← Wells

42-481-34088

PRODUCING

WHORTON

WHARTON County · District 3 · MOUNTAIN V TEXAS LLC · CIERVO GRANDE (MIDDLE WILCOX)

Permits

1

Max Depth

20,000 ft

First Permit

1998-10-23

Latest Activity

1998-10-23

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1999-03-25

Shut-In

—

Plugged

—

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: MOUNTAIN V TEXAS LLC ≠ Permit: COASTAL OIL & GAS CORPORATION

Resolved via: production → MOUNTAIN V TEXAS, LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1999-03

Last Production

2026-07

Operator History

Chain of Custody

COASTAL OIL & GAS CORPORATION 1999-2001→ EL PASO PRODUCTION OIL & GAS CO. 2001-2002→ DOMINION EXPL. & PROD., INC. 2002-2007→ XTO ENERGY INC. 2007-2007→ DEVON ENERGY PRODUCTION CO, L.P. 2007-2014→ LINN OPERATING, INC. 2014-2017→ LINN OPERATING, LLC 2017-2017→ SYDRI OPERATING, LLC 2017-2018→ TMR EXPLORATION, INC. 2018-2025→ MOUNTAIN V TEXAS, LLC 2025-2026

Lease Production

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

Gas
production & DCA →

Formation Tops (6) Elevation 101 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
B FRIO5,920 ft-5,819 ft
T YEGUA7,500 ft-7,399 ft
T COOK MOUNTAIN9,188 ft-9,087 ft
T WEECHES11,187 ft-11,086 ft
T QUEEN CITY12,514 ft-12,413 ft
T MIDDLE WILCOX15,368 ft-15,267 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)

IntervalType
16,736–16,776 ftPerforated
17,943–18,000 ftPerforated

Casing (4)

SizeSet DepthCement
20"2,198 ft3,051 sx
13.625"6,700 ft2,018 sx
9.625"14,000 ft1,455 sx
5"16,934 ft273 sx

Permit History (1)

#480398 Drill Y

WHORTON · 20,000 ft

1998-10-23

Spud 1998-11-01

Applications (1)

#480398 A COASTAL OIL & GAS CORPORATION
received 1998-10-23

Records & Logs

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

W-2/G-1 1999-05-12 log on file
W-2/G-1 1999-08-27
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.

No GPS coordinates yet

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

Well Details

Well Number
1
Max Depth
20,000 ft
Drill Type
Vertical
County
WHARTON
District
3
Operator
MOUNTAIN V TEXAS LLC
Completed
1999-03-25

Operator

Location
BUCKHANNON
P-5 Status
Active (filed 2025-09-11)
Cum Oil (all leases)
13,510 bbl
Cum Gas (all leases)
838,334 mcf
Activities
OPRS/G, OPRS/O