42-003-30478

Final Completion

OLSEN BROWN 2

ANDREWS County · District 8 · MONTARE OPERATING LTD. · FUHRMAN-MASCHO

Permits

Max Depth

11,725 ft

First Permit

1980-11-21

Latest Activity

2009-04-01

Lifespan

28 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1974-05-23

Shut-In

—

Plugged

2018-02-10

EWA / Permit operator mismatch

Scheduling: MONTARE OPERATING LTD. ≠ Permit: OK ARENA OPERATING COMPANY

Resolved via: production → MONTARE OPERATING, LTD.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

ANDREWS County disposal market →

H-1 Injection Plugged 2018-03-26 UIC #000101274 permitted 2009-11-23

Permitted Volume

10,000 bbl/d

Max Pressure

2,430 psi

Injection Interval

4,860–5,268 ft

Injected (12mo)

—

Monthly injected volume (bbl, from H-10 filings through 2018-03-01)

Operator History

Chain of Custody

PARKER & PARSLEY DEVELOPMENT CO. 1993-1995→ EARNEST PRODUCING CORPORATION 1995-1996→ FRIEMEL, PAUL D. & ASSOC., INC. 1997-2004→ OK ARENA OPERATING COMPANY 2004-2010→ SANDRIDGE EXPL. AND PROD., LLC 2010-2016→ MONTARE OPERATING, LTD. 2022-2026

Lease Production

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

Formation Tops (6) Elevation 3,253 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
YATES	2,338 ft	+915 ft
SAN ANDRES	4,410 ft	-1,157 ft
DEVONIAN	9,514 ft	-6,261 ft
FUSSELMAN	10,492 ft	-7,239 ft
CONNELL	11,576 ft	-8,323 ft
ELLENBURGER	11,610 ft	-8,357 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 (6)

Interval	Type
4,354–4,579 ft	Perforated
4,860–5,268 ft	Perforated
4,881–5,268 ft	Open hole
11,576–? ft	Perforated
11,617–11,624 ft	Perforated
11,650–11,688 ft	Perforated

Casing (4)

Size	Set Depth	Cement
13.375"	390 ft	375 sx
9.625"	4,685 ft	825 sx
2.375"	11,522 ft	—
4.5"	11,725 ft	500 sx

Permit History (2)

#679959 Recompletion Final Completion

OLSEN BROWN 2 · 11,725 ft

2009-04-01

Spud 2006-10-30

#100081 Recompletion Final Completion

BROWN, OLSON · 11,668 ft

1980-11-21

Applications (2)

#679959 A OK ARENA OPERATING COMPANY

received 2009-03-31

#100081 A DORCHESTER EXPLORATION, INC.

received 1980-11-21

Records & Logs

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

W-2/G-1 2014-06-25

W-2/G-1 2010-02-25 log on file

W-2/G-1 2009-06-01 log on file

W-2/G-1 1985-08-20

W-2/G-1 1980-12-30

+1 more filings

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 ANDREWS County.

Well Details

Well Number: 1
Max Depth: 11,725 ft
Drill Type: Vertical
County: ANDREWS
District: 8
Operator: MONTARE OPERATING LTD.
Completed: 1974-05-23

Operator

Name: MONTARE OPER, LTD
Location: FLOWER MOUN
P-5 Status: X (filed 2026-04-17)
Cum Oil (all leases): 3,801,494 bbl
Cum Gas (all leases): 5,957,102 mcf
Activities: CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits: 19