ft
RUSTLER	1,381 ft	+1,619 ft
YATES	2,368 ft	+632 ft
YATES	2,410 ft	+590 ft
SEVEN RIVERS	2,765 ft	+235 ft
QUEEN	3,372 ft	-372 ft
CAPITAN	3,610 ft	-610 ft
CHERRY CANYON	4,299 ft	-1,299 ft
BRUSHY CANYON	4,975 ft	-1,975 ft
BONE SPRING	6,106 ft	-3,106 ft
WOLFCAMP	8,370 ft	-5,370 ft
PENNSYLVANIAN LIME (Pennsylvanian)	16,300 ft	-13,300 ft
MORROW SHALE (Morrow)	18,640 ft	-15,640 ft
MISSISSIPPIAN LIME (Mississippian)	19,550 ft	-16,550 ft
WOODFORD	20,260 ft	-17,260 ft
DEVONIAN	20,512 ft	-17,512 ft
MONTOYA	20,863 ft	-17,863 ft
ELLENBURGER	23,612 ft	-20,612 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
7,026–7,856 ft	Perforated
23,622–24,712 ft	Perforated

Casing (7)

Size	Set Depth	Cement
13.375"	2,268 ft	230 sx
13.375"	2,268 ft	2,080 sx
7"	9,937 ft	910 sx
10.75"	11,185 ft	1,175 sx
10.75"	11,185 ft	2,775 sx
3.5"	15,503 ft	—
2.875"	25,209 ft	—

Permit History (2)

#782308 Recompletion Final Completion

MARY MCCOMB GAS UNIT · 25,515 ft

2014-04-26

Spud 2014-03-21

#79755 Drill Final Completion

MCCOMB, M. GAS UNIT · 26,500 ft

1980-04-30

Spud 1980-05-28

Applications (2)

#782308 A BC OPERATING, INC.

received 2014-03-17

#79755 A EXXON CORP.

received 1980-04-30

Records & Logs

3 completion filings on record.

W-2/G-1 2016-02-05

W-2/G-1 2015-05-21

W-2/G-1 1982-05-17

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: 26,500 ft
Drill Type: Vertical
County: PECOS
District: 8
Operator: BC OPERATING INC.
Completed: 1981-11-24

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