42-215-31392

M.L. OLIVAREZ ET AL GAS UNIT

HIDALGO County · District 4 · ARCO OIL & GAS CO.

Permits

Max Depth

12,200 ft

First Permit

1983-10-19

Latest Activity

1985-06-11

Lifespan

2 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

ARCO OIL & GAS CO. 1993-1994→ VASTAR RESOURCES, INC. 1994-1999→ SMITH PRODUCTION INC. 1999-2005→ FIDELITY EXPLOR. & PROD. CO. 2005-2014→ HILCORP ENERGY COMPANY 2014-2015

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 (13) Elevation 177 ft (KB)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
HEARD	6,300 ft	-6,123 ft
O	6,980 ft	-6,803 ft
P	7,050 ft	-6,873 ft
HEARD 6300R	7,130 ft	-6,953 ft
R	7,230 ft	-7,053 ft
O 6980T	7,840 ft	-7,663 ft
T	7,840 ft	-7,663 ft
P 7050U	8,090 ft	-7,913 ft
U	8,090 ft	-7,913 ft
X	8,550 ft	-8,373 ft
VICKSBURG 10,000 (Vicksburg)	9,330 ft	-9,153 ft
VICKSBURG 10,100 (Vicksburg)	10,440 ft	-10,263 ft
VICKSBURG10,100	10,440 ft	-10,263 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 (5)

Interval	Type
10,492–10,863 ft	Perforated
10,949–11,192 ft	Perforated
10,980–11,000 ft	Perforated
11,010–11,042 ft	Perforated
11,050–11,082 ft	Perforated

Casing (4)

Size	Set Depth	Cement
13.375"	1,990 ft	1,305 sx
9.625"	8,551 ft	1,400 sx
4.5"	11,483 ft	225 sx
7"	11,600 ft	1,025 sx

Permit History (2)

#277431 Drill F

M.L. OLIVAREZ ET AL GAS UNIT · 12,200 ft

1985-06-11

#217781 Drill Final Completion

M.L. OLIVAREZ EL AL GAS UNIT · 12,200 ft

1983-10-19

Spud 1983-10-27

Applications (3)

#217781 A ARCO OIL & GAS CO.

received 1985-06-10

#277431 A ARCO OIL & GAS CO.

received 1985-06-07

#217781 A ARCO OIL & GAS CO.

received 1983-10-11

Records & Logs

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

W-2/G-1 1996-11-18

W-2/G-1 1985-10-01 log on file

W-2/G-1 1985-12-17

W-2/G-1 1984-03-08

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 HIDALGO County.

Well Details

Well Number: 2
Max Depth: 12,200 ft
Drill Type: Vertical
County: HIDALGO
District: 4
Operator: ARCO OIL & GAS CO.

Operator

Name: ARCO OIL & GAS CO.-SILSBEE
Location: PLANO
P-5 Status: Inactive (filed 2004-11-23)
Cum Oil (all leases): 16,679,531 bbl
Cum Gas (all leases): 57,198,899 mcf
Total Permits: 3,065