42-003-36950

Final Completion

UNIVERSITY 1801

ANDREWS County · District 8 · MONTARE OPERATING LTD. · SHAFTER LAKE N. (SAN ANDRES)

Permits

Max Depth

4,852 ft

First Permit

1991-06-20

Latest Activity

2011-05-16

Lifespan

20 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1991-08-02

Shut-In

—

Plugged

—

EWA / Permit operator mismatch

Scheduling: MONTARE OPERATING LTD. ≠ Permit: SANDRIDGE EXPL. AND PROD., LLC

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 Active UIC #000126974 permitted 2025-01-28

Permitted Volume

500 mcf/d

Max Pressure

—

Injection Interval

4,532–4,700 ft

Injected (12mo)

—

Operator History

Chain of Custody

MATADOR DRILLING CORP. 1993-1995→ MDC OPERATING, INC. 1995-2000→ BYRD OPERATING COMPANY 2001-2010→ OK ARENA OPERATING COMPANY 2010-2010→ SANDRIDGE EXPL. AND PROD., LLC 2010-2018→ AVALON TX OPERATING, LLC 2018-2021→ MONTARE OPERATING, LTD. 2021-2026

Lease Production

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

Formation Tops (4) Elevation 3,200 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
YATES	2,850 ft	+350 ft
SEVEN RIVERS	3,070 ft	+130 ft
SEVEN-RIVERS (Seven Rivers)	3,070 ft	+130 ft
GRAYBURG-SAN ANDRES (Grayburg)	4,505 ft	-1,305 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 (1)

Interval	Type
4,568–4,588 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	1,678 ft	820 sx
5.5"	4,852 ft	950 sx

Permit History (2)

#716225 Field Transfer Final Completion

UNIVERSITY · 4,852 ft

2011-05-16

Spud 1991-07-17

#389066 Drill Final Completion

UNIVERSITY · 4,852 ft

1991-06-20

Spud 1991-07-17

Applications (2)

#716225 A SANDRIDGE EXPL. AND PROD., LLC

received 2011-05-12

#389066 A MATADOR DRILLING CORP.

received 1991-06-18

Records & Logs

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

W-2/G-1 2014-01-03

W-2/G-1 2011-07-19

W-2/G-1 1991-08-12 log on file

W-2/G-1 1991-08-23

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: 1802
Max Depth: 4,852 ft
Drill Type: Vertical
County: ANDREWS
District: 8
Operator: MONTARE OPERATING LTD.
Completed: 1991-08-02

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: 18